September weather forecastMelun, France
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Melun, France, with an average temperature fluctuating between 11.7°C (53.1°F) and 20.9°C (69.6°F).Temperature
Melun's weather subtly changes with the onset of September, barely falling from a warm 24.8°C (76.6°F) in August to an agreeable 20.9°C (69.6°F). Melun's temperature drops to an average low of 11.7°C (53.1°F) during the nights of September.Humidity
The average relative humidity in September is 73%.Rainfall
September is the month with the least rainfall in Melun. Rain falls for 11.7 days and accumulates 26mm (1.02") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Melun is 12h and 35min.On the first day of September in Melun, France, sunrise is at 07:07 and sunset at 20:31. On the last day of the month, sunrise is at 07:48 and sunset at 19:30 CEST.
Sunshine
In September, the average sunshine is 7.8h.UV index
In Melun, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Melun, France
- Average high temperature in September: 20.9°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in September
Melun, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in September
Melun, France
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in September
Melun, France
- Average humidity in September: 73%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Melun, France
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is June (64mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in September
Melun, France
- Average rainfall days in September: 11.7 days
The months with the highest number of rainy days are May and June (18.7 days).
The month with the least rainy days is September (11.7 days).
Average snowfall in September
Melun, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Melun, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.7 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
Melun, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Melun, France
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in September
Melun, 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
Melun, France
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 36).
Average visibility in September
Melun, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
