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
During September, Lanhélin observes a subtle ascent to a comfortable 19.7°C (67.5°F) from August's 21.3°C (70.3°F) in the average high-temperature. During September in Lanhélin, France, the average low-temperature is recorded at a fresh 12.5°C (54.5°F).Humidity
The least humid month is September, with an average relative humidity of 78%.Rainfall
September is the month with the least rainfall in Lanhélin. Rain falls for 14.3 days and accumulates 28mm (1.1") of precipitation.Snowfall
In Lanhélin, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 35min.On the first day of September in Lanhélin, France, sunrise is at 07:25 and sunset at 20:48. On the last day of the month, sunrise is at 08:06 and sunset at 19:48 CEST.
Sunshine
The average sunshine in September is 7.4h.UV index
In Lanhélin, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Suggestions to elude sunburn are provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Lanhélin?
What is the least humid month in Lanhélin?
What is the average humidity in September in Lanhélin?
What is the driest month in Lanhélin?
How many days does it rain in September in Lanhélin?
When it does not snow in Lanhélin?
What is the average length of the day in September in Lanhélin?
When is the sunrise / sunset in September in Lanhélin?
How long on average sun shines in September in Lanhélin?
What is the UV index intensity in September in Lanhélin?
Average temperature in September
Lanhélin, France
- Average high temperature in September: 19.7°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (8.7°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).
Average pressure in September
Lanhélin, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1012.4mbar).
Average wind speed in September
Lanhélin, France
- Average wind speed in September: 15.3km/h
The windiest month (with the highest average wind speed) is December (22.3km/h).
The calmest month (with the lowest average wind speed) is August (14.3km/h).
Average humidity in September
Lanhélin, France
- Average humidity in September: 78%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is September (78%).
Average rainfall in September
Lanhélin, France
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is November (72mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in September
Lanhélin, France
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is January (20.2 days).
The month with the least rainy days is September (14.3 days).
Average snowfall in September
Lanhélin, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (11mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Lanhélin, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Lanhélin, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Lanhélin, France
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is September (12.5 days).
The months with the least sunshine days are January and November (6.6 days).
Average UV index in September
Lanhélin, France
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in September
Lanhélin, France
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 39).
Average visibility in September
Lanhélin, France
- Average visibility in September: 9km
The month with the highest visibility is March (10km).
The months with the lowest visibility are January, February, April, May, June, July, August, September, October, November and December (9km).
