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 transition to September results in a modest reduction in average high-temperature, moving from a moderately hot 23.4°C (74.1°F) in August to a comfortable 19.5°C (67.1°F). In Lachaussée, an average low-temperature of 9.5°C (49.1°F) is recorded during September nights.Humidity
The average relative humidity in September is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 11 days and typically collects 35mm (1.38") of precipitation.Snowfall
In Lachaussée, snow does not fall in April through October.Daylight
In Lachaussée, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:54 and sunset at 20:19. On the last day of September, sunrise is at 07:35 and sunset at 19:17 CEST.
Sunshine
In Lachaussée, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. 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 usual temperature for Lachaussée in September?
What is the average humidity in September in Lachaussée?
What is the driest month in Lachaussée?
How much does it rain in Lachaussée in September?
When it does not snow in Lachaussée?
What is the average length of the day in September in Lachaussée?
When are sunrise and sunset in September in Lachaussée?
How long on average sun shines in September in Lachaussée?
How high is the UV index in September in Lachaussée?
Average temperature in September
Lachaussée, France
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-0.6°C).
Average pressure in September
Lachaussée, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1014.6mbar).
Average wind speed in September
Lachaussée, France
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is February (16.1km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).
Average humidity in September
Lachaussée, France
- Average humidity in September: 79%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Lachaussée, France
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is September (35mm).
Average rainfall days in September
Lachaussée, France
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is September (11 days).
Average snowfall in September
Lachaussée, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (57mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Lachaussée, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lachaussée, 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 18min).
- Average sunshine in September: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Lachaussée, France
- Average sunshine days in September: 17 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in September
Lachaussée, 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
Lachaussée, France
- Average cloud cover in September: 37
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Lachaussée, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, June, July, August and September (9km).
The months with the lowest visibility are January, May, October, November and December (8km).
