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Hourly Forecast
Daylight Hours
07:29
Sunrise
18:59
Sunset
Moon
Waxing Gibbous
18:45
Moonrise
05:23
Moonset
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View stargazing scoreWeather in Selfoss today, September 25, 2026
Selfoss looks damp on September 25, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Wetter spells lean into the morning, when rain odds reach about 24% near 07:00. Skies look heaviest around 07:00, with cover close to 100%.
Temperatures climb from an overnight low near 7°C toward a daytime high of about 11°C. Moisture in the air spans 84%-95%, with the highest values around 07:00. Airflow remains manageable, reaching about 2.9 km/h around 12:00.
Through the afternoon wet weather remains a factor, with rain chances near 44% around 16:00. Cloud also stays substantial, close to 100% near 16:00. Horizontal visibility sits around 17.2 km, briefly nearer 0.9 km. Expect sunrise at 07:29, sunset at 18:59, and 11 hours 30 minutes of sunlight today overall.
Taken together, Selfoss looks wet enough on September 25, 2026 that flexible outdoor plans work best, with temperatures peaking near 11°C.
Frequently asked questions about weather in Selfoss
How warm does it get in Selfoss?
The warmest month in Selfoss is July, with average high temperatures of 14°C. The average temperature during this period is around 12°C.
How cold does it get in Selfoss?
The coldest month in Selfoss 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 Selfoss?
The wettest month in Selfoss is September, with an average of 164mm of precipitation.
What is the driest time of year in Selfoss?
The driest month in Selfoss is July, with an average of 84mm of precipitation.
