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
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's warm 24.7°C (76.5°F) to a pleasant 20.3°C (68.5°F). The month of September records an average low-temperature of 8.9°C (48°F).Humidity
The average relative humidity in September is 75%.Rainfall
In September, in Saint-Martin-Valmeroux, France, the rain falls for 10.6 days. Throughout September, 33mm (1.3") of precipitation is accumulated. Throughout the year, in Saint-Martin-Valmeroux, there are 151.5 rainfall days, and 556mm (21.89") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Saint-Martin-Valmeroux, France.Daylight
In Saint-Martin-Valmeroux, the average length of the day in September is 12h and 31min.On the first day of September in Saint-Martin-Valmeroux, sunrise is at 07:12 and sunset at 20:27. On the last day of the month, sunrise is at 07:47 and sunset at 19:32 CEST.
Sunshine
The average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Saint-Martin-Valmeroux?
What is the average humidity in September in Saint-Martin-Valmeroux?
How many days does it rain in September in Saint-Martin-Valmeroux?
When it does not snow in Saint-Martin-Valmeroux?
Does it snow in Saint-Martin-Valmeroux in September?
How many hours of daylight does Saint-Martin-Valmeroux have in September?
What time are sunrise and sunset in September in Saint-Martin-Valmeroux?
How many hours of sunshine does Saint-Martin-Valmeroux have in September?
How high is the UV index in September in Saint-Martin-Valmeroux?
Average temperature in September
Saint-Martin-Valmeroux, France
- Average high temperature in September: 20.3°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (5.1°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is July (11.9°C).
The coldest month (with the lowest average low temperature) is February (-1.5°C).
Average pressure in September
Saint-Martin-Valmeroux, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1021.5mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Saint-Martin-Valmeroux, France
- Average wind speed in September: 7.1km/h
The windiest month (with the highest average wind speed) is March (9.7km/h).
The calmest month (with the lowest average wind speed) is August (6.9km/h).
Average humidity in September
Saint-Martin-Valmeroux, France
- Average humidity in September: 75%
The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Saint-Martin-Valmeroux, France
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is November (66mm).
The driest month (with the least rainfall) is August (32mm).
Average rainfall days in September
Saint-Martin-Valmeroux, France
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in September
Saint-Martin-Valmeroux, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Saint-Martin-Valmeroux, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Saint-Martin-Valmeroux, 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 July (Average sunshine: 10h and 0min).
The months with the least sunshine are January and November (Average sunshine: 4h and 18min).
Average sunshine days in September
Saint-Martin-Valmeroux, France
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in September
Saint-Martin-Valmeroux, 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
Saint-Martin-Valmeroux, France
- Average cloud cover in September: 37
The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Saint-Martin-Valmeroux, France
- Average visibility in September: 8km
The months with the highest visibility are March, June, July, August and September (8km).
The months with the lowest visibility are January, February, April, May, October, November and December (7km).
