Akureyri Weather in September

September in Akureyri brings low temperatures around 9°C (48°F) during the day, dropping to 3°C (37°F) at night, with quite a bit of rainfall expected, averaging around 123 mm (4.8 in) for the month.

Rainfall in Akureyri in September

Typically, you can expect about 15 days of rain this month, with 123 mm (4.8 in) on average. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Akureyri in September

In September, expect low temperatures in Akureyri, with highs of 9°C (48°F) and lows of 3°C (37°F) at night. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. At 3°C (37°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Akureyri in September

The area experiences limited sunny days, amounting to roughly 85 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.

Wind Speed in Akureyri in September

September has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

Average water temperature in September

With water temperatures around 8°C (46°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Akureyri.

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• January
• February
• March
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• May
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For a detailed overview over the year and the best time to visit Iceland, check out our Akureyri's climate page.

Akureyri Temperature in September

Min Temperature 3°C (37°F)  

Max Temperature 9°C (48°F)  

Water Temperature 8°C (46°F)  

Chance of Rain 51%  

Precipitation 123 mm (4.8 in)  

Rainy days 15 days  

Humidity 77%  

Windspeed 3 m/s (6 knots)  

Sunshine 85 hours  

Percentage Sunshine 20%  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Akureyri typically drop from around 12°C (54°F) at the start of September to approximately 8°C (46°F) by the end. Nights are cold, with lows typically ranging from 2°C (36°F) to 7°C (45°F).

Average temperatures in September

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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Historical weather for Akureyri in September

Browse day-by-day weather records for Akureyri spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Akureyri historical weather extremes in September

Our historical data for Akureyri spans 1976 to 2025, revealing these weather extremes.

• On September 4, 2010, temperatures climbed to 23°C (73°F), marking the warmest September day on record.
• The coldest September day was on September 20, 1990, with a maximum of 1°C (34°F).
• Akureyri registered its coldest September night on September 26, 2003, with temperatures dropping to -6°C (21°F).

What to Wear in Akureyri in September

Dress warmly and in layers for your trip to Akureyri in September. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. The water temperature sits at about 8°C (46°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Akureyri in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

3/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Iceland, check out our Akureyri's climate page.

More climate data for Akureyri

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Akureyri climate overview or explore weather in Iceland.