Carnac in september: average Weather, Temperature and Climate
Weather in Carnac in september 2025
The weather in Carnac in september comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
perfect weather
Weather at 6am
58°F
Clear/Sunny
45% of time
27%
13%
11%
Weather at 12pm
68°F
Clear/Sunny
44% of time
28%
12%
12%
Weather at 6pm
65°F
Clear/Sunny
45% of time
30%
13%
9%
Weather at 3am
59°F
48%
29%
13%
8%
Evolution of daily average temperature and precipitation in Carnac in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Carnac in september.
The climate of Carnac in september is perfect
The weather in september in Carnac is quite dry (with 2in of precipitation over 3 days). The weather is better from the previous month since in august it receives an average of 2.9in of rainfall over 5 days.
The climate enjoyable there the month of september. The thermometer averaged maximum of 70°F. The seasonal minimum is 58°F. Thus, the mean temperature average in september in Carnac is 65°F. These temperatures are far removed from those records observed in Carnac in the month of september with a maximum record of 90°F in 2021 and a minimum record of 47°F in 2010. You can expect to have about 25 days with temperatures up to 65°F, or 83% of the month.
On average, in Carnac, the days of september last 12:34. Sunrise is at 06:50 and sunset is at 19:24.
With good weather conditions, this month is recommended to go in this city in Brittany.
Seasonal average climate and temperature of Carnac 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 | 65°F | ||||
| Highest temperature | 70°F | ||||
| Lowest temperature | 58°F | ||||
| Highest record temperature | 90°F (2021) | ||||
| Lowest record temperature | 47°F (2010) | ||||
| Number of days at +65°F | 25 day(s) (83%) | ||||
| Sea temperature | |||||
| Average sea temperature | 65°F | ||||
| Lowest sea temperature | 62°F | ||||
| Highest sea temperature | 67°F | ||||
| Wind | |||||
| Wind speed | 21km/h | ||||
| Wind temperature | 56°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2in | ||||
| Number of days with rainfall | 3 day(s) (11%) | ||||
| Record daily rainfall | 1.1in (2017) | ||||
| Other climate data | |||||
| Humidity | 87% | ||||
| Visibility | 9.66km | ||||
| Cloud cover | 32% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:50 | ||||
| Time of sunset | 19:24 | ||||
| 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 Carnac in september 2024:
65°F to 67°F
65°F to 67°F
63°F to 65°F
61°F to 65°F
59°F to 61°F
61°F to 63°F
59°F to 63°F
61°F to 65°F
63°F to 65°F
61°F to 63°F
59°F to 63°F
58°F to 61°F
56°F to 61°F
56°F to 63°F
58°F to 61°F
58°F to 65°F
59°F to 67°F
61°F to 67°F
61°F to 67°F
61°F to 67°F
63°F to 65°F
63°F to 63°F
61°F to 63°F
61°F to 63°F
61°F to 63°F
61°F to 63°F
58°F to 61°F
56°F to 58°F
58°F to 63°F
61°F to 63°F
Map: other cities in Brittany in september
Cities near Carnac:
| Plouharnel in september | good weather |
| La Trinité-sur-Mer in september | good weather |
| Saint-Philibert in september | good weather |
| Erdeven in september | good weather |
| Locmariaquer in september | good weather |
| The Quiberon peninsula in september | good weather |
| Auray in september | perfect weather |
| Arzon in september | good weather |
| Le Crouesty in september | perfect weather |
| Île-aux-Moines in september | good weather |
| Plouhinec in september | perfect weather |
| Saint-Gildas-de-Rhuys in september | good weather |
Click over cities on the map for information about the weather in september.
Carnac
perfect weather
good
tolerable
bad
very bad
Weather data for Carnac in september:
Weather data for Carnac for september are derived from an average of the weather forecast since 2009 in Carnac. There is a margin of error and these forecasts are to be considered as general information only. The weather in Carnac 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 Carnac.