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
The arrival of September signals a subtle shift in temperature, down from an agreeable 20.3°C (68.5°F) in August to a comfortable 16.4°C (61.5°F). Mérial observes an average nighttime low-temperature of 5.9°C (42.6°F) during the month of September.Humidity
The average relative humidity in September in Mérial is 78%.Rainfall
In September, in Mérial, the rain falls for 13.7 days. Throughout September, 55mm (2.17") of precipitation is accumulated. In Mérial, during the entire year, the rain falls for 159.6 days and collects up to 836mm (32.91") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Mérial is 12h and 29min.On the first day of the month, sunrise is at 07:17 and sunset at 20:26. On the last day of September, in Mérial, sunrise is at 07:48 and sunset at 19:35 CEST.
Sunshine
In Mérial, the average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September in Mérial, France, is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 3 in September translates into this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What are the temperatures in Mérial in September?
What is the average humidity in September in Mérial?
How much does it rain in Mérial in September?
When it does not snow in Mérial?
Does it snow in Mérial in September?
How many hours of daylight does Mérial have in September?
When is the sunrise / sunset in September in Mérial?
How many hours of sunshine does Mérial have in September?
What is the UV index reading in September in Mérial?
Average temperature in September
Mérial, France
- Average high temperature in September: 16.4°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 5.9°C
The month with the highest average low temperature is August (9.4°C).
The coldest month (with the lowest average low temperature) is February (-6°C).
Average pressure in September
Mérial, France
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in September
Mérial, France
- Average wind speed in September: 6.6km/h
The windiest month (with the highest average wind speed) is February (10.5km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).
Average humidity in September
Mérial, France
- Average humidity in September: 78%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is July (73%).
Average rainfall in September
Mérial, France
- Average rainfall in September: 55mm
The wettest month (with the highest rainfall) is April (96mm).
The driest month (with the least rainfall) is February (35mm).
Average rainfall days in September
Mérial, France
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is April (19.5 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in September
Mérial, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (482mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Mérial, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mérial, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and November (Average sunshine: 5h and 42min).
Average sunshine days in September
Mérial, France
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is April (7.2 days).
Average UV index in September
Mérial, France
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Mérial, France
- Average cloud cover in September: 37
The month with the most cloud cover is April (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Mérial, France
- Average visibility in September: 8km
The month with the highest visibility is December (9km).
The month with the lowest visibility is April (7km).
Mérial, France
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