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
September is characterized by a mild reduction in the average high-temperature, from 27.7°C (81.9°F) in August to a still warm 23.5°C (74.3°F). During September, Grives detects a significant contrast from its daytime temperatures, with nights averaging at a fresh 11.3°C (52.3°F).Humidity
In Grives, the average relative humidity in September is 72%.Rainfall
In Grives, in September, during 9.8 rainfall days, 24mm (0.94") of precipitation is typically accumulated. In Grives, during the entire year, the rain falls for 148 days and collects up to 391mm (15.39") of precipitation.Snowfall
In Grives, France, snow does not fall in March through October.Daylight
In Grives, France, the average length of the day in September is 12h and 31min.On the first day of September in Grives, sunrise is at 07:18 and sunset at 20:32. On the last day of the month, sunrise is at 07:53 and sunset at 19:37 CEST.
Sunshine
In September, the average sunshine is 8.5h.UV index
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: A maximum high UV index of 4 in September translates into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Grives?
What is the average humidity in September in Grives?
How much does it rain in Grives in September?
When it does not snow in Grives?
How many hours of daylight does Grives have in September?
What time are sunrise and sunset in September in Grives?
How many hours of sunshine does Grives have in September?
What is the UV index intensity in September in Grives?
Average temperature in September
Grives, France
- Average high temperature in September: 23.5°C
The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (7.8°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is July (14.4°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in September
Grives, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.5mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).
Average wind speed in September
Grives, France
- Average wind speed in September: 7.1km/h
The windiest month (with the highest average wind speed) is March (9.8km/h).
The calmest months (with the lowest average wind speed) are August and September (7.1km/h).
Average humidity in September
Grives, France
- Average humidity in September: 72%
The months with the highest relative humidity are January, November and December (87%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Grives, France
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is November (42mm).
The driest month (with the least rainfall) is July (23mm).
Average rainfall days in September
Grives, France
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is May (14.6 days).
The months with the least rainy days are August and September (9.8 days).
Average snowfall in September
Grives, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Grives, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 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
Grives, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and November (Average sunshine: 4h and 30min).
Average sunshine days in September
Grives, France
- Average sunshine days in September: 18.8 days
The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is November (13.4 days).
Average UV index in September
Grives, France
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Grives, France
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Grives, France
- Average visibility in September: 8km
The months with the highest visibility are July and August (9km).
The months with the lowest visibility are January, November and December (7km).
