September weather forecastSaint-Chamas, France
September
Weather in September
The first month of the autumn, September, is still a warm month in Saint-Chamas, France, with temperature in the range of an average high of 25.4°C (77.7°F) and an average low of 17.3°C (63.1°F).Temperature
September marks a gentle change in average high-temperature, declining from August's 29.4°C (84.9°F) to a still moderately hot 25.4°C (77.7°F). September brings an average low-temperature of 17.3°C (63.1°F) to Saint-Chamas.Humidity
The average relative humidity in September is 62%.Rainfall
In September, in Saint-Chamas, the rain falls for 6.6 days. Throughout September, 25mm (0.98") of precipitation is accumulated. In Saint-Chamas, during the entire year, the rain falls for 96.9 days and collects up to 372mm (14.65") of precipitation.Snowfall
April through December are months without snowfall in Saint-Chamas.Daylight
In September, the average length of the day is 12h and 30min.On the first day of the month, sunrise is at 07:04 and sunset at 20:15. On the last day of September, sunrise is at 07:36 and sunset at 19:22 CEST.
Sunshine
In September, the average sunshine is 9.4h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 5 during September translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Saint-Chamas, France
- Average high temperature in September: 25.4°C
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (10.5°C).
- Average low temperature in September: 17.3°C
The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).
Average pressure in September
Saint-Chamas, France
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The months with the lowest atmospheric pressure are April and November (1014.6mbar).
Average wind speed in September
Saint-Chamas, France
- Average wind speed in September: 15.1km/h
The windiest month (with the highest average wind speed) is February (21km/h).
The calmest month (with the lowest average wind speed) is August (14.7km/h).
Average humidity in September
Saint-Chamas, France
- Average humidity in September: 62%
The month with the highest relative humidity is December (74%).
The months with the lowest relative humidity are July and August (57%).
Average rainfall in September
Saint-Chamas, France
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is November (67mm).
The driest months (with the least rainfall) are July and August (12mm).
Average rainfall days in September
Saint-Chamas, France
- Average rainfall days in September: 6.6 days
The month with the highest number of rainy days is November (12.2 days).
The month with the least rainy days is August (5.1 days).
Average snowfall in September
Saint-Chamas, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (4mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Saint-Chamas, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Saint-Chamas, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in September
Saint-Chamas, France
- Average sunshine days in September: 22.1 days
The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is November (16.3 days).
Average UV index in September
Saint-Chamas, France
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Saint-Chamas, France
- Average cloud cover in September: 17
The month with the most cloud cover is November (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in September
Saint-Chamas, France
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
