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's arrival comes with a mild decrease in the average high-temperature, moving subtly from a warm 23.8°C (74.8°F) in August to a comfortable 19.5°C (67.1°F). During September, Liéhon sees a mean low-temperature of 9.9°C (49.8°F).Humidity
In September, the average relative humidity in Liéhon is 78%.Rainfall
In Liéhon, France, in September, during 10.9 rainfall days, 39mm (1.54") of precipitation is typically accumulated. Throughout the year, in Liéhon, there are 171.2 rainfall days, and 558mm (21.97") of precipitation is accumulated.Snowfall
April through September are months without snowfall in Liéhon.Daylight
In Liéhon, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:52 and sunset at 20:17. On the last day of September, sunrise is at 07:33 and sunset at 19:15 CEST.
Sunshine
The average sunshine in September in Liéhon is 8.2h.UV index
The average daily maximum UV index in September in Liéhon is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Liéhon in September?
What is the average humidity in September in Liéhon?
How many days does it rain in September in Liéhon?
When it does not snow in Liéhon?
Does it snow in Liéhon in September?
How many hours of daylight does Liéhon have in September?
When is the sunrise / sunset in September in Liéhon?
How long on average sun shines in September in Liéhon?
How high is the UV index in September in Liéhon?
Average temperature in September
Liéhon, France
- Average high temperature in September: 19.5°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 (3.7°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).
Average pressure in September
Liéhon, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1019mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).
Average wind speed in September
Liéhon, France
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is February (15.7km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in September
Liéhon, France
- Average humidity in September: 78%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Liéhon, France
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in September
Liéhon, France
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is September (10.9 days).
Average snowfall in September
Liéhon, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (61mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Liéhon, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.5 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
Liéhon, 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 month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Liéhon, France
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is December (9.7 days).
Average UV index in September
Liéhon, France
- Average UV index in September: 3
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
Liéhon, France
- Average cloud cover in September: 38
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Liéhon, 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).
