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
In September, the average high-temperature marginally drops from 29.6°C (85.3°F) in August to a still moderately hot 25.1°C (77.2°F). In Saint-Étienne-du-Grès, an average nighttime temperature of 16.7°C (62.1°F) is expected during September.Humidity
In Saint-Étienne-du-Grès, the average relative humidity in September is 63%.Rainfall
In Saint-Étienne-du-Grès, in September, during 6.8 rainfall days, 29mm (1.14") of precipitation is typically accumulated. Throughout the year, in Saint-Étienne-du-Grès, there are 100.7 rainfall days, and 420mm (16.54") of precipitation is accumulated.Snowfall
In Saint-Étienne-du-Grès, snow does not fall in January, March through December.Daylight
In September, the average length of the day in Saint-Étienne-du-Grès, France, is 12h and 30min.On the first day of September, sunrise is at 07:05 and sunset at 20:16. On the last day of the month, sunrise is at 07:38 and sunset at 19:23 CEST.
Sunshine
In Saint-Étienne-du-Grès, the average sunshine in September is 9.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 5 in September leads to these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Saint-Étienne-du-Grès in September?
What is the average humidity in September in Saint-Étienne-du-Grès?
How many days does it rain in September in Saint-Étienne-du-Grès?
When it does not snow in Saint-Étienne-du-Grès?
How many hours of daylight does Saint-Étienne-du-Grès have in September?
When is the sunrise / sunset in September in Saint-Étienne-du-Grès?
How many hours of sunshine does Saint-Étienne-du-Grès have in September?
What is the UV index intensity in September in Saint-Étienne-du-Grès?
Average temperature in September
Saint-Étienne-du-Grès, France
- Average high temperature in September: 25.1°C
The warmest months (with the highest average high temperature) are July and August (29.6°C).
The month with the lowest average high temperature is January (10.1°C).
- Average low temperature in September: 16.7°C
The month with the highest average low temperature is August (20°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in September
Saint-Étienne-du-Grès, France
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).
Average wind speed in September
Saint-Étienne-du-Grès, France
- Average wind speed in September: 14.4km/h
The windiest month (with the highest average wind speed) is February (19.1km/h).
The calmest month (with the lowest average wind speed) is August (13.8km/h).
Average humidity in September
Saint-Étienne-du-Grès, France
- Average humidity in September: 63%
The months with the highest relative humidity are November and December (76%).
The month with the lowest relative humidity is July (58%).
Average rainfall in September
Saint-Étienne-du-Grès, France
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is November (80mm).
The driest month (with the least rainfall) is July (15mm).
Average rainfall days in September
Saint-Étienne-du-Grès, France
- Average rainfall days in September: 6.8 days
The month with the highest number of rainy days is November (12.1 days).
The month with the least rainy days is July (6.2 days).
Average snowfall in September
Saint-Étienne-du-Grès, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (1mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Saint-Étienne-du-Grès, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and December (0 days).
Average daylight in September /
Average sunshine in September
Saint-Étienne-du-Grès, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and November (Average sunshine: 5h and 54min).
Average sunshine days in September
Saint-Étienne-du-Grès, France
- Average sunshine days in September: 22.1 days
The month with the most sunshine days is July (22.9 days).
The month with the least sunshine days is November (16.3 days).
Average UV index in September
Saint-Étienne-du-Grès, France
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Saint-Étienne-du-Grès, France
- Average cloud cover in September: 18
The month with the most cloud cover is November (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in September
Saint-Étienne-du-Grès, 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).
