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
September's arrival subtly correlates with a reduction in the average high-temperature, down from a moderately hot 25.8°C (78.4°F) in August to an agreeable 22.1°C (71.8°F). Recording a slight decline in temperature during the nights, Gattières's September temperatures average at a refreshing 17.2°C (63°F).Humidity
January through March, August, September and December, with an average relative humidity of 68%, are the least humid months in Gattières.Rainfall
In September, in Gattières, the rain falls for 11.5 days. Throughout September, 37mm (1.46") of precipitation is accumulated. In Gattières, during the entire year, the rain falls for 138.9 days and collects up to 593mm (23.35") of precipitation.Snowfall
March through December are months without snowfall.Daylight
In September, the average length of the day in Gattières is 12h and 30min.On the first day of September in Gattières, sunrise is at 06:55 and sunset at 20:06. On the last day of the month, sunrise is at 07:28 and sunset at 19:13 CEST.
Sunshine
In Gattières, France, the average sunshine in September is 9.9h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What are the temperatures in Gattières in September?
What is the least humid month in Gattières?
What is the average humidity in September in Gattières?
How many days does it rain in September in Gattières?
When it does not snow in Gattières?
How many hours of daylight does Gattières have in September?
When are sunrise and sunset in September in Gattières?
How many hours of sunshine does Gattières have in September?
What is the UV index intensity in September in Gattières?
Average temperature in September
Gattières, France
- Average high temperature in September: 22.1°C
The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is January (10°C).
- Average low temperature in September: 17.2°C
The month with the highest average low temperature is August (19.9°C).
The coldest month (with the lowest average low temperature) is February (5.6°C).
Average pressure in September
Gattières, France
- Average pressure in September: 1015.9mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The months with the lowest atmospheric pressure are April and November (1013.9mbar).
Average wind speed in September
Gattières, France
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is March (13.2km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).
Average humidity in September
Gattières, France
- Average humidity in September: 68%
The months with the highest relative humidity are May and June (71%).
The months with the lowest relative humidity are January, February, March, August, September and December (68%).
Average rainfall in September
Gattières, France
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is November (121mm).
The driest month (with the least rainfall) is August (27mm).
Average rainfall days in September
Gattières, France
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is December (8.9 days).
Average snowfall in September
Gattières, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Gattières, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Gattières, France
- Average daylight in September: 12h and 3min
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 5min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The months with the least sunshine are January and November (Average sunshine: 6h and 36min).
Average sunshine days in September
Gattières, France
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is December (20.2 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in September
Gattières, France
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Gattières, France
- Average cloud cover in September: 16
The month with the most cloud cover is February (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Gattières, 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).
Gattières, France
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