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
Graval records a slight change with September's average high-temperatures adjusting to a still enjoyable 17.9°C (64.2°F) from August's 19.5°C (67.1°F). The temperature during September experiences a small drop from daytime peaks, recording an average of 13.9°C (57°F) at night.Humidity
With an average relative humidity of 79%, September is the least humid month in Graval.Rainfall
In September, in Graval, the rain falls for 13.3 days. Throughout September, 27mm (1.06") of precipitation is accumulated. In Graval, during the entire year, the rain falls for 177.4 days and collects up to 428mm (16.85") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Graval is 12h and 36min.On the first day of September, sunrise is at 07:10 and sunset at 20:37. On the last day of the month, sunrise is at 07:53 and sunset at 19:34 CEST.
Sunshine
The average sunshine in September is 7.4h.UV index
In Graval, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Graval in September?
What is the least humid month in Graval?
What is the average humidity in September in Graval?
How many days does it rain in September in Graval?
When it does not snow in Graval?
What is the average length of the day in September in Graval?
What time are sunrise and sunset in September in Graval?
How many hours of sunshine does Graval have in September?
What is the UV index reading in September in Graval?
Average temperature in September
Graval, France
- Average high temperature in September: 17.9°C
The warmest month (with the highest average high temperature) is August (19.5°C).
The months with the lowest average high temperature are January and February (7.3°C).
- Average low temperature in September: 13.9°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is February (4.2°C).
Average pressure in September
Graval, 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 (1012.1mbar).
Average wind speed in September
Graval, France
- Average wind speed in September: 19.2km/h
The windiest month (with the highest average wind speed) is December (27.5km/h).
The calmest month (with the lowest average wind speed) is July (17.3km/h).
Average humidity in September
Graval, France
- Average humidity in September: 79%
The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is September (79%).
Average rainfall in September
Graval, France
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Graval, France
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is October (16.7 days).
The month with the least rainy days is April (12.4 days).
Average snowfall in September
Graval, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Graval, France
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.9 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
Graval, 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: 10h and 24min).
The months with the least sunshine are January and November (Average sunshine: 4h and 0min).
Average sunshine days in September
Graval, France
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is April (14.6 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in September
Graval, 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
Graval, France
- Average cloud cover in September: 40
The months with the most cloud cover are November and December (Cloud cover 60).
The months with the least cloud cover are April, July and August (Cloud cover 39).
Average visibility in September
Graval, France
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
