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
September heralds a minor drop in average high-temperature, sliding from August's moderately hot 23.8°C (74.8°F) to a pleasant 20.3°C (68.5°F). In the month of September, an average of 10.9°C (51.6°F) marks the low-temperature in Lachelle.Humidity
In September, the average relative humidity is 76%.Rainfall
September is the month with the least rainfall in Lachelle, France. Rain falls for 13 days and accumulates 28mm (1.1") of precipitation.Snowfall
April through October are months without snowfall in Lachelle.Daylight
In Lachelle, the average length of the day in September is 12h and 36min.On the first day of the month, sunrise is at 07:05 and sunset at 20:32. On the last day of September, in Lachelle, France, sunrise is at 07:48 and sunset at 19:29 CEST.
Sunshine
The average sunshine in September in Lachelle is 7.6h.UV index
In Lachelle, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Lachelle in September?
What is the average humidity in September in Lachelle?
What is the driest month in Lachelle?
How much does it rain in Lachelle in September?
When it does not snow in Lachelle?
What is the average length of the day in September in Lachelle?
What time are sunrise and sunset in September in Lachelle?
How many hours of sunshine does Lachelle have in September?
What is the UV index reading in September in Lachelle?
Average temperature in September
Lachelle, France
- Average high temperature in September: 20.3°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in September
Lachelle, France
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in September
Lachelle, France
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is February (16.2km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in September
Lachelle, France
- Average humidity in September: 76%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Lachelle, France
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in September
Lachelle, France
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is September (13 days).
Average snowfall in September
Lachelle, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (38mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Lachelle, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.8 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
Lachelle, 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 4min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Lachelle, France
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is September (13.6 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in September
Lachelle, 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
Lachelle, France
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility in September
Lachelle, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).
