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 is characterized by a mild reduction in the average high-temperature, from a moderately hot 25.1°C (77.2°F) in August to an agreeable 20.5°C (68.9°F). The month of September records an average low-temperature of 10.1°C (50.2°F) in Le Grand-Lemps.Humidity
In September, the average relative humidity in Le Grand-Lemps is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 34mm (1.34") of precipitation.Snowfall
In Le Grand-Lemps, France, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 07:00 and sunset at 20:15. On the last day of September, in Le Grand-Lemps, France, sunrise is at 07:35 and sunset at 19:20 CEST.
Sunshine
The average sunshine in September in Le Grand-Lemps is 8.5h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 4 in September transforms into this advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Le Grand-Lemps?
What is the average humidity in September in Le Grand-Lemps?
What is the driest month in Le Grand-Lemps?
How many days does it rain in September in Le Grand-Lemps?
When it does not snow in Le Grand-Lemps?
Does it snow in Le Grand-Lemps in September?
What is the average length of the day in September in Le Grand-Lemps?
When are sunrise and sunset in September in Le Grand-Lemps?
How long on average sun shines in September in Le Grand-Lemps?
What is the UV index intensity in September in Le Grand-Lemps?
Average temperature in September
Le Grand-Lemps, France
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is August (25.1°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in September
Le Grand-Lemps, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Le Grand-Lemps, France
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is February (10.5km/h).
The calmest month (with the lowest average wind speed) is September (7.7km/h).
Average humidity in September
Le Grand-Lemps, France
- Average humidity in September: 79%
The months with the highest relative humidity are January, November and December (85%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Le Grand-Lemps, France
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is November (67mm).
The driest month (with the least rainfall) is September (34mm).
Average rainfall days in September
Le Grand-Lemps, France
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is August (11 days).
Average snowfall in September
Le Grand-Lemps, France
- Average snowfall in September: 0mm
The month with the highest snowfall is November (92mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Le Grand-Lemps, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Le Grand-Lemps, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Le Grand-Lemps, France
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in September
Le Grand-Lemps, 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
Le Grand-Lemps, France
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Le Grand-Lemps, 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).
