Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The beginning of September in Nantes, France, records an average high-temperature of an agreeable 21.8°C (71.2°F), marking a negligible difference from August's 24.3°C (75.7°F). Nantes's temperature in September lowers to a consistent average of 12°C (53.6°F) during the nights.Humidity
August and September, with an average relative humidity of 74%, are the least humid months.Rainfall
September is the month with the least rainfall. Rain falls for 8.2 days and accumulates 21mm (0.83") of precipitation.Snowfall
March, May through October and December are months without snowfall in Nantes.Daylight
In Nantes, France, the average length of the day in September is 12h and 34min.On the first day of September in Nantes, sunrise is at 07:26 and sunset at 20:46. On the last day of the month, sunrise is at 08:04 and sunset at 19:47 CEST.
Sunshine
The average sunshine in September in Nantes is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What is the average September temperature in Nantes?
What is the least humid month in Nantes?
What is the average humidity in September in Nantes?
What is the driest month in Nantes?
How many days does it rain in September in Nantes?
When it does not snow in Nantes?
How many hours of daylight does Nantes have in September?
What time are sunrise and sunset in September in Nantes?
How many hours of sunshine does Nantes have in September?
How high is the UV index in September in Nantes?
Average temperature in September
Nantes, France
- Average high temperature in September: 21.8°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in September: 12°C
The months with the highest average low temperature are July and August (14°C).
The coldest month (with the lowest average low temperature) is February (2.9°C).
Average pressure in September
Nantes, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in September
Nantes, France
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is February (18km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).
Average humidity in September
Nantes, France
- Average humidity in September: 74%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are August and September (74%).
Average rainfall in September
Nantes, France
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in September
Nantes, France
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is January (16.3 days).
The month with the least rainy days is September (8.2 days).
Average snowfall in September
Nantes, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are March, May, June, July, August, September, October and December (0mm).
Average snowfall days in September
Nantes, France
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are March, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Nantes, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
Nantes, France
- Average sunshine days in September: 20.2 days
The month with the most sunshine days is September (20.2 days).
The month with the least sunshine days is November (11.6 days).
Average UV index in September
Nantes, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Nantes, France
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in September
Nantes, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Nantes, France
Weather forecast for your location
2. Allow the app to use your location
