Dinan in september: average Weather, Temperature and Climate
Weather in Dinan in september 2025
The weather in Dinan in september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather
Weather at 6am
58°F
Clear/Sunny
32% of time
29%
17%
12%
Weather at 12pm
68°F
Clear/Sunny
37% of time
24%
23%
12%
Weather at 6pm
65°F
Clear/Sunny
39% of time
26%
22%
9%
Weather at 3am
58°F
36%
28%
17%
9%
Evolution of daily average temperature and precipitation in Dinan in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Dinan in september.
The climate of Dinan in september is good
The weather in september in Dinan is relatively dry (with 2.6in of rainfall over 4 days). The weather is better from the previous month since in august it receives an average of 3.8in of precipitation over 6 days.
The climate nice in that locality this month. Temperatures are up to 70°F. The minimum is 58°F. Thus, the mean temperature average in september in Dinan is 63°F. Note that seasonal normals in contrast with those observed in Dinan in the month of september with a maximum record of 92°F in 2021 and a minimum record of 45°F in 2010. You can plan to have about 24 days with temperatures up to 65°F, or 80% of time.
In september in Dinan, the days on average last 12:36. Sunrise is at 06:45 and sunset is at 19:21.
With good weather conditions, september is advisable to go there.
Seasonal average climate and temperature of Dinan in september
Check below seasonal norms These statistics are compiled from the weather statements earlier years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 63°F | ||||
| Highest temperature | 70°F | ||||
| Lowest temperature | 58°F | ||||
| Highest record temperature | 92°F (2021) | ||||
| Lowest record temperature | 45°F (2010) | ||||
| Number of days at +65°F | 24 day(s) (80%) | ||||
| Sea temperature | |||||
| Average sea temperature | 65°F | ||||
| Lowest sea temperature | 63°F | ||||
| Highest sea temperature | 67°F | ||||
| Wind | |||||
| Wind speed | 19km/h | ||||
| Wind temperature | 56°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.6in | ||||
| Number of days with rainfall | 4 day(s) (14%) | ||||
| Record daily rainfall | 1.1in (2017) | ||||
| Other climate data | |||||
| Humidity | 89% | ||||
| Visibility | 9.34km | ||||
| Cloud cover | 38% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:45 | ||||
| Time of sunset | 19:21 | ||||
| Length of day | 12:36 | ||||
| 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 Dinan in september 2024:
65°F to 70°F
59°F to 72°F
59°F to 67°F
58°F to 65°F
58°F to 63°F
58°F to 67°F
58°F to 61°F
56°F to 63°F
61°F to 63°F
52°F to 68°F
58°F to 63°F
52°F to 58°F
52°F to 61°F
47°F to 61°F
49°F to 65°F
56°F to 67°F
56°F to 68°F
59°F to 74°F
59°F to 72°F
58°F to 70°F
56°F to 65°F
56°F to 68°F
54°F to 63°F
59°F to 65°F
56°F to 59°F
59°F to 65°F
52°F to 58°F
52°F to 58°F
50°F to 58°F
59°F to 61°F
Map: other cities in Brittany in september
Cities near Dinan:
| Lancieux in september | good weather |
| Saint-Jacut-de-la-Mer in september | good weather |
| Saint-Briac-sur-Mer in september | good weather |
| Dinard in september | good weather |
| Combourg in september | good weather |
| Saint-Lunaire in september | good weather |
| Saint-Malo in september | good weather |
| Saint-Méloir-des-Ondes in september | good weather |
| Dol-de-Bretagne in september | good weather |
| Hede-Bazouges in september | good weather |
| Hirel in september | good weather |
| Saint-Cast-le-Guildo in september | good weather |
Click over cities on the map for information about the weather in september.
Dinan
perfect weather
good
tolerable
bad
very bad
Weather data for Dinan in september:
Weather data for Dinan for september are derived from an average of the weather forecast since 2009 in Dinan. There is a margin of error and these forecasts are to be considered as general information only. The weather in Dinan 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 Dinan.