Weather overview

In September, Reykjavik's weather begins to shift from summer to autumn, offering a fascinating blend of conditions. Daytime temperatures typically range from 8°C to 12°C, while at night it can dip to between 3°C and 6°C. There's a chance you'll encounter some rain, as the city sees about 85 mm of rainfall on average during this month, so packing a sturdy umbrella or raincoat is wise. Humidity levels tend to be moderate, adding to the fresh feel in the air. Wind speeds are generally calm, though occasional gusts are not uncommon, making a windbreaker a good addition to your pack list.

Activities and seasonal highlights

September in Reykjavik is ideal for exploring the outdoors, especially if you enjoy hiking or leisurely strolls through the city’s picturesque parks. Nature lovers can explore the scenic trails surrounding the capital, or perhaps visit some of Iceland’s stunning waterfalls. For those inclined to cultural pursuits, Reykjavik’s museums and galleries offer fascinating insights into Icelandic history and art.

This month is also host to a popular event - the Reykjavik International Film Festival, typically held towards the latter part of September. This festival brings a vibrant buzz to the city, showcasing international cinema and offering a platform for creatives to meet and share ideas.

What to pack

September’s versatile weather in Reykjavik means you should pack a variety of clothing to stay comfortable. Layers are your best friend, think cosy sweaters, long-sleeved tops, and a warm jacket. A waterproof jacket or raincoat would also serve you well, given the likelihood of rain. A pair of comfortable, waterproof walking shoes will be useful for exploring both the city and the surrounding countryside. Don’t forget accessories like a warm hat, gloves and a scarf, especially if you plan on venturing out in the evenings as it can get quite chilly.

FAQs

Is Reykjavik, Iceland crowded during September?

September marks the start of the shoulder season in Reykjavik, so while you'll encounter other visitors, it's generally less crowded than the peak summer months. This means you can enjoy the attractions at a more leisurely pace.

Can I swim or enjoy outdoor activities?

While it might be a bit chilly for swimming, outdoor activities like hiking and city exploration are certainly pleasurable thanks to the mild weather. If you're keen on swimming, consider Reykjavik's many geothermal pools, which are lovely and warm even in cooler weather.

What’s the best way to get around Reykjavik, Iceland in September?

The city is quite walkable, but if you prefer, public transport is a convenient option. Buses are reliable and cover most areas you’re likely to visit. Renting a bike is another great way to explore at your own pace, and for further excursions, joining a tour can be an exciting option.