Rennes Weather: September
 |
Average Day Temperature: | 72.1°F |
|
Average Night Temperature: | 55.3°F |
|
Sea Water Temperature: | 66.5°F |
|
Number of Sunny Days: | 12 days |
| Sunshine Hours: | 11.7 - 13.4 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 0.9 in | |
| detailed information | ||
forecast
| Rennes |
Temperature
| Rennes |
Air Temperature in September, °F
The highest day temperature in September 2023 was 98°F. The lowest night temperature was 46°F. The average values for day and night temperatures during September were 80.1°F и 60.6°F respectivly.
Rennes Water Sea Temperature in September, °F
The average sea surface temperature in September 2023 for Rennes was 68.5°F. The maximum and minimum values were 67.0°F and 69.8°F respectively.
You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in September, in
Precipitation total in September for Rennes is 0.9 in. It makes september the least rainy month of the year.
The average wind speed in September is 8.1 mph. It makes September the most windless month of the year for Rennes.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Rennes in September is 7.5 hours.
Rennes on the Weather Map
| Annecy |  |
+52 |
| Antibes |  |
+54 |
| Biarritz | |
+58 |
| Bordeaux | |
+62 |
| Cannes | |
+52 |
| Chamonix |  |
+34 |
| Corsica | |
+62 |
| Etretat | |
+48 |
| Marseilles | |
+52 |
| Menton | |
+56 |
| Montpellier | |
+56 |
| Nice | |
+54 |
| Paris | |
+58 |
| Saint-Tropez | |
+52 |
| Toulouse | |
+62 |
| 1200 |  |
56°F | N 12 mph |
| 1500 | |
60°F | NE 14 mph |
| 1800 |  |
54°F | E 10 mph |
| 2100 |  |
44°F | E 5 mph |
| 0000 |  |
40°F | N 3 mph |
| 0300 | |
38°F | N 4 mph |
| 0600 | |
40°F | E 2 mph |
| 0900 | |
40°F | S 7 mph |