Iceland
Akureyri in September: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Akureyri in September is climatically mixed. The average daily high is around 5 °C, and the sea is about 8 °C. With about 20 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
13/100 · #6
Warmth
#4
Dryness
#7
Sun
#6
Sea warmth
#3
Published best categories: none
Akureyri · SeptemberPhoto: Bybbisch94, Christian Gebhardt · CC BY-SA 4.0Climate facts
- Average high
- 5 °C
- Average low
- 0 °C
- Sea
- 8 °C
- Rainy days (est.)
- 20 rainy days (est.)
- Sun (est.)
- 3 h/day
- Humidity
- 92 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| August | 9 | 3 | 19 | 100 | 4.5 | 89 | 2.3 | 9 | 19 |
| September (selected) | 5 | 0 | 20 | 123 | 2.6 | 92 | 3.0 | 8 | 13 |
| October | -0 | -5 | 22 | 143 | 1.1 | 96 | 3.1 | 6 | 9 |
How do the previous and next months compare?
Baseline: September (13/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| August | +6 | +3.7 °C | +3 °C | -0.5 | -23.7 mm | +1.9 h | -3.4 % | -0.7 m/s | +1.1 °C |
| October | -4 | -5 °C | -4.5 °C | +2.6 | +19.5 mm | -1.5 h | +3.4 % | +0.1 m/s | -1.7 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Akureyri in September?
The average daily high is around 5 °C, with an average daily low of about 0 °C.
Can you swim in Akureyri in September?
The sea is about 8 °C (cold).
Does it rain a lot in Akureyri in September?
The curated estimate is about 20 rainy days per month, not a directly measured long-term average. Total precipitation averages around 123 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Akureyri?
No month in Akureyri reaches the threshold for a clear recommendation in the climate score; the month comparison above shows the differences.