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
Weather in September
Temperature
The onset of September is marked by a minor decrease in temperature, transitioning from a moderately hot 23.3°C (73.9°F) in August to a pleasant 20.2°C (68.4°F). In La Heunière, an average temperature of 10.8°C (51.4°F) is noted during September nights.Humidity
In September, the average relative humidity is 77%.Rainfall
September is the month with the least rainfall in La Heunière. Rain falls for 9.7 days and accumulates 19mm (0.75") of precipitation.Snowfall
May through October are months without snowfall in La Heunière.Daylight
In La Heunière, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 07:11 and sunset at 20:36. On the last day of September, sunrise is at 07:53 and sunset at 19:35 CEST.
Sunshine
The average sunshine in September is 7.4h.UV index
In La Heunière, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What is the temperature in September in La Heunière?
What is the average humidity in September in La Heunière?
What is the driest month in La Heunière?
How many days does it rain in September in La Heunière?
When it does not snow in La Heunière?
What is the average length of the day in September in La Heunière?
What time are sunrise and sunset in September in La Heunière?
How long on average sun shines in September in La Heunière?
What is the UV index intensity in September in La Heunière?
Average temperature in September
La Heunière, France
- Average high temperature in September: 20.2°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (13.2°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in September
La Heunière, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is September (1018.1mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed in September
La Heunière, France
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is February (17.4km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
La Heunière, France
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
La Heunière, France
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is June (48mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in September
La Heunière, France
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is January (14.8 days).
The month with the least rainy days is September (9.7 days).
Average snowfall in September
La Heunière, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (21mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
La Heunière, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
La Heunière, 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: 7h and 2min
The months with the most sunshine are June and July (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
La Heunière, France
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is September (17.8 days).
The month with the least sunshine days is January (11.6 days).
Average UV index in September
La Heunière, 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, February, November and December (UV index 2).
Average cloud cover in September
La Heunière, France
- Average cloud cover in September: 41
The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 41).
Average visibility in September
La Heunière, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, July, August, September, October and December (9km).
The months with the lowest visibility are January, May, June and November (8km).
La Heunière, France
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