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
The advent of September brings a subtle shift in temperature, with the average high moving from a pleasant 22.9°C (73.2°F) in August to a refreshing 19.6°C (67.3°F). During the nights in September, the temperature in Hétomesnil averages to a cool 10.5°C (50.9°F).Humidity
The average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 21mm (0.83") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Hétomesnil is 12h and 36min.On the first day of the month, sunrise is at 07:08 and sunset at 20:35. On the last day of September, in Hétomesnil, sunrise is at 07:51 and sunset at 19:32 CEST.
Sunshine
The average sunshine in September in Hétomesnil is 7.3h.UV index
In Hétomesnil, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 suggests this advice:
Exercise prevention - Protecting skin and eyes from harm is required. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Hétomesnil in September?
What is the average humidity in September in Hétomesnil?
What is the driest month in Hétomesnil?
How much does it rain in Hétomesnil in September?
When it does not snow in Hétomesnil?
How many hours of daylight does Hétomesnil have in September?
When are sunrise and sunset in September in Hétomesnil?
How many hours of sunshine does Hétomesnil have in September?
How high is the UV index in September in Hétomesnil?
Average temperature in September
Hétomesnil, France
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in September
Hétomesnil, France
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).
Average wind speed in September
Hétomesnil, France
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
Hétomesnil, France
- Average humidity in September: 78%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Hétomesnil, France
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is December (55mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in September
Hétomesnil, France
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (11.3 days).
Average snowfall in September
Hétomesnil, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Hétomesnil, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 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
Hétomesnil, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Hétomesnil, France
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is March (15.7 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Hétomesnil, 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
Hétomesnil, France
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 43).
Average visibility in September
Hétomesnil, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, June, July, August, September, October and December (9km).
The months with the lowest visibility are January, May and November (8km).
