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 arrival of September correlates with a minor temperature reduction, down from August's warm 23.1°C (73.6°F) to a comfortable 19.5°C (67.1°F). Mesnil-Saint-Laurent experiences an average nighttime temperature of 10.7°C (51.3°F) in the month of September.Humidity
The average relative humidity in September is 78%.Rainfall
In September, in Mesnil-Saint-Laurent, the rain falls for 12 days. Throughout September, 28mm (1.1") of precipitation is accumulated. Throughout the year, in Mesnil-Saint-Laurent, France, there are 176.8 rainfall days, and 514mm (20.24") of precipitation is accumulated.Snowfall
In Mesnil-Saint-Laurent, snow does not fall in April through September.Daylight
In September, the average length of the day is 12h and 37min.On the first day of the month, sunrise is at 07:02 and sunset at 20:30. On the last day of September, in Mesnil-Saint-Laurent, sunrise is at 07:45 and sunset at 19:26 CEST.
Sunshine
In September, the average sunshine in Mesnil-Saint-Laurent is 7.5h.UV index
In September, the average daily maximum UV index in Mesnil-Saint-Laurent is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Mesnil-Saint-Laurent?
What is the average humidity in September in Mesnil-Saint-Laurent?
How much does it rain in Mesnil-Saint-Laurent in September?
When it does not snow in Mesnil-Saint-Laurent?
Does it snow in Mesnil-Saint-Laurent in September?
What is the average length of the day in September in Mesnil-Saint-Laurent?
When are sunrise and sunset in September in Mesnil-Saint-Laurent?
How long on average sun shines in September in Mesnil-Saint-Laurent?
What is the UV index reading in September in Mesnil-Saint-Laurent?
Average temperature in September
Mesnil-Saint-Laurent, France
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).
Average pressure in September
Mesnil-Saint-Laurent, France
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed in September
Mesnil-Saint-Laurent, 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 (11.1km/h).
Average humidity in September
Mesnil-Saint-Laurent, 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 (75%).
Average rainfall in September
Mesnil-Saint-Laurent, France
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is December (64mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Mesnil-Saint-Laurent, France
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is September (12 days).
Average snowfall in September
Mesnil-Saint-Laurent, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Mesnil-Saint-Laurent, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mesnil-Saint-Laurent, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Mesnil-Saint-Laurent, France
- Average sunshine days in September: 15 days
The month with the most sunshine days is March (15.8 days).
The month with the least sunshine days is February (9.6 days).
Average UV index in September
Mesnil-Saint-Laurent, 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
Mesnil-Saint-Laurent, France
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Mesnil-Saint-Laurent, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
