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
Weather in September
Temperature
With the onset of September, Mortain's average high-temperature clocks in at an enjoyable 18.9°C (66°F), showing a minor fluctuation from the previous month. Mortain, during the month of September, experiences an average low-temperature of 11.4°C (52.5°F).Humidity
The months with the lowest humidity are July through September, with an average relative humidity of 81%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.1 days and typically collects 25mm (0.98") of precipitation.Snowfall
In Mortain, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 07:21 and sunset at 20:45. On the last day of September, sunrise is at 08:02 and sunset at 19:44 CEST.
Sunshine
The average sunshine in September in Mortain, France, is 7.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What are September temperatures in Mortain?
What are the least humid months in Mortain?
What is the average humidity in September in Mortain?
What is the driest month in Mortain?
How much does it rain in Mortain in September?
When it does not snow in Mortain?
How many hours of daylight does Mortain have in September?
When is the sunrise / sunset in September in Mortain?
How long on average sun shines in September in Mortain?
How high is the UV index in September in Mortain?
Average temperature in September
Mortain, France
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (21°C).
The month with the lowest average high temperature is January (7.7°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in September
Mortain, France
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in September
Mortain, France
- Average wind speed in September: 14.4km/h
The windiest month (with the highest average wind speed) is December (20.9km/h).
The calmest month (with the lowest average wind speed) is August (13.2km/h).
Average humidity in September
Mortain, France
- Average humidity in September: 81%
The months with the highest relative humidity are January, November and December (86%).
The months with the lowest relative humidity are July, August and September (81%).
Average rainfall in September
Mortain, France
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is December (80mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in September
Mortain, France
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is January (19.3 days).
The month with the least rainy days is September (13.1 days).
Average snowfall in September
Mortain, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Mortain, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Mortain, 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 24min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and November (Average sunshine: 3h and 54min).
Average sunshine days in September
Mortain, France
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in September
Mortain, France
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Mortain, France
- Average cloud cover in September: 42
The months with the most cloud cover are January and November (Cloud cover 61).
The months with the least cloud cover are July and September (Cloud cover 42).
Average visibility in September
Mortain, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Mortain, France
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