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 arrival of September corresponds with a light shift in temperature, down from a moderately hot 24°C (75.2°F) in August to an agreeable 20.1°C (68.2°F). Throughout the nights in September, Lappion experiences an average low-temperature of 11°C (51.8°F).Humidity
In September, the average relative humidity in Lappion is 76%.Rainfall
In Lappion, France, in September, it is raining for 9.7 days, with typically 20mm (0.79") of accumulated precipitation. Throughout the year, in Lappion, there are 158.9 rainfall days, and 329mm (12.95") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 36min.On the first day of September, sunrise is at 07:00 and sunset at 20:27. On the last day of the month, sunrise is at 07:43 and sunset at 19:24 CEST.
Sunshine
The average sunshine in September in Lappion is 7.8h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 4 in September translates into these instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. It's recommended to limit sun exposure when its radiation is at its peak during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Lappion?
What is the average humidity in September in Lappion?
How much does it rain in Lappion in September?
When it does not snow in Lappion?
What is the average length of the day in September in Lappion?
When is the sunrise / sunset in September in Lappion?
How many hours of sunshine does Lappion have in September?
How high is the UV index in September in Lappion?
Average temperature in September
Lappion, France
- Average high temperature in September: 20.1°C
The warmest month (with the highest average high temperature) is August (24°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in September
Lappion, France
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in September
Lappion, France
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is February (15.1km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Lappion, France
- Average humidity in September: 76%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Lappion, France
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is December (39mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Lappion, France
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is September (9.7 days).
Average snowfall in September
Lappion, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Lappion, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.9 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
Lappion, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in September
Lappion, France
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is September (17.4 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in September
Lappion, 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
Lappion, France
- Average cloud cover in September: 38
The month with the most cloud cover is December (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 38).
Average visibility in September
Lappion, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, July, August and September (9km).
The months with the lowest visibility are January, May, June, October, November and December (8km).
