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 transition into September shows a subtle variation to a comfortable 18.9°C (66°F) from August's 20.7°C (69.3°F) in the average high-temperature. During September in La Rivière-Saint-Sauveur, France, the average low-temperature is recorded at a cool 12.9°C (55.2°F).Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 79%.Rainfall
In September, the rain falls for 13.9 days. Throughout September, 36mm (1.42") of precipitation is accumulated. Throughout the year, there are 188.8 rainfall days, and 580mm (22.83") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 36min.On the first day of September in La Rivière-Saint-Sauveur, sunrise is at 07:15 and sunset at 20:41. On the last day of the month, sunrise is at 07:58 and sunset at 19:39 CEST.
Sunshine
In September, the average sunshine is 7.5h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Undertake protective steps - Preventing sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What are the temperatures in La Rivière-Saint-Sauveur in September?
What are the least humid months in La Rivière-Saint-Sauveur?
What is the average humidity in September in La Rivière-Saint-Sauveur?
How much does it rain in La Rivière-Saint-Sauveur in September?
When it does not snow in La Rivière-Saint-Sauveur?
How many hours of daylight does La Rivière-Saint-Sauveur have in September?
What time are sunrise and sunset in September in La Rivière-Saint-Sauveur?
How long on average sun shines in September in La Rivière-Saint-Sauveur?
How high is the UV index in September in La Rivière-Saint-Sauveur?
Average temperature in September
La Rivière-Saint-Sauveur, France
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (20.7°C).
The month with the lowest average high temperature is January (7.4°C).
- Average low temperature in September: 12.9°C
The month with the highest average low temperature is August (14.7°C).
The coldest months (with the lowest average low temperature) are January and February (3.8°C).
Average pressure in September
La Rivière-Saint-Sauveur, France
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in September
La Rivière-Saint-Sauveur, France
- Average wind speed in September: 16.6km/h
The windiest month (with the highest average wind speed) is December (24.1km/h).
The calmest month (with the lowest average wind speed) is August (15km/h).
Average humidity in September
La Rivière-Saint-Sauveur, France
- Average humidity in September: 79%
The months with the highest relative humidity are January and November (84%).
The months with the lowest relative humidity are August and September (79%).
Average rainfall in September
La Rivière-Saint-Sauveur, France
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is December (76mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
La Rivière-Saint-Sauveur, France
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is January (18.8 days).
The month with the least rainy days is April (13.1 days).
Average snowfall in September
La Rivière-Saint-Sauveur, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
La Rivière-Saint-Sauveur, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
La Rivière-Saint-Sauveur, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 7h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The months with the least sunshine are January, November and December (Average sunshine: 4h and 6min).
Average sunshine days in September
La Rivière-Saint-Sauveur, France
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is July (13.7 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in September
La Rivière-Saint-Sauveur, 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 and November (UV index 2).
Average cloud cover in September
La Rivière-Saint-Sauveur, France
- Average cloud cover in September: 40
The months with the most cloud cover are January, November and December (Cloud cover 59).
The months with the least cloud cover are April and July (Cloud cover 39).
Average visibility in September
La Rivière-Saint-Sauveur, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).
La Rivière-Saint-Sauveur, France
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