September weather forecastGardanne, France
September
Weather in September
September, the first month of the autumn in Gardanne, is still a warm month, with an average temperature fluctuating between 24.6°C (76.3°F) and 15.5°C (59.9°F).Temperature
September sees a slight reduction in average high-temperature, with a shift from a moderately hot 29.3°C (84.7°F) in August to a still warm 24.6°C (76.3°F). In September, Gardanne experiences an average nighttime temperature of 15.5°C (59.9°F).Humidity
In Gardanne, the average relative humidity in September is 64%.Rainfall
In September, in Gardanne, France, the rain falls for 7.1 days. Throughout September, 27mm (1.06") of precipitation is accumulated. In Gardanne, during the entire year, the rain falls for 102.5 days and collects up to 409mm (16.1") of precipitation.Snowfall
In Gardanne, snow does not fall in April through November.Daylight
The average length of the day in September in Gardanne is 12h and 30min.On the first day of September, sunrise is at 07:02 and sunset at 20:13. On the last day of the month, sunrise is at 07:35 and sunset at 19:20 CEST.
Sunshine
In Gardanne, the average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September in Gardanne is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gardanne, France
- Average high temperature in September: 24.6°C
The warmest months (with the highest average high temperature) are July and August (29.3°C).
The month with the lowest average high temperature is January (9.6°C).
- Average low temperature in September: 15.5°C
The month with the highest average low temperature is August (19.1°C).
The coldest months (with the lowest average low temperature) are January and February (3.4°C).
Average pressure in September
Gardanne, France
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The months with the lowest atmospheric pressure are April and November (1014.4mbar).
Average wind speed in September
Gardanne, France
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is February (15.8km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in September
Gardanne, France
- Average humidity in September: 64%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are July and August (57%).
Average rainfall in September
Gardanne, France
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is November (71mm).
The driest month (with the least rainfall) is July (15mm).
Average rainfall days in September
Gardanne, France
- Average rainfall days in September: 7.1 days
The month with the highest number of rainy days is November (11.3 days).
The month with the least rainy days is July (5.1 days).
Average snowfall in September
Gardanne, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Gardanne, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and November (0 days).
Average daylight in September /
Average sunshine in September
Gardanne, 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 18min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is November (Average sunshine: 5h and 36min).
Average sunshine days in September
Gardanne, France
- Average sunshine days in September: 21.6 days
The month with the most sunshine days is July (24.8 days).
The months with the least sunshine days are April and November (17.3 days).
Average UV index in September
Gardanne, France
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Gardanne, France
- Average cloud cover in September: 18
The month with the most cloud cover is November (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in September
Gardanne, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January and November (9km).
