Thun in september: average Weather, Temperature and Climate
Weather in Thun in september 2025
The weather in Thun in september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather
Weather at 6am
52°F
Clear/Sunny
39% of time
19%
19%
18%
Weather at 12pm
56°F
Clear/Sunny
51% of time
22%
19%
5%
Weather at 6pm
47°F
Moderate rain at times
34% of time
25%
18%
12%
Weather at 3am
50°F
34%
25%
21%
14%
Evolution of daily average temperature and precipitation in Thun in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Thun in september.
The climate of Thun in september is good
In september in Thun, the climate is wet (with 5.2in of precipitation over 7 days). The weather is better from the previous month since in august it receives an average of 8.7in of rainfall over 11 days.
The climate comfortable in this city september. The high seasonal norm is 65°F. The minimum is 50°F. Thus, the mean temperature average on this month of september in Thun is 58°F. Note that seasonal normals in contrast with those observed in Thun in the month of september with a maximum record of 81°F in 2020 and a minimum record of 27°F in 2017. You can plan to have about 14 days with temperatures over 65°F, or 47% of the month.
On this month of september, day length in Thun is generally 12:34. Sunrise is at 06:07 and sunset is at 18:41.
With a good climate, the month of september is a good month to go in Thun.
Seasonal average climate and temperature of Thun in september
Check below seasonal norms These statistics are set from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 58°F | ||||
| Highest temperature | 65°F | ||||
| Lowest temperature | 50°F | ||||
| Highest record temperature | 81°F (2020) | ||||
| Lowest record temperature | 27°F (2017) | ||||
| Number of days at +65°F | 14 day(s) (47%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Wind | |||||
| Wind speed | 9km/h | ||||
| Wind temperature | 49°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 5.2in | ||||
| Number of days with rainfall | 7 day(s) (25%) | ||||
| Record daily rainfall | 2.7in (2016) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 89% | ||||
| Visibility | 8.19km | ||||
| Cloud cover | 36% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:07 | ||||
| Time of sunset | 18:41 | ||||
| Length of day | 12:34 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Thun in september 2024:
63°F to 76°F
58°F to 63°F
59°F to 70°F
54°F to 63°F
54°F to 63°F
56°F to 72°F
56°F to 76°F
58°F to 67°F
43°F to 58°F
50°F to 54°F
49°F to 59°F
38°F to 47°F
38°F to 43°F
41°F to 45°F
38°F to 58°F
41°F to 54°F
40°F to 52°F
43°F to 56°F
47°F to 58°F
49°F to 61°F
50°F to 68°F
52°F to 63°F
41°F to 58°F
47°F to 54°F
47°F to 58°F
43°F to 54°F
41°F to 56°F
38°F to 47°F
41°F to 50°F
50°F to 67°F
Map: other cities in Switzerland in september
Cities near Thun:
| Frutigen in september | tolerable weather |
| Interlaken in september | tolerable weather |
| Bern in september | tolerable weather |
| Burgdorf in september | tolerable weather |
| Fribourg in september | tolerable weather |
| Gstaad in september | tolerable weather |
| Entlebuch in september | good weather |
| Bulle in september | tolerable weather |
| Gruyères in september | tolerable weather |
| Sarnen in september | tolerable weather |
| Sierre in september | very bad weather |
| Biel/Bienne in september | good weather |
Click over cities on the map for information about the weather in september.
Thun
perfect weather
good
tolerable
bad
very bad
Weather data for Thun in september:
Weather data for Thun for september are derived from an average of the weather forecast since 2009 in Thun. There is a margin of error and these forecasts are to be considered as general information only. The weather in Thun can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Thun.