September weather forecastSériers, France
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Sériers, France, with an average temperature varying between 20.2°C (68.4°F) and 8.8°C (47.8°F).Temperature
September ushers in a minor alteration in Sériers's climate, with the average high-temperature moving from August's moderately hot 24.7°C (76.5°F) to an agreeable 20.2°C (68.4°F). Nighttime temperatures in September average to a frosty 8.8°C (47.8°F) in Sériers.Humidity
In Sériers, the average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall in Sériers. Rain falls for 10.5 days and accumulates 25mm (0.98") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Sériers, France, is 12h and 31min.On the first day of September in Sériers, sunrise is at 07:10 and sunset at 20:24. On the last day of the month, sunrise is at 07:45 and sunset at 19:30 CEST.
Sunshine
The average sunshine in September in Sériers is 8.2h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sériers, France
- Average high temperature in September: 20.2°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (5.1°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is July (11.9°C).
The coldest month (with the lowest average low temperature) is February (-1.5°C).
Average pressure in September
Sériers, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.5mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Sériers, France
- Average wind speed in September: 7.2km/h
The windiest month (with the highest average wind speed) is March (9.7km/h).
The calmest month (with the lowest average wind speed) is August (6.9km/h).
Average humidity in September
Sériers, France
- Average humidity in September: 76%
The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Sériers, France
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is November (66mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in September
Sériers, France
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in September
Sériers, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sériers, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sériers, 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 12min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January and November (Average sunshine: 4h and 18min).
Average sunshine days in September
Sériers, France
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in September
Sériers, 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
Sériers, France
- Average cloud cover in September: 38
The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Sériers, France
- Average visibility in September: 8km
The months with the highest visibility are March, June, July, August and September (8km).
The months with the lowest visibility are January, February, April, May, October, November and December (7km).





