September weather forecastLételon, France
September
Weather in September
September, the first month of the autumn in Lételon, is also an agreeable month, with an average temperature fluctuating between 10.2°C (50.4°F) and 21°C (69.8°F).Temperature
The advent of September brings a subtle shift in temperature, with the average high moving from a moderately hot 24.7°C (76.5°F) in August to an agreeable 21°C (69.8°F). Lételon's nighttime temperature in September falls to an average of 10.2°C (50.4°F).Humidity
In Lételon, the average relative humidity in September is 75%.Rainfall
In Lételon, in September, during 11.8 rainfall days, 38mm (1.5") of precipitation is typically accumulated. Throughout the year, there are 189.9 rainfall days, and 575mm (22.64") of precipitation is accumulated.Snowfall
April, June through September are months without snowfall in Lételon.Daylight
In September, the average length of the day in Lételon is 12h and 33min.On the first day of the month, sunrise is at 07:10 and sunset at 20:28. On the last day of September, in Lételon, sunrise is at 07:47 and sunset at 19:31 CEST.
Sunshine
In September, the average sunshine is 8h.UV index
In Lételon, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lételon, France
- Average high temperature in September: 21°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in September: 10.2°C
The months with the highest average low temperature are July and August (13.3°C).
The coldest month (with the lowest average low temperature) is February (0°C).
Average pressure in September
Lételon, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is November (1015.2mbar).
Average wind speed in September
Lételon, France
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is February (14.3km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in September
Lételon, France
- Average humidity in September: 75%
The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Lételon, France
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is August (34mm).
Average rainfall days in September
Lételon, France
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is September (11.8 days).
Average snowfall in September
Lételon, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (42mm).
The months with the least snowfall are April, June, July, August and September (0mm).
Average snowfall days in September
Lételon, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lételon, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Lételon, France
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is May (7.7 days).
Average UV index in September
Lételon, 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
Lételon, France
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Lételon, France
- Average visibility in September: 9km
The months with the highest visibility are March, August and September (9km).
The months with the lowest visibility are January, February, April, May, June, July, October, November and December (8km).
