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
September
Weather in September
Temperature
The onset of September aligns with a soft reduction in the average high-temperature, gently falling from a warm 25°C (77°F) in August to a pleasant 20.5°C (68.9°F). In Les Deux-Fays, in September, the average low-temperature is a fresh 10.2°C (50.4°F).Humidity
In September, the average relative humidity in Les Deux-Fays is 80%.Rainfall
The month with the least rainfall in Les Deux-Fays, France, is September, when the rain falls for 11.6 days and typically collects 30mm (1.18") of precipitation.Snowfall
In Les Deux-Fays, 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 September, sunrise is at 06:58 and sunset at 20:17. On the last day of the month, sunrise is at 07:36 and sunset at 19:19 CEST.
Sunshine
In September, the average sunshine in Les Deux-Fays, France, is 8.5h.UV index
In Les Deux-Fays, 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 exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Les Deux-Fays?
What is the average humidity in September in Les Deux-Fays?
What is the driest month in Les Deux-Fays?
How much does it rain in Les Deux-Fays in September?
When it does not snow in Les Deux-Fays?
Does it snow in Les Deux-Fays in September?
How many hours of daylight does Les Deux-Fays have in September?
When are sunrise and sunset in September in Les Deux-Fays?
How many hours of sunshine does Les Deux-Fays have in September?
What is the UV index intensity in September in Les Deux-Fays?
Average temperature in September
Les Deux-Fays, 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
Les Deux-Fays, 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
Les Deux-Fays, 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
Les Deux-Fays, 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
Les Deux-Fays, 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
Les Deux-Fays, 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
Les Deux-Fays, 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
Les Deux-Fays, 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
Les Deux-Fays, France
- Average daylight in September: 12h and 4min
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 3min
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
Les Deux-Fays, 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
Les Deux-Fays, 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
Les Deux-Fays, 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
Les Deux-Fays, 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).
