Saint-Malo in september: average Weather, Temperature and Climate
Weather in Saint-Malo in september 2025
The weather in Saint-Malo in the month of september comes from statistical datas on the last 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
good weather
Weather at 6am
58°F
Clear/Sunny
34% of time
30%
16%
13%
Weather at 12pm
68°F
Clear/Sunny
39% of time
25%
18%
15%
Weather at 6pm
65°F
Clear/Sunny
41% of time
25%
19%
13%
Weather at 3am
58°F
37%
27%
18%
11%
Evolution of daily average temperature and precipitation in Saint-Malo in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Saint-Malo in september.
The climate of Saint-Malo in september is good
The climate in september in Saint-Malo is rather dry (with 2.5in of rainfall over 4 days). It should be noted an improvement from the previous month since in august it receives an average of 3.5in of precipitation over 6 days.
The climate quite pleasant around this city september. Temperatures are up to 68°F. On average, the recorded minimum temperature is 58°F. Thus, the mean temperature average in september in Saint-Malo is 63°F. Note that these seasonal averages are in contrast with those observed in Saint-Malo in september with a maximum record of 88°F in 2021 and a minimum record of 47°F in 2010. You can expect to have about 24 days with temperatures over 65°F, or 80% of the month.
In september in Saint-Malo, the days on average last 12:36. Sunrise is at 06:45 and sunset is at 19:21.
With a good weather, this month is a good time to go in Saint-Malo.
Seasonal average climate and temperature of Saint-Malo in september
Check below seasonal norms These statistics are generated from the weather statements of the past years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 63°F | ||||
| Highest temperature | 68°F | ||||
| Lowest temperature | 58°F | ||||
| Highest record temperature | 88°F (2021) | ||||
| Lowest record temperature | 47°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 | 20km/h | ||||
| Wind temperature | 56°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.5in | ||||
| Number of days with rainfall | 4 day(s) (14%) | ||||
| Record daily rainfall | 1in (2017) | ||||
| Other climate data | |||||
| Humidity | 87% | ||||
| Visibility | 9.5km | ||||
| 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 Saint-Malo in september 2024:
65°F to 70°F
61°F to 70°F
61°F to 67°F
59°F to 65°F
59°F to 63°F
59°F to 65°F
59°F to 61°F
58°F to 63°F
59°F to 63°F
56°F to 67°F
58°F to 63°F
54°F to 59°F
54°F to 61°F
50°F to 61°F
52°F to 65°F
58°F to 67°F
58°F to 68°F
61°F to 72°F
59°F to 72°F
59°F to 70°F
58°F to 65°F
58°F to 68°F
56°F to 63°F
59°F to 63°F
58°F to 61°F
59°F to 65°F
54°F to 58°F
54°F to 58°F
50°F to 58°F
56°F to 61°F
Map: other cities in Brittany in september
Cities near Saint-Malo:
| Dinard in september | good weather |
| Saint-Lunaire in september | good weather |
| Saint-Briac-sur-Mer in september | good weather |
| Saint-Coulomb in september | good weather |
| Saint-Méloir-des-Ondes in september | good weather |
| Lancieux in september | good weather |
| Cancale in september | good weather |
| Saint-Jacut-de-la-Mer in september | good weather |
| Hirel in september | good weather |
| Saint-Cast-le-Guildo in september | good weather |
| Cap Fréhel in september | good weather |
| Dinan in september | good weather |
Click over cities on the map for information about the weather in september.
Saint-Malo
perfect weather
good
tolerable
bad
very bad
Weather data for Saint-Malo in september:
Weather data for Saint-Malo for september are derived from an average of the weather forecast since 2009 in Saint-Malo. There is a margin of error and these forecasts are to be considered as general information only. The weather in Saint-Malo 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 Saint-Malo.