Asker
September
Weather in Asker for September 2026
Your guide to Asker weather in September - trends and predictions
Until now, September 2026 in Asker is cooler than usual, with temperatures averaging 15.5 °C, this is 3.5 °C below the typical seasonal average.
The forecast for the next days in Asker predicts a temperature of 14 °C, which is cooler than the historical average.
In general, the average temperature in Asker at the beginning of September is 19.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.1 °C by the end of September.
Asker experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 101.1 mm.
Temperatures
Rain 🌧️
20
Dry days
10
Rainy days
0
Snow days
17°/7°
Temperatures
11 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° /9° | 2.4 mm | 4 | |
| 2 Sept. |  Partly cloudy | 18° /8° | 2.2 mm | 4 | |
| 3 Sept. |  Overcast | 17° /7° | 1.8 mm | 4 | |
| 4 Sept. |  Light rain shower | 18° /9° | 4.2 mm | 4 | |
| 5 Sept. |  Mist | 20° /9° | 0.7 mm | 4 | |
| 6 Sept. | Overcast | 20° /9° | 0.2 mm | 4 | |
| 7 Sept. | Patchy rain possible | 21° /9° | 1.3 mm | 4 | |
| 8 Sept. | Patchy rain possible | 21° /9° | 0.3 mm | 4 | |
| 9 Sept. | Light rain shower | 19° /10° | 5.3 mm | 4 | |
| 10 Sept. | Light rain shower | 18° /8° | 3.2 mm | 4 | |
| 11 Sept. | Light rain shower | 17° /7° | 4.7 mm | 3 | |
| 12 Sept. | Mist | 15° /7° | 3.7 mm | 3 | |
| 13 Sept. |  Sunny | 18° /7° | 0 mm | 2.4 | |
| 14 Sept. | Patchy rain possible | 13° /8° | 0.2 mm | 0.9 | |
| 15 Sept. | Fog | 14° /9° | 10.9 mm | 0.3 | |
| 16 Sept. | Patchy rain possible | 16° /7° | 0.8 mm | 2.1 | |
| 17 Sept. | Overcast | 15° /6° | 0.3 mm | 4 | |
| 18 Sept. | Overcast | 16° /6° | 0 mm | 5 | |
| 19 Sept. | Light rain shower | 12° /5° | 8.1 mm | 3 | |
| 20 Sept. | Sunny | 15° /6° | 0 mm | 4 | |
| 21 Sept. | Light rain shower | 13° /5° | 10.2 mm | 3 | |
| 22 Sept. | Sunny | 13° /6° | 0 mm | 4 | |
| 23 Sept. | Patchy rain possible | 13° /6° | 12.8 mm | 3 | |
| 24 Sept. | Sunny | 13° /7° | 0 mm | 4 | |
| 25 Sept. | Patchy rain possible | 13° /6° | 0.6 mm | 4 | |
| 26 Sept. | Overcast | 12° /4° | 0 mm | 3 | |
| 27 Sept. | Light rain shower | 14° /5° | 4 mm | 4 | |
| 28 Sept. | Light rain shower | 14° /4° | 0.5 mm | 4 | |
| 29 Sept. | Patchy rain possible | 13° /4° | 0.4 mm | 4 | |
| 30 Sept. | Patchy rain possible | 13° /4° | 0.2 mm | 3 | |
| 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?
Significant rainfall exceeding 101.1 mm is expected in Asker during September, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Asker during September?
The average wind speed in Asker during September is 11 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 💧
Typically, Asker has 10 rainy days in September with a total of 101.1 mm of rainfall.
UV exposure in Asker during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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