September weather forecastAuthumes, France
September
Weather in September
September, the first month of the autumn in Authumes, is still a pleasant month, with an average temperature varying between 20.5°C (68.9°F) and 10.2°C (50.4°F).Temperature
In Authumes, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's moderately hot 25°C (77°F) to an agreeable 20.5°C (68.9°F). During the month of September, the nighttime temperature falls to an average of 10.2°C (50.4°F).Humidity
The average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 11.6 days and accumulates 30mm (1.18") of precipitation.Snowfall
In Authumes, France, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 06:59 and sunset at 20:18. On the last day of September, in Authumes, France, sunrise is at 07:36 and sunset at 19:20 CEST.
Sunshine
The average sunshine in September is 8.5h.UV index
In Authumes, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. When the Sun is at its strongest around midday, find shade and limit exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Authumes, France
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 10.2°C
The months with the highest average low temperature are July and August (13.3°C).
The coldest months (with the lowest average low temperature) are January and February (-0.5°C).
Average pressure in September
Authumes, France
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Authumes, France
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is February (11km/h).
The calmest month (with the lowest average wind speed) is August (7.3km/h).
Average humidity in September
Authumes, France
- Average humidity in September: 80%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Authumes, France
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (83mm).
The driest month (with the least rainfall) is September (30mm).
Average rainfall days in September
Authumes, France
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in September
Authumes, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (61mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Authumes, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5 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
Authumes, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 36min).
Average sunshine days in September
Authumes, France
- Average sunshine days in September: 16 days
The months with the most sunshine days are September and October (16 days).
The month with the least sunshine days is June (10 days).
Average UV index in September
Authumes, 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
Authumes, France
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Authumes, France
- Average visibility in September: 8km
The month with the highest visibility is August (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (8km).
