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
A subtle shift in Sisteron's weather is observed as August turns into September, with the average high temperature reducing from a warm 27.5°C (81.5°F) to a pleasant 22.7°C (72.9°F). Sisteron, during the nights of September, registers a substantial plunge from the daytime high, averaging at a fresh 10.5°C (50.9°F).Humidity
In Sisteron, France, the average relative humidity in September is 67%.Rainfall
In Sisteron, in September, during 10.3 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Sisteron, during the entire year, the rain falls for 124.6 days and collects up to 504mm (19.84") of precipitation.Snowfall
In Sisteron, snow does not fall in April through September.Daylight
In September, the average length of the day in Sisteron, France, is 12h and 31min.On the first day of the month, sunrise is at 06:59 and sunset at 20:12. On the last day of September, in Sisteron, sunrise is at 07:33 and sunset at 19:18 CEST.
Sunshine
The average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What is the average September temperature in Sisteron?
What is the average humidity in September in Sisteron?
How much does it rain in Sisteron in September?
When it does not snow in Sisteron?
Does it snow in Sisteron in September?
How many hours of daylight does Sisteron have in September?
When is the sunrise / sunset in September in Sisteron?
How many hours of sunshine does Sisteron have in September?
What is the UV index intensity in September in Sisteron?
Average temperature in September
Sisteron, France
- Average high temperature in September: 22.7°C
The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 10.5°C
The months with the highest average low temperature are July and August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-1.1°C).
Average pressure in September
Sisteron, France
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is December (1019.5mbar).
The month with the lowest atmospheric pressure is April (1014.4mbar).
Average wind speed in September
Sisteron, France
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is March (10.1km/h).
The calmest month (with the lowest average wind speed) is September (8.1km/h).
Average humidity in September
Sisteron, France
- Average humidity in September: 67%
The month with the highest relative humidity is November (76%).
The month with the lowest relative humidity is August (58%).
Average rainfall in September
Sisteron, France
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is July (22mm).
Average rainfall days in September
Sisteron, France
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is August (7.7 days).
Average snowfall in September
Sisteron, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (29mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Sisteron, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sisteron, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).
Average sunshine days in September
Sisteron, France
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is August (21.7 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in September
Sisteron, France
- Average UV index in September: 4
The month with the highest UV index is 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
Sisteron, France
- Average cloud cover in September: 20
The month with the most cloud cover is November (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in September
Sisteron, France
- Average visibility in September: 10km
The months with the highest visibility are March, June, July, August and September (10km).
The months with the lowest visibility are January, February, April, May, October, November and December (9km).
Sisteron, France
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