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
September implies a soft temperature shift, with average high-temperatures reducing from August's 27.8°C (82°F) to a still warm 24.4°C (75.9°F). Dému, during the month of September, experiences an average low-temperature of 13.2°C (55.8°F).Humidity
In September, the average relative humidity is 68%.Rainfall
September is the month with the least rainfall. Rain falls for 9.9 days and accumulates 22mm (0.87") of precipitation.Snowfall
In Dému, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 30min.On the first day of September, sunrise is at 07:23 and sunset at 20:34. On the last day of the month, sunrise is at 07:56 and sunset at 19:41 CEST.
Sunshine
In September, the average sunshine in Dému is 8.7h.UV index
The average daily maximum UV index in September in Dému is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 during September translates into the following guidance:
Act with care - The suggestion to avoid sunburn is emphasized. To guard against the harmful effects of the Sun, minimize exposure during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What are the temperatures in Dému in September?
What is the average humidity in September in Dému?
What is the driest month in Dému?
How many days does it rain in September in Dému?
When it does not snow in Dému?
How many hours of daylight does Dému have in September?
When is the sunrise / sunset in September in Dému?
How many hours of sunshine does Dému have in September?
What is the UV index reading in September in Dému?
Average temperature in September
Dému, France
- Average high temperature in September: 24.4°C
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in September: 13.2°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in September
Dému, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Dému, France
- Average wind speed in September: 8.7km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is September (8.7km/h).
Average humidity in September
Dému, France
- Average humidity in September: 68%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Dému, France
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is May (52mm).
The driest month (with the least rainfall) is September (22mm).
Average rainfall days in September
Dému, France
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is September (9.9 days).
Average snowfall in September
Dému, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Dému, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.1 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
Dému, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Dému, France
- Average sunshine days in September: 18.2 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in September
Dému, France
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and November (UV index 2).
Average cloud cover in September
Dému, France
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in September
Dému, 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).
Dému, France
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