September weather forecastSatillieu, France
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Satillieu, France, with an average temperature varying between 22.2°C (72°F) and 11.3°C (52.3°F).Temperature
Start of September brings a shift in the average high-temperature, falling from August's warm 27.3°C (81.1°F) to an agreeable 22.2°C (72°F). Satillieu records a consistent low-temperature of 11.3°C (52.3°F) during September nights.Humidity
In September, the average relative humidity in Satillieu is 73%.Rainfall
In September, the rain falls for 6.6 days. Throughout September, 17mm (0.67") of precipitation is accumulated. Throughout the year, in Satillieu, there are 114.3 rainfall days, and 320mm (12.6") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day in Satillieu is 12h and 32min.On the first day of the month, sunrise is at 07:04 and sunset at 20:18. On the last day of September, in Satillieu, sunrise is at 07:39 and sunset at 19:23 CEST.
Sunshine
The average sunshine in September is 9h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Satillieu, France
- Average high temperature in September: 22.2°C
The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is July (14.6°C).
The coldest month (with the lowest average low temperature) is February (0.3°C).
Average pressure in September
Satillieu, France
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).
Average wind speed in September
Satillieu, France
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is September (10km/h).
Average humidity in September
Satillieu, France
- Average humidity in September: 73%
The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Satillieu, France
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is November (60mm).
The driest month (with the least rainfall) is August (16mm).
Average rainfall days in September
Satillieu, France
- Average rainfall days in September: 6.6 days
The months with the highest number of rainy days are April and May (11.7 days).
The month with the least rainy days is September (6.6 days).
Average snowfall in September
Satillieu, France
- Average snowfall in September: 0mm
The month with the highest snowfall is November (55mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Satillieu, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Satillieu, 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: 9h and 0min
The months with the most sunshine are July and August (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Satillieu, France
- Average sunshine days in September: 21.1 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is February (15.1 days).
Average UV index in September
Satillieu, France
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Satillieu, France
- Average cloud cover in September: 27
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Satillieu, 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).
