September weather forecastLarmor-Baden, France
September
Weather in September
September, the first month of the autumn in Larmor-Baden, is still a comfortable month, with temperature in the range of an average high of 19.7°C (67.5°F) and an average low of 13.2°C (55.8°F).Temperature
Upon the beginning of September, Larmor-Baden's high-temperatures register at a refreshing 19.7°C (67.5°F), closely mirroring the preceding month. Larmor-Baden's nights in September experience an average temperature drop to 13.2°C (55.8°F).Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 78%.Rainfall
September is the month with the least rainfall. Rain falls for 10 days and accumulates 24mm (0.94") of precipitation.Snowfall
In Larmor-Baden, snow does not fall in January, March, May through November.Sea temperature
In September, the average sea temperature in Larmor-Baden is 18.2°C (64.8°F).Note: For swimming, a surface water temperature of 18.2°C (64.8°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
Daylight
In September, the average length of the day in Larmor-Baden is 12h and 34min.On the first day of the month, sunrise is at 07:30 and sunset at 20:51. On the last day of September, in Larmor-Baden, France, sunrise is at 08:09 and sunset at 19:52 CEST.
Sunshine
In September, the average sunshine in Larmor-Baden is 8h.UV index
In Larmor-Baden, France, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Larmor-Baden, France
- Average high temperature in September: 19.7°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in September: 13.2°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).
Average pressure in September
Larmor-Baden, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in September
Larmor-Baden, France
- Average wind speed in September: 16.1km/h
The windiest month (with the highest average wind speed) is December (22.9km/h).
The calmest month (with the lowest average wind speed) is August (15.5km/h).
Average humidity in September
Larmor-Baden, France
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are August and September (78%).
Average rainfall in September
Larmor-Baden, France
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is November (81mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in September
Larmor-Baden, France
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is January (17.7 days).
The month with the least rainy days is September (10 days).
Average snowfall in September
Larmor-Baden, France
- Average snowfall in September: 0mm
The months with the highest snowfall are February, April and December (1mm).
The months with the least snowfall are January, March, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Larmor-Baden, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Larmor-Baden, France
- Average sea temperature in September: 18.2°C
The best month for swimming (with the highest average sea temperature) is August (18.3°C).
The coldest month (with the lowest average sea temperature) is February (9.5°C).
Average daylight in September /
Average sunshine in September
Larmor-Baden, France
- Average daylight in September: 12h and 36min
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 30min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
Larmor-Baden, France
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in September
Larmor-Baden, 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, March, April, November and December (UV index 3).
Average cloud cover in September
Larmor-Baden, France
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in September
Larmor-Baden, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





