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
A modest decline in the average high-temperature is seen during September, decreasing from a warm 24.2°C (75.6°F) in August to a pleasant 20°C (68°F). Throughout September, the nighttime temperature in La Demie, France, averages to a chilly 9.5°C (49.1°F).Humidity
The average relative humidity in September is 81%.Rainfall
The month with the least rainfall in La Demie is September, when the rain falls for 11.5 days and typically collects 30mm (1.18") of precipitation.Snowfall
April through September are months without snowfall in La Demie.Daylight
The average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 06:54 and sunset at 20:15. On the last day of September, sunrise is at 07:33 and sunset at 19:16 CEST.
Sunshine
In September, the average sunshine is 8.6h.UV index
In September, the average daily maximum UV index in La Demie is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Make use of precautions - It is urged to ward off sun damage. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for La Demie in September?
What is the average humidity in September in La Demie?
What is the driest month in La Demie?
How much does it rain in La Demie in September?
When it does not snow in La Demie?
Does it snow in La Demie in September?
How many hours of daylight does La Demie have in September?
When are sunrise and sunset in September in La Demie?
How many hours of sunshine does La Demie have in September?
What is the UV index reading in September in La Demie?
Average temperature in September
La Demie, France
- Average high temperature in September: 20°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (4.2°C).
- Average low temperature in September: 9.5°C
The months with the highest average low temperature are July and August (13°C).
The coldest month (with the lowest average low temperature) is January (-0.5°C).
Average pressure in September
La Demie, France
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is November (1015.4mbar).
Average wind speed in September
La Demie, France
- Average wind speed in September: 8.7km/h
The windiest month (with the highest average wind speed) is February (13.1km/h).
The calmest month (with the lowest average wind speed) is August (7.9km/h).
Average humidity in September
La Demie, France
- Average humidity in September: 81%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (78%).
Average rainfall in September
La Demie, France
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (84mm).
The driest month (with the least rainfall) is September (30mm).
Average rainfall days in September
La Demie, France
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in September
La Demie, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (81mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
La Demie, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
La Demie, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in September
La Demie, France
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is June (7.9 days).
Average UV index in September
La Demie, France
- Average UV index in September: 4
The months with the highest UV index are June and 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
La Demie, France
- Average cloud cover in September: 34
The month with the most cloud cover is December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
La Demie, France
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, July and August (9km).
The months with the lowest visibility are January, May, June, September, October, November and December (8km).
