Asker
September
Weather in Asker for September 2025
Your guide to Asker weather in September - trends and predictions
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Until now, September 2025 in Asker is slightly cooler than the historical average by -1.2 °C.
The forecast for the next days in Asker predicts a temperature of 11.3 °C, which is cooler than the historical average.
In general, the average temperature in Asker at the beginning of September is 20 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12 °C by the end of September.
The climate of Asker in September is notably wet, with an average of 14 rainy days, and a total of 95.4 mm of precipitation.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
16
Dry days
14
Rainy days
0
Snow days
17°/7°
Temperatures
12 km/h
Avg max wind
82 %
Avg humidity
Asker Weather September
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Temperatures trend during September in Asker
See the weather trend as well as the moving average line
September weather in Asker day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Cloudy | 20° /10° | 3 mm | 5 | |
| 2 Sept. |  Partly cloudy | 18° /8° | 2.9 mm | 4 | |
| 3 Sept. |  Overcast | 17° /8° | 2.4 mm | 4 | |
| 4 Sept. |  Light rain shower | 21° /10° | 5.2 mm | 5 | |
| 5 Sept. |  Sunny | 21° /10° | 1 mm | 5 | |
| 6 Sept. | Overcast | 21° /10° | 0.2 mm | 5 | |
| 7 Sept. |  Mist | 22° /9° | 0.2 mm | 5 | |
| 8 Sept. | Patchy rain possible | 22° /9° | 0 mm | 5 | |
| 9 Sept. | Light rain shower | 20° /10° | 6.8 mm | 5 | |
| 10 Sept. | Light rain shower | 19° /9° | 4.3 mm | 4 | |
| 11 Sept. | Light rain shower | 18° /8° | 5 mm | 4 | |
| 12 Sept. | Mist | 16° /6° | 4.5 mm | 4 | |
| 13 Sept. | Partly cloudy | 16° /4° | 1.4 mm | 4 | |
| 14 Sept. |  Moderate rain | 13° /9° | 14.3 mm | 0.2 | |
| 15 Sept. | Moderate rain | 13° /10° | 8.3 mm | 0.3 | |
| 16 Sept. | Moderate rain | 14° /7° | 16.3 mm | 0.1 | |
| 17 Sept. | Sunny | 18° /7° | 0 mm | 0.6 | |
| 18 Sept. | Patchy rain possible | 13° /7° | 1.9 mm | 0.3 | |
| 19 Sept. | Patchy rain possible | 12° /5° | 1.5 mm | 2 | |
| 20 Sept. | Partly cloudy | 12° /0° | 0 mm | 3 | |
| 21 Sept. | Patchy rain possible | 7° /6° | 2.2 mm | 2 | |
| 22 Sept. | Mist | 7° /5° | 0.1 mm | 2 | |
| 23 Sept. | Patchy rain possible | 6° /5° | 4.9 mm | 2 | |
| 24 Sept. | Partly cloudy | 10° /2° | 0.1 mm | 3 | |
| 25 Sept. | Overcast | 8° /2° | 0 mm | 2 | |
| 26 Sept. | Patchy rain possible | 12° /6° | 0.1 mm | 2 | |
| 27 Sept. | Partly cloudy | 13° /2° | 0 mm | 3 | |
| 28 Sept. | Light rain shower | 13° /4° | 0.7 mm | 4 | |
| 29 Sept. | Patchy rain possible | 14° /3° | 0.1 mm | 4 | |
| 30 Sept. | Patchy rain possible | 14° /2° | 0.2 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Asker in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Asker forecast closer to your planned date for the most up-to-date weather information.
Change Month
Asker in September - FAQ
What are the expected maximum and minimum temperatures in Asker during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Asker during September?
Moderate rainfall is anticipated in Asker during September, with a total of 95.4 mm spread over approximately 14 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Asker during September?
The average wind speed in Asker during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Asker
Explore the daily rainfall trends and prepare for Askers September weather 💧
UV exposure in Asker during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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