Reykjavik Weather in September
Iceland · 30-year monthly averages
🤔 Fair time to visit
September in Reykjavik is chilly, with average daytime highs around 11°C (53°F) and nighttime lows near 6°C (43°F). Expect roughly 87mm of precipitation spread over about 15 rainy days, with a moderate amount of rain.
Avg high
11°C
53°F
Avg low
6°C
43°F
Rainfall
87mm
moderate
Rainy days
15
days with ≥1mm
☀️ About 118 hours of sunshine over the month (~4h/day).
🎒 What to pack
- jacket or coat
- long-sleeve layers
September vs the rest of the year
FAQ
- How hot is Reykjavik in September?
- September in Reykjavik is chilly, with average daytime highs around 11°C (53°F) and nighttime lows near 6°C (43°F). Expect roughly 87mm of precipitation spread over about 15 rainy days, with a moderate amount of rain.
- Does it rain a lot in Reykjavik in September?
- Reykjavik sees around 87mm of precipitation in September on average — moderate by global standards.
- Is September a good time to visit Reykjavik?
- September is a workable month to visit Reykjavik, but expect some weather trade-offs.