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 start of September involves a subtle temperature drop, shifting from a warm 24.4°C (75.9°F) in August to an agreeable 20.7°C (69.3°F). In Mortcerf, an average low-temperature of 11.5°C (52.7°F) is recorded during September nights.Humidity
In September, the average relative humidity is 74%.Rainfall
September is the month with the least rainfall. Rain falls for 11.2 days and accumulates 24mm (0.94") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 35min.On the first day of the month, sunrise is at 07:05 and sunset at 20:30. On the last day of September, sunrise is at 07:47 and sunset at 19:29 CEST.
Sunshine
In September, the average sunshine in Mortcerf is 7.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Mortcerf in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow in Mortcerf?
How many hours of daylight does Mortcerf have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Mortcerf, France
- Average high temperature in September: 20.7°C
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in September
Mortcerf, 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
Mortcerf, France
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is February (15.6km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in September
Mortcerf, France
- Average humidity in September: 74%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Mortcerf, France
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in September
Mortcerf, France
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is September (11.2 days).
Average snowfall in September
Mortcerf, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (28mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Mortcerf, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Mortcerf, France
- Average daylight in September: 12h and 4min
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 18min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Mortcerf, France
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in September
Mortcerf, 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
Mortcerf, 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
Mortcerf, 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).
