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
Autrêches observes a small decrease in the average high-temperature with the arrival of September, falling from August's warm 23.8°C (74.8°F) to a pleasant 20.5°C (68.9°F). The nighttime temperature dips to a fresh 11°C (51.8°F) on average during September.Humidity
The average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 32mm (1.26") of precipitation.Snowfall
In Autrêches, snow does not fall in April through October.Daylight
The average length of the day in September in Autrêches is 12h and 36min.On the first day of September, sunrise is at 07:04 and sunset at 20:30. On the last day of the month, sunrise is at 07:46 and sunset at 19:28 CEST.
Sunshine
The average sunshine in September in Autrêches is 7.5h.UV index
The average daily maximum UV index in September in Autrêches is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What are the temperatures in Autrêches in September?
What is the average humidity in September in Autrêches?
What is the driest month in Autrêches?
How many days does it rain in September in Autrêches?
When it does not snow in Autrêches?
How many hours of daylight does Autrêches have in September?
When are sunrise and sunset in September in Autrêches?
How long on average sun shines in September in Autrêches?
What is the UV index reading in September in Autrêches?
Average temperature in September
Autrêches, France
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in September
Autrêches, France
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in September
Autrêches, France
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is February (16.2km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in September
Autrêches, France
- Average humidity in September: 76%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Autrêches, France
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is September (32mm).
Average rainfall days in September
Autrêches, France
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is September (13.3 days).
Average snowfall in September
Autrêches, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (38mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Autrêches, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.8 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
Autrêches, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in September
Autrêches, France
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is September (13.7 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in September
Autrêches, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Autrêches, France
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Autrêches, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).
Autrêches, France
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