Thun District (Thun)
September
Weather in Thun District for September 2025
Your guide to Thun District weather in September - trends and predictions
Until now, September 2025 in Thun District is cooler than usual, with temperatures averaging 16.8 °C, this is -2.1 °C below the typical seasonal average.
The forecast for the next days in Thun District predicts a temperature of 14.7 °C, which is cooler than the historical average.
In general, the average temperature in Thun District at the beginning of September is 20.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 11.3 °C by the end of September.
Thun District experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 122.7 mm.
Temperatures
Rain 🌧️
8
Dry days
22
Rainy days
0
Snow days
18°/7°
Temperatures
8 km/h
Avg max wind
77 %
Avg humidity
Thun District Weather September
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Temperatures trend during September in Thun District
See the weather trend as well as the moving average line
September weather in Thun District day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 20° /7° | 8.2 mm | 5 | |
| 2 Sept. |  Light rain shower | 18° /8° | 10.1 mm | 4 | |
| 3 Sept. |  Sunny | 21° /8° | 6.3 mm | 5 | |
| 4 Sept. |  Cloudy | 20° /7° | 15.2 mm | 5 | |
| 5 Sept. | Sunny | 18° /7° | 3.9 mm | 4 | |
| 6 Sept. | Sunny | 22° /10° | 0.1 mm | 6 | |
| 7 Sept. | Sunny | 24° /12° | 0 mm | 6 | |
| 8 Sept. | Sunny | 22° /12° | 5.8 mm | 6 | |
| 9 Sept. | Patchy rain possible | 18° /9° | 10.1 mm | 4 | |
| 10 Sept. | Sunny | 17° /7° | 2 mm | 4 | |
| 11 Sept. | Sunny | 19° /9° | 4.4 mm | 5 | |
| 12 Sept. | Light rain shower | 17° /8° | 4.8 mm | 4 | |
| 13 Sept. |  Moderate or heavy rain shower | 15° /6° | 9.5 mm | 3 | |
| 14 Sept. |  Fog | 13° /5° | 4.4 mm | 3 | |
| 15 Sept. | Partly cloudy | 16° /4° | 0 mm | 4 | |
| 16 Sept. | Patchy rain possible | 14° /3° | 1.7 mm | 0.6 | |
| 17 Sept. | Partly cloudy | 20° /6° | 0 mm | 0.6 | |
| 18 Sept. | Sunny | 25° /13° | 0 mm | 1.4 | |
| 19 Sept. | Patchy rain possible | 26° /16° | 0.1 mm | 1.4 | |
| 20 Sept. | Patchy rain possible | 26° /17° | 0.8 mm | 1.5 | |
| 21 Sept. |  Moderate rain | 16° /11° | 8 mm | 3 | |
| 22 Sept. | Patchy rain possible | 11° /10° | 3.9 mm | 3 | |
| 23 Sept. | Patchy rain possible | 9° /5° | 3.1 mm | 2 | |
| 24 Sept. | Moderate rain | 5° /-2° | 8.6 mm | 1 | |
| 25 Sept. | Moderate rain | 7° /-2° | 5.2 mm | 1 | |
| 26 Sept. | Patchy rain possible | 9° /-2° | 0.3 mm | 1 | |
| 27 Sept. | Partly cloudy | 10° /3° | 0 mm | 3 | |
| 28 Sept. | Partly cloudy | 14° /5° | 0 mm | 3 | |
| 29 Sept. | Patchy rain possible | 14° /1° | 0.3 mm | 2 | |
| 30 Sept. | Mist | 20° /10° | 1.1 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Thun District 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 Thun District forecast closer to your planned date for the most up-to-date weather information.
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Thun District in September - FAQ
What are the expected maximum and minimum temperatures in Thun District during September?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Thun District during September?
Significant rainfall exceeding 122.7 mm is expected in Thun District during September, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Thun District during September?
The average wind speed in Thun District during September is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Thun District
Explore the daily rainfall trends and prepare for Thun Districts September weather 💧
UV exposure in Thun District during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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