September weather forecastAttin, France
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Attin, France, with an average temperature varying between 18.1°C (64.6°F) and 13.2°C (55.8°F).Temperature
Attin observes a minor difference in average high-temperatures between August's 19.8°C (67.6°F) and September's 18.1°C (64.6°F). Attin records a consistent average nighttime temperature of 13.2°C (55.8°F) in September, slightly lower than the daytime high.Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 79%.Rainfall
In Attin, France, during September, the rain falls for 14.5 days and regularly aggregates up to 46mm (1.81") of precipitation. In Attin, France, during the entire year, the rain falls for 191.1 days and collects up to 621mm (24.45") of precipitation.Snowfall
April through October are months without snowfall in Attin, France.Daylight
In September, the average length of the day in Attin is 12h and 37min.On the first day of September in Attin, sunrise is at 07:08 and sunset at 20:37. On the last day of the month, sunrise is at 07:52 and sunset at 19:33 CEST.
Sunshine
In September, the average sunshine is 7.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Attin, France
- Average high temperature in September: 18.1°C
The warmest month (with the highest average high temperature) is August (19.8°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 13.2°C
The month with the highest average low temperature is August (15.2°C).
The coldest months (with the lowest average low temperature) are January and February (3.7°C).
Average pressure in September
Attin, France
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).
Average wind speed in September
Attin, France
- Average wind speed in September: 18.2km/h
The windiest month (with the highest average wind speed) is December (25.6km/h).
The calmest months (with the lowest average wind speed) are July and August (17.2km/h).
Average humidity in September
Attin, France
- Average humidity in September: 79%
The months with the highest relative humidity are January, November and December (84%).
The months with the lowest relative humidity are August and September (79%).
Average rainfall in September
Attin, France
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is December (83mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Attin, France
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is November (18.5 days).
The month with the least rainy days is April (13.3 days).
Average snowfall in September
Attin, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Attin, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Attin, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 7h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is November (Average sunshine: 3h and 48min).
Average sunshine days in September
Attin, France
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is April (14.3 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in September
Attin, France
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in September
Attin, France
- Average cloud cover in September: 43
The month with the most cloud cover is November (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 40).
Average visibility in September
Attin, France
- Average visibility in September: 10km
The months with the highest visibility are March, April, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, May, November and December (9km).
