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Hourly Forecast
Daylight Hours
07:33
Sunrise
19:03
Sunset
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Waxing Gibbous
18:49
Moonrise
05:26
Moonset
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View stargazing scoreWeather in Reykjavík today, September 25, 2026
Rain features in Reykjavík on September 25, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Early hours look the most unsettled, with rain probability near 22% by 04:00. The thickest cloud arrives around 03:00, reaching about 100%.
The day peaks near 10°C and cools toward 7°C. Moisture in the air spans 85%-95%, with the highest values around 08:00. Winds stay light, near 2.8 km/h by 23:00, so the day feels still more than breezy.
Expect the wet theme to continue later, as rain odds reach 28% near 16:00. Cloud amounts hold near 100% around 16:00. Visibility holds near 19.7 km, though it can fall to 7.2 km. Sunrise is at 07:33 and sunset at 19:03, giving 11 hours 30 minutes of sunlight today.
In short, treat September 25, 2026 in Reykjavík as a damp day: pack covers, watch the wetter hours, and expect a high near 10°C.
Frequently asked questions about weather in Reykjavík
How warm does it get in Reykjavík?
The warmest month in Reykjavík is July, with average high temperatures of 14°C. The average temperature during this period is around 11°C.
How cold does it get in Reykjavík?
The coldest month in Reykjavík is January, with average low temperatures of -3°C. The average temperature during this period is around -1°C.
What is the wettest time of year in Reykjavík?
The wettest month in Reykjavík is September, with an average of 131mm of precipitation.
What is the driest time of year in Reykjavík?
The driest month in Reykjavík is July, with an average of 74mm of precipitation.