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
September
Weather in September
Temperature
The arrival of September correlates with a minor temperature reduction, down from August's moderately hot 23.5°C (74.3°F) to an enjoyable 19.5°C (67.1°F). During September in Rivière-les-Fosses, the average low-temperature is recorded at a frosty 9.8°C (49.6°F).Humidity
The average relative humidity in September in Rivière-les-Fosses is 79%.Rainfall
September is the month with the least rainfall in Rivière-les-Fosses. Rain falls for 13.5 days and accumulates 43mm (1.69") of precipitation.Snowfall
June through September are months without snowfall in Rivière-les-Fosses.Daylight
In Rivière-les-Fosses, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 06:58 and sunset at 20:19. On the last day of September, in Rivière-les-Fosses, France, sunrise is at 07:37 and sunset at 19:20 CEST.
Sunshine
The average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September in Rivière-les-Fosses is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Rivière-les-Fosses in September?
What is the average humidity in September in Rivière-les-Fosses?
What is the driest month in Rivière-les-Fosses?
How many days does it rain in September in Rivière-les-Fosses?
When it does not snow in Rivière-les-Fosses?
Does it snow in Rivière-les-Fosses in September?
How many hours of daylight does Rivière-les-Fosses have in September?
What time are sunrise and sunset in September in Rivière-les-Fosses?
How long on average sun shines in September in Rivière-les-Fosses?
How high is the UV index in September in Rivière-les-Fosses?
Average temperature in September
Rivière-les-Fosses, France
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (3.9°C).
- Average low temperature in September: 9.8°C
The months with the highest average low temperature are July and August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).
Average pressure in September
Rivière-les-Fosses, France
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is November (1015mbar).
Average wind speed in September
Rivière-les-Fosses, France
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is February (15.3km/h).
The calmest month (with the lowest average wind speed) is August (9.2km/h).
Average humidity in September
Rivière-les-Fosses, France
- Average humidity in September: 79%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Rivière-les-Fosses, France
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is June (88mm).
The driest month (with the least rainfall) is September (43mm).
Average rainfall days in September
Rivière-les-Fosses, France
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is June (20.5 days).
The month with the least rainy days is February (12.7 days).
Average snowfall in September
Rivière-les-Fosses, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (82mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Rivière-les-Fosses, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rivière-les-Fosses, 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 30min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Rivière-les-Fosses, France
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is June (6.8 days).
Average UV index in September
Rivière-les-Fosses, 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
Rivière-les-Fosses, France
- Average cloud cover in September: 37
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Rivière-les-Fosses, France
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, July and August (9km).
The months with the lowest visibility are January, May, June, September, October, November and December (8km).
