La Roche-sur-Yon in september: average Weather, Temperature and Climate
Weather in La Roche-sur-Yon in september 2025
The weather in La Roche-sur-Yon in the month of september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
perfect weather UV index: 6
Weather at 6am
58°F
Clear/Sunny
41% of time
24%
17%
10%
Weather at 12pm
74°F
Clear/Sunny
49% of time
26%
13%
12%
Weather at 6pm
67°F
Clear/Sunny
49% of time
28%
11%
10%
Weather at 3am
58°F
44%
24%
13%
12%
Evolution of daily average temperature and precipitation in La Roche-sur-Yon in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in La Roche-sur-Yon in september.
The climate of La Roche-sur-Yon in september is perfect
The climate in september in La Roche-sur-Yon is rather dry (with 2.1in of rainfall over 3 days). Unfortunately, the weather conditions is worsening than the previous month since in august there is an average of 1.9in of rainfall over 3 days.
The climate pleasant in this location september. Temperatures are up to 74°F. The minimum is 58°F. Thus, the mean temperature average in september in La Roche-sur-Yon is 67°F. Note that seasonal normals in contrast with those observed in La Roche-sur-Yon in september with a maximum record of 97°F in 2021 and a minimum record of 41°F in 2010.
On this month of september, day length in La Roche-sur-Yon is generally 12:34. Sunrise is at 06:43 and sunset is at 19:17.
With ideal weather conditions, this month is recommended to go in this locality in Vendée.
Seasonal average climate and temperature of La Roche-sur-Yon in september
Check below seasonal norms These statistics are compiled from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 67°F | ||||
| Highest temperature | 74°F | ||||
| Lowest temperature | 58°F | ||||
| Highest record temperature | 97°F (2021) | ||||
| Lowest record temperature | 41°F (2010) | ||||
| Number of days at +86°F | 2 day(s) (7%) | ||||
| Number of days at +65°F | 28 day(s) (93%) | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 56°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.1in | ||||
| Number of days with rainfall | 3 day(s) (10%) | ||||
| Record daily rainfall | 1.7in (2013) | ||||
| Other climate data | |||||
| Humidity | 87% | ||||
| Visibility | 9.28km | ||||
| Cloud cover | 31% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:43 | ||||
| Time of sunset | 19:17 | ||||
| Length of day | 12:34 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | perfect | ||||
How was the weather last september?
Here is the day by day recorded weather in La Roche-sur-Yon in september 2024:
65°F to 74°F
59°F to 68°F
61°F to 74°F
56°F to 76°F
52°F to 65°F
54°F to 63°F
59°F to 68°F
56°F to 68°F
61°F to 76°F
49°F to 72°F
61°F to 67°F
52°F to 63°F
45°F to 67°F
47°F to 70°F
47°F to 72°F
52°F to 74°F
58°F to 77°F
58°F to 76°F
56°F to 77°F
56°F to 81°F
59°F to 70°F
59°F to 70°F
54°F to 68°F
56°F to 68°F
56°F to 63°F
61°F to 67°F
54°F to 61°F
45°F to 61°F
49°F to 56°F
59°F to 65°F
Map: other cities in Vendée in september
Cities near La Roche-sur-Yon:
| Aizenay in september | perfect weather |
| Talmont-Saint-Hilaire in september | perfect weather |
| Chantonnay in september | perfect weather |
| Longeville-sur-Mer in september | perfect weather |
| Jard-sur-Mer in september | perfect weather |
| Lucon in september | perfect weather |
| Port Bourgenay in september | perfect weather |
| Bretignolles-sur-Mer in september | perfect weather |
| Les Sables-d'Olonne in september | perfect weather |
| Montaigu in september | perfect weather |
| La Tranche-sur-Mer in september | good weather |
| Les Herbiers in september | good weather |
Click over cities on the map for information about the weather in september.
La Roche-sur-Yon
perfect weather
good
tolerable
bad
very bad
Weather data for La Roche-sur-Yon in september:
Weather data for La Roche-sur-Yon for september are derived from an average of the weather forecast since 2009 in La Roche-sur-Yon. There is a margin of error and these forecasts are to be considered as general information only. The weather in La Roche-sur-Yon 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 La Roche-sur-Yon.