September weather forecastAmpuis, France
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Ampuis, France, with an average temperature varying between 21.5°C (70.7°F) and 11.1°C (52°F).Temperature
In September, the meteorological conditions change slightly, with the average high-temperature moving from a moderately hot 26°C (78.8°F) in August to an agreeable 21.5°C (70.7°F). Ampuis's average low-temperature in the month of September is recorded at a cool 11.1°C (52°F).Humidity
The average relative humidity in September in Ampuis is 76%.Rainfall
In Ampuis, during September, the rain falls for 10.2 days and regularly aggregates up to 31mm (1.22") of precipitation. In Ampuis, during the entire year, the rain falls for 151.5 days and collects up to 504mm (19.84") of precipitation.Snowfall
April through September are months without snowfall in Ampuis.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September, sunrise is at 07:02 and sunset at 20:18. On the last day of the month, sunrise is at 07:38 and sunset at 19:22 CEST.
Sunshine
In September, the average sunshine in Ampuis, France, is 8.3h.UV index
In Ampuis, France, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ampuis, France
- Average high temperature in September: 21.5°C
The warmest month (with the highest average high temperature) is August (26°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is July (14.4°C).
The coldest months (with the lowest average low temperature) are January and February (0.2°C).
Average pressure in September
Ampuis, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Ampuis, France
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is February (12.6km/h).
The calmest month (with the lowest average wind speed) is September (9.2km/h).
Average humidity in September
Ampuis, France
- Average humidity in September: 76%
The month with the highest relative humidity is December (86%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Ampuis, France
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is November (56mm).
The driest month (with the least rainfall) is February (25mm).
Average rainfall days in September
Ampuis, France
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is September (10.2 days).
Average snowfall in September
Ampuis, France
- Average snowfall in September: 0mm
The month with the highest snowfall is November (79mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Ampuis, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ampuis, 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: 8h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Ampuis, France
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is August (17.4 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in September
Ampuis, France
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Ampuis, France
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Ampuis, France
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May, June, July and August (9km).
The months with the lowest visibility are January, September, October, November and December (8km).





