Iceland Airwaves Festival
On its way to its 20th edition in 2019 Iceland Airwaves is a festival you need to visit once in your life. Everything from lagoons and bookstores to bars and concert halls is filled with music.
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.
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.
Pick a month to see the average temperature, rainfall and sunshine in Akureyri - and find the best time to visit.
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).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
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.
Our historical data for Akureyri spans 1976 to 2026, revealing these weather extremes.
Find out more about the weather in Iceland and which places have the best travel conditions in this month. See all of Iceland in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Akureyri climate overview or explore weather in Iceland.
Where to go in September - average daytime high across popular destinations.
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