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
Le Plessis-Grimoult's weather in September indicates an average high-temperature of a refreshing 18.9°C (66°F), nearly consistent with the 20.9°C (69.6°F) of August. During the nights in September, Le Plessis-Grimoult experiences a consistent average temperature of 12.3°C (54.1°F).Humidity
August and September, with an average relative humidity of 80%, are the least humid months.Rainfall
The month with the least rainfall is September, when the rain falls for 12.9 days and typically collects 27mm (1.06") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in Le Plessis-Grimoult, France, is 12h and 35min.On the first day of the month, sunrise is at 07:19 and sunset at 20:44. On the last day of September, in Le Plessis-Grimoult, sunrise is at 08:01 and sunset at 19:43 CEST.
Sunshine
In Le Plessis-Grimoult, the average sunshine in September is 7.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Le Plessis-Grimoult in September?
What are the least humid months in Le Plessis-Grimoult?
What is the average humidity in September in Le Plessis-Grimoult?
What is the driest month in Le Plessis-Grimoult?
How many days does it rain in September in Le Plessis-Grimoult?
When it does not snow in Le Plessis-Grimoult?
How many hours of daylight does Le Plessis-Grimoult have in September?
When are sunrise and sunset in September in Le Plessis-Grimoult?
How long on average sun shines in September in Le Plessis-Grimoult?
What is the UV index intensity in September in Le Plessis-Grimoult?
Average temperature in September
Le Plessis-Grimoult, France
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (3.7°C).
Average pressure in September
Le Plessis-Grimoult, 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 (1012.3mbar).
Average wind speed in September
Le Plessis-Grimoult, France
- Average wind speed in September: 15.9km/h
The windiest month (with the highest average wind speed) is December (23.2km/h).
The calmest month (with the lowest average wind speed) is August (14.4km/h).
Average humidity in September
Le Plessis-Grimoult, France
- Average humidity in September: 80%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (80%).
Average rainfall in September
Le Plessis-Grimoult, France
- Average rainfall in September: 27mm
The wettest months (with the highest rainfall) are November and December (59mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in September
Le Plessis-Grimoult, France
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is January (18.2 days).
The month with the least rainy days is September (12.9 days).
Average snowfall in September
Le Plessis-Grimoult, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Le Plessis-Grimoult, 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
Le Plessis-Grimoult, 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 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Le Plessis-Grimoult, France
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is September (14.8 days).
The months with the least sunshine days are January, February and November (9.3 days).
Average UV index in September
Le Plessis-Grimoult, France
- Average UV index in September: 4
The months with the highest UV index are 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
Le Plessis-Grimoult, France
- Average cloud cover in September: 40
The months with the most cloud cover are January and November (Cloud cover 59).
The months with the least cloud cover are July, August and September (Cloud cover 40).
Average visibility in September
Le Plessis-Grimoult, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, July, August, September, October and December (10km).
The months with the lowest visibility are January, May, June and November (9km).
