Exploring Iceland in September 2025: Weather, Northern Lights & Best Things to Do!

Iceland's September Weather

Visiting Iceland in September presents a delightful mix of summer and autumn, with average temperatures ranging from a comfortable 6-11°C (42-59°F). This pleasant weather sets the stage for a myriad of outdoor activities, while the stunning fall foliage adds a burst of color to the already picturesque landscape.

Apart from the beautiful autumn colors, a September visit to Iceland comes with additional perks such as:

• Fewer crowds
• Lower prices compared to the peak summer season
• The magical Northern Lights begin to make their appearance, adding a touch of mystique to the night sky.

Although Iceland’s September weather tends to be mild, it can change suddenly. Keeping a close eye on the weather forecasts and being ready for unexpected shifts in temperature or precipitation is advisable. Nevertheless, the mesmerizing landscapes and natural wonders are well worth the occasional weather surprise!

Daylight Hours and Northern Lights

In September, Iceland boasts an average of 12.5 hours of daylight, perfect for exploring its incredible attractions. The daylight hours gradually decrease throughout the month, with 14 to 14.5 hours at the beginning of September and 12 to 12.5 hours towards the end. These longer nights offer ample opportunities to witness the captivating Northern Lights dancing across the sky.

September’s longer nights and lesser cloud cover create the perfect conditions for spotting the awe-inspiring Aurora Borealis, especially from mid-September to mid-April. To increase your chances of witnessing this natural wonder, follow these tips:

1. Head outside Reykjavik, preferably towards North Iceland, where the chances of seeing the Northern Lights are higher.
2. Find a spot away from light pollution and with clear, dark skies. This will provide the best visibility.
3. Cold weather can further enhance your chances of experiencing this breathtaking phenomenon.

So pack your warm clothes, venture out into the crisp September night, and get ready to be mesmerized by the enchanting dance of the Northern Lights. This unforgettable experience is bound to be one of the highlights of your Iceland trip!

Essential Clothing and Gear

Packing for a trip to Iceland in September requires considering the country’s fluctuating weather conditions. Here are some tips:

1. Layering is key, along with waterproof clothing, thermal wear, and sturdy shoes.
2. Begin with a long sleeve base layer, such as Icebreaker merino for those planning to explore South Iceland.
3. Add a sweater and fleece for insulation.
4. Followed by a lightweight down jacket for warmth.

Don’t forget to pack:

• Thermal leggings
• Waterproof jacket (and ideally trousers)
• Waterproof hiking shoes or boots
• Hat, gloves, and thick wool socks
• Swimsuit for a relaxing dip in Iceland’s warm swimming pools and hot springs

Having the right clothing and gear will equip you to tackle Iceland’s September weather, guaranteeing a cozy and fun-filled exploration of this striking country.

Top Attractions and Activities

September in Iceland is the perfect time to experience a diverse range of attractions and activities. Some options include:

• Exploring the famous Golden Circle
• Visiting the dramatic South Coast
• Venturing into the remote Westfjords
• Exploring the Snaefellsnes Peninsula

You’ll be spoiled for choice!

To maximize your trip, here are some unmissable top attractions and activities.

Glacier Tours and Snowmobiling

Iceland’s majestic glaciers offer thrilling opportunities for adventure seekers, with glacier tours and snowmobiling being popular activities in September.

Langjökull Glacier, in particular, is an ideal location for both of these exhilarating experiences. The pristine ice and stunning landscapes make for a truly unforgettable adventure.

Whale Watching and Wildlife

September is a fantastic time for whale watching in Iceland, especially in the charming town of Husavik, known as the “whale watching capital” of the country.

As you set sail on a whale watching tour, keep your eyes peeled for:

• Humpback whales
• Minke whales
• Blue whales
• Orcas (killer whales)
• Dolphins
• Porpoises
• Seals
• Puffins

These gentle giants of the sea and other marine life may make an appearance during your tour.

Apart from whales, Iceland is home to an array of wildlife that can be spotted in remote areas during September. Look out for seals basking on the shore, wild horses roaming the countryside, and the elusive Arctic fox. Don’t miss the annual sheep roundup, a lively and joyous tradition where Icelandic sheep roam free in the highlands before farmers gather them and bring them back to their farms.

Hot Springs and Swimming Pools

Iceland’s geothermal hot springs and swimming pools offer a delightful way to unwind and relax during your September visit. The Secret Lagoon and the famous Blue Lagoon are among the most popular choices for a rejuvenating soak in mineral-rich waters.

For a more off-the-beaten-path experience, explore other incredible hot springs such as:

• Reykjadalur Valley
• Landmannalaugar
• Seljavallalaug
• Grotta Lighthouse
• Strútslaug Geothermal River

These lesser-known gems provide a tranquil retreat amidst Iceland’s stunning landscapes, perfect for a soothing soak after a day of adventure.

Driving Tips and Road Conditions

If you’re planning a September visit to Iceland, renting a car allows you to explore at your leisure. Before embarking on your road trip, make sure to verify the weather and road conditions on sites such as Road.is. This will help you avoid any potential hazards or closures and ensure a safe journey.

Although a 2WD vehicle would be adequate for most September roads, consider a 4x4 rental if your itinerary includes remote areas or the highlands. The added comfort and security of a 4x4 vehicle simplifies navigating Iceland’s varied terrain.

Lastly, be prepared for high winds and flying stones while driving in Iceland during September. Sunglasses are a useful addition to your packing list, shielding your eyes from the sun’s glare as it reflects off the stunning landscapes.

Cultural Events and Festivals

Iceland in September is a cultural haven, with a variety of events and festivals showcasing the country’s rich artistic and musical heritage. The Reykjavik International Film Festival (RIFF) offers cinephiles an opportunity to explore international films, including unique categories such as “New Vision” for up-and-coming filmmakers and “Focus On” for a single nation’s cinematic history.

Music lovers can indulge in the Reykjavik Jazz Festival, Iceland’s longest-running festival, featuring an array of talented jazz and blues artists from around the world. For a more local experience, the annual Rettir sheep roundup is a lively and joyous tradition where farmers gather their sheep from the highlands and bring them back to their farms, celebrating with cheer and festivities.

Other cultural events in September include the Reykjavik International Literary Festival, showcasing talented international writers in engaging talks and events, and Ljosanott, a family and cultural festival in the charming town of Reykjanesbaer (Keflavik) on the picturesque Reykjanes peninsula.

Icelandic Cuisine and Local Delicacies

As you explore Iceland’s breathtaking landscapes and immerse yourself in its rich culture, be sure to indulge in the country’s delicious cuisine and local delicacies. September is the perfect time to enjoy fresh seafood, succulent lamb, and delightful treats like Skyr.

For a truly authentic Icelandic experience, engage in the popular activity of berry picking during September. Transform your freshly picked berries into scrumptious jams, cakes, or juices, adding a sweet touch to your culinary adventures.

As you traverse this enchanting land, don’t miss the opportunity to sample traditional Icelandic dishes and flavors. From cozy cafés to fine dining establishments, Iceland’s culinary scene offers an array of mouthwatering options to satisfy your taste buds and create lasting memories.

Accommodation and Budget Considerations

September is considered Iceland’s shoulder season, meaning:

• You can enjoy fewer crowds at major attractions
• You can find more budget-friendly accommodations
• You can find last-minute bookings and better deals on lodging during this time

To secure the best accommodations for your trip, consider booking sooner rather than later to ensure more options and great prices. Websites like Booking.com and Vrbo offer a wide range of hotels, cabins, and self-catering accommodations to suit your preferences and budget.

As you plan your September adventure, keep in mind that you may also find amazing deals on flights to Iceland during this off-peak season. With a little research and planning, you can enjoy an unforgettable Icelandic experience without breaking the bank!

Best Rental Car Type for September

For a September exploration of Iceland, particularly if you’re planning to visit remote areas or the highlands, a 4x4 vehicle rental is advisable. A 4x4 vehicle ensures a secure and comfortable journey through Iceland’s varied landscape.

While the roads in September are typically clear, it’s always a good idea to be prepared for any unexpected weather changes or road conditions. By choosing the right Iceland rental car for your adventure, you’ll ensure a safe and enjoyable journey as you discover the mesmerizing beauty of Iceland.

Itinerary Ideas and Planning Tips

When planning your Iceland trip for September, think about including a blend of well-known sights, hidden gems, and distinctive guided tours in your itinerary. Some options to consider are:

• The awe-inspiring Golden Circle
• The dramatic South Coast
• The remote Westfjords
• The Snaefellsnes Peninsula

There’s no shortage of breathtaking sights and unforgettable experiences when you visit Iceland.

To make the most of your September trip, be sure to:

• Research the best attractions and activities for September
• Plan your itinerary accordingly
• Keep an eye on the weather forecast to optimize your planning and ensure an unforgettable adventure in the land of fire and ice.

Travel Insurance and Safety Precautions

Securing travel insurance and taking safety precautions is imperative for a trip to Iceland in September. Ensuring coverage for potential weather-related issues and medical emergencies will provide peace of mind during your journey. Opt for travel insurance that covers:

• Medical expenses
• Trip cancellation
• Lost or stolen luggage
• Other unexpected costs

When it comes to safety, always be prepared for the unpredictable Icelandic weather and dress appropriately for your activities. Pay attention to your environment, stick to marked trails, and carry a map to avoid getting lost.

By taking the necessary precautions and securing travel insurance, you’ll be well-prepared for any surprises that may arise during your September adventure in Iceland.

Frequently Asked Questions