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 signifies a gentle decline in Grandrif's average high-temperature, easing from a moderately hot 24.2°C (75.6°F) in August to a refreshing 19.6°C (67.3°F). During the nights in September, Grandrif observes an average low-temperature of 9.5°C (49.1°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In Grandrif, France, during September, the rain falls for 13.4 days and regularly aggregates up to 33mm (1.3") of precipitation. Throughout the year, there are 177.1 rainfall days, and 594mm (23.39") of precipitation is accumulated.Snowfall
In Grandrif, France, snow does not fall in June through September.Daylight
In Grandrif, the average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 07:06 and sunset at 20:22. On the last day of the month, sunrise is at 07:42 and sunset at 19:26 CEST.
Sunshine
The average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Grandrif have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Grandrif have in September?
What is the UV index intensity in September?
Average temperature in September
Grandrif, France
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (4.7°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is February (-1.3°C).
Average pressure in September
Grandrif, France
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Grandrif, France
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is February (12.6km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).
Average humidity in September
Grandrif, France
- Average humidity in September: 78%
The months with the highest relative humidity are November and December (86%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Grandrif, France
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is May (67mm).
The driest month (with the least rainfall) is February (32mm).
Average rainfall days in September
Grandrif, France
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is October (11.9 days).
Average snowfall in September
Grandrif, France
- Average snowfall in September: 0mm
The month with the highest snowfall is November (86mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Grandrif, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grandrif, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Grandrif, France
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is October (16.4 days).
The month with the least sunshine days is May (7.8 days).
Average UV index in September
Grandrif, 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
Grandrif, France
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Grandrif, France
- Average visibility in September: 8km
The months with the highest visibility are March and August (9km).
The months with the lowest visibility are January, February, April, May, June, July, September, October, November and December (8km).
