September weather forecastLa Roche-Chalais, France
September
Weather in September
September, the first month of the autumn in La Roche-Chalais, is still a warm month, with temperature in the range of an average low of 12.8°C (55°F) and an average high of 24.5°C (76.1°F).Temperature
With the onset of September, the average high-temperature subtly recedes from August's warm 28°C (82.4°F) to a still moderately hot 24.5°C (76.1°F). The nighttime temperature in La Roche-Chalais, France, during September, averages of 12.8°C (55°F).Humidity
In La Roche-Chalais, the average relative humidity in September is 70%.Rainfall
In September, in La Roche-Chalais, the rain falls for 9.6 days. Throughout September, 25mm (0.98") of precipitation is accumulated. Throughout the year, in La Roche-Chalais, there are 154.4 rainfall days, and 490mm (19.29") of precipitation is accumulated.Snowfall
April through November are months without snowfall in La Roche-Chalais.Daylight
In September, the average length of the day in La Roche-Chalais, France, is 12h and 32min.On the first day of the month, sunrise is at 07:22 and sunset at 20:37. On the last day of September, in La Roche-Chalais, sunrise is at 07:57 and sunset at 19:42 CEST.
Sunshine
In September, the average sunshine is 8.5h.UV index
The average daily maximum UV index in September in La Roche-Chalais is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
La Roche-Chalais, France
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in September: 12.8°C
The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is February (2.4°C).
Average pressure in September
La Roche-Chalais, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is November (1015.3mbar).
Average wind speed in September
La Roche-Chalais, France
- Average wind speed in September: 8.4km/h
The windiest months (with the highest average wind speed) are February and March (11.5km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).
Average humidity in September
La Roche-Chalais, France
- Average humidity in September: 70%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
La Roche-Chalais, France
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is November (59mm).
The driest month (with the least rainfall) is July (20mm).
Average rainfall days in September
La Roche-Chalais, France
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in September
La Roche-Chalais, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (6mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
La Roche-Chalais, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
La Roche-Chalais, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and November (Average sunshine: 4h and 48min).
Average sunshine days in September
La Roche-Chalais, France
- Average sunshine days in September: 19.1 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in September
La Roche-Chalais, France
- Average UV index in September: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in September
La Roche-Chalais, France
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
La Roche-Chalais, France
- Average visibility in September: 9km
The months with the highest visibility are March, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, April, May, November and December (8km).
