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 28.5°C (83.3°F) in August to a still moderately hot 25.1°C (77.2°F). Lannemaignan endures a clear shift from daytime heat to a mean low-temperature of 12.9°C (55.2°F) during September nights.Humidity
The average relative humidity in September in Lannemaignan is 72%.Rainfall
In Lannemaignan, during September, the rain falls for 11.7 days and regularly aggregates up to 33mm (1.3") of precipitation. Throughout the year, there are 177.5 rainfall days, and 528mm (20.79") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day in Lannemaignan is 12h and 31min.On the first day of the month, sunrise is at 07:24 and sunset at 20:36. On the last day of September, sunrise is at 07:57 and sunset at 19:43 CEST.
Sunshine
The average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Heed the precautions - It is counselled to guard against solar damage. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Lannemaignan?
What is the average humidity in September in Lannemaignan?
How many days does it rain in September in Lannemaignan?
When it does not snow in Lannemaignan?
How many hours of daylight does Lannemaignan have in September?
What time are sunrise and sunset in September in Lannemaignan?
How many hours of sunshine does Lannemaignan have in September?
How high is the UV index in September in Lannemaignan?
Average temperature in September
Lannemaignan, France
- Average high temperature in September: 25.1°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (9.8°C).
- Average low temperature in September: 12.9°C
The month with the highest average low temperature is July (15.5°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in September
Lannemaignan, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.6mbar).
Average wind speed in September
Lannemaignan, France
- Average wind speed in September: 6.6km/h
The windiest month (with the highest average wind speed) is March (8.5km/h).
The calmest month (with the lowest average wind speed) is September (6.6km/h).
Average humidity in September
Lannemaignan, France
- Average humidity in September: 72%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Lannemaignan, France
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is November (71mm).
The driest month (with the least rainfall) is August (28mm).
Average rainfall days in September
Lannemaignan, France
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is October (11.5 days).
Average snowfall in September
Lannemaignan, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Lannemaignan, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Lannemaignan, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The months with the least sunshine are January and November (Average sunshine: 5h and 0min).
Average sunshine days in September
Lannemaignan, France
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in September
Lannemaignan, France
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in September
Lannemaignan, France
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in September
Lannemaignan, France
- Average visibility in September: 8km
The months with the highest visibility are May and June (9km).
The month with the lowest visibility is January (7km).
