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
With the start of September, Saint-Hilaire-du-Harcouët measures an average high-temperature of an enjoyable 19.2°C (66.6°F), not significantly differing from August's 20.3°C (68.5°F). Saint-Hilaire-du-Harcouët experiences an average low-temperature of 13°C (55.4°F) in the month of September.Humidity
September is the least humid month in Saint-Hilaire-du-Harcouët, France, with an average relative humidity of 78%.Rainfall
The months with the least rainfall in Saint-Hilaire-du-Harcouët are July and September Rain falls for 11.4 days and accumulates 21mm (0.83") of rain.Snowfall
April through October are months without snowfall in Saint-Hilaire-du-Harcouët, France.Daylight
The average length of the day in September in Saint-Hilaire-du-Harcouët is 12h and 35min.On the first day of September, sunrise is at 07:22 and sunset at 20:46. On the last day of the month, sunrise is at 08:03 and sunset at 19:45 CEST.
Sunshine
The average sunshine in September is 7.5h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during September leads to these instructions:
Be vigilant - Suggestions to stave off sun damage are provided. It's recommended to limit sun exposure when its radiation is at its peak during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Saint-Hilaire-du-Harcouët?
What is the least humid month in Saint-Hilaire-du-Harcouët?
What is the average humidity in September in Saint-Hilaire-du-Harcouët?
What is the driest month in Saint-Hilaire-du-Harcouët?
How many days does it rain in September in Saint-Hilaire-du-Harcouët?
When it does not snow in Saint-Hilaire-du-Harcouët?
What is the average length of the day in September in Saint-Hilaire-du-Harcouët?
When is the sunrise / sunset in September in Saint-Hilaire-du-Harcouët?
How long on average sun shines in September in Saint-Hilaire-du-Harcouët?
What is the UV index reading in September in Saint-Hilaire-du-Harcouët?
Average temperature in September
Saint-Hilaire-du-Harcouët, France
- Average high temperature in September: 19.2°C
The warmest months (with the highest average high temperature) are July and August (20.3°C).
The months with the lowest average high temperature are January and February (8.7°C).
- Average low temperature in September: 13°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in September
Saint-Hilaire-du-Harcouët, 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 (1012.3mbar).
Average wind speed in September
Saint-Hilaire-du-Harcouët, France
- Average wind speed in September: 16.7km/h
The windiest month (with the highest average wind speed) is December (24.9km/h).
The calmest month (with the lowest average wind speed) is August (15.5km/h).
Average humidity in September
Saint-Hilaire-du-Harcouët, France
- Average humidity in September: 78%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is September (78%).
Average rainfall in September
Saint-Hilaire-du-Harcouët, France
- Average rainfall in September: 21mm
The wettest months (with the highest rainfall) are November and December (74mm).
The driest months (with the least rainfall) are July and September (21mm).
Average rainfall days in September
Saint-Hilaire-du-Harcouët, France
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is November (19.3 days).
The month with the least rainy days is July (10.8 days).
Average snowfall in September
Saint-Hilaire-du-Harcouët, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Saint-Hilaire-du-Harcouët, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Saint-Hilaire-du-Harcouët, 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 24min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Saint-Hilaire-du-Harcouët, France
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is July (17.5 days).
The month with the least sunshine days is November (8.2 days).
Average UV index in September
Saint-Hilaire-du-Harcouët, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in September
Saint-Hilaire-du-Harcouët, France
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and September (Cloud cover 38).
Average visibility in September
Saint-Hilaire-du-Harcouët, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January and November (9km).
