Biel/Bienne in september: average Weather, Temperature and Climate
Weather in Biel/Bienne in september 2025
The weather in Biel/Bienne in september comes from statistical datas on the last years. You can view the weather statistics the entire month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather
Weather at 6am
54°F
Clear/Sunny
33% of time
25%
19%
17%
Weather at 12pm
68°F
Clear/Sunny
43% of time
27%
21%
6%
Weather at 6pm
56°F
Clear/Sunny
33% of time
31%
19%
10%
Weather at 3am
52°F
32%
30%
20%
14%
Evolution of daily average temperature and precipitation in Biel/Bienne in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Biel/Bienne in september.
The climate of Biel/Bienne in september is good
the weather in Biel/Bienne in september is wet (with 4.3in of rainfall over 7 days). It should be noted an improvement from the previous month since in august it receives an average of 6.3in of rainfall over 10 days.
The climate nice in this location this month. The high seasonal norm is 70°F. The minimum is 54°F. Thus, the mean temperature average on this month of september in Biel/Bienne is 61°F. Note that these seasonal averages are in contrast with those observed in Biel/Bienne in the month of september with a maximum record of 88°F in 2018 and a minimum record of 38°F in 2010. You can plan to have about 22 days with temperatures over 65°F, or 73% of time.
On this month of september, day length in Biel/Bienne is generally 12:34. The sun rises at 06:09 and sets at 18:43.
With a good climate, this month is a good month to go in this city.
Seasonal average climate and temperature of Biel/Bienne in september
Check below seasonal norms These statistics are compiled from the weather statements of the last years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 61°F | ||||
| Highest temperature | 70°F | ||||
| Lowest temperature | 54°F | ||||
| Highest record temperature | 88°F (2018) | ||||
| Lowest record temperature | 38°F (2010) | ||||
| Number of days at +86°F | 0 day(s) (0%) | ||||
| Number of days at +65°F | 22 day(s) (73%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Wind | |||||
| Wind speed | 11km/h | ||||
| Wind temperature | 54°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.3in | ||||
| Number of days with rainfall | 7 day(s) (25%) | ||||
| Record daily rainfall | 1.8in (2012) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 91% | ||||
| Visibility | 8.33km | ||||
| Cloud cover | 35% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:09 | ||||
| Time of sunset | 18:43 | ||||
| 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 Biel/Bienne in september 2024:
61°F to 83°F
58°F to 77°F
58°F to 77°F
61°F to 74°F
61°F to 70°F
52°F to 72°F
54°F to 79°F
61°F to 74°F
52°F to 59°F
54°F to 68°F
52°F to 58°F
45°F to 56°F
40°F to 52°F
43°F to 56°F
41°F to 61°F
41°F to 61°F
50°F to 56°F
41°F to 65°F
47°F to 65°F
47°F to 70°F
49°F to 67°F
49°F to 68°F
56°F to 58°F
47°F to 67°F
47°F to 65°F
54°F to 58°F
54°F to 58°F
47°F to 50°F
40°F to 58°F
52°F to 65°F
Map: other cities in Switzerland in september
Cities near Biel/Bienne:
| Grenchen in september | good weather |
| Villeret in september | good weather |
| Bern in september | tolerable weather |
| Delémont in september | good weather |
| Neuchatel in september | good weather |
| Burgdorf in september | tolerable weather |
| La Chaux-de-Fonds in september | good weather |
| Fribourg in september | tolerable weather |
| Regionaler Naturpark Thal in september | good weather |
| Le Locle in september | good weather |
| Langenthal in september | good weather |
| Thun in september | good weather |
Click over cities on the map for information about the weather in september.
Biel/Bienne
perfect weather
good
tolerable
bad
very bad
Weather data for Biel/Bienne in september:
Weather data for Biel/Bienne for september are derived from an average of the weather forecast since 2009 in Biel/Bienne. There is a margin of error and these forecasts are to be considered as general information only. The weather in Biel/Bienne 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 Biel/Bienne.