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
Weather in September
Temperature
The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a moderately hot 24.7°C (76.5°F) in August to a pleasant 20.9°C (69.6°F). During September, Saint-Martinien consistently records a temperature low averaging a chilly 9.9°C (49.8°F).Humidity
In Saint-Martinien, France, the average relative humidity in September is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 12 days and typically collects 31mm (1.22") of precipitation.Snowfall
April, June through September are months without snowfall.Daylight
In Saint-Martinien, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 07:11 and sunset at 20:28. On the last day of September, in Saint-Martinien, sunrise is at 07:48 and sunset at 19:31 CEST.
Sunshine
In September, the average sunshine in Saint-Martinien, France, is 8.1h.UV index
In Saint-Martinien, France, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What is the average September temperature in Saint-Martinien?
What is the average humidity in September in Saint-Martinien?
What is the driest month in Saint-Martinien?
How many days does it rain in September in Saint-Martinien?
When it does not snow in Saint-Martinien?
Does it snow in Saint-Martinien in September?
What is the average length of the day in September in Saint-Martinien?
When are sunrise and sunset in September in Saint-Martinien?
How long on average sun shines in September in Saint-Martinien?
What is the UV index reading in September in Saint-Martinien?
Average temperature in September
Saint-Martinien, France
- Average high temperature in September: 20.9°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 (5.9°C).
- Average low temperature in September: 9.9°C
The months with the highest average low temperature are July and August (13.3°C).
The coldest month (with the lowest average low temperature) is February (0°C).
Average pressure in September
Saint-Martinien, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is November (1015.2mbar).
Average wind speed in September
Saint-Martinien, France
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is February (14.3km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in September
Saint-Martinien, France
- Average humidity in September: 75%
The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Saint-Martinien, France
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is September (31mm).
Average rainfall days in September
Saint-Martinien, France
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is September (12 days).
Average snowfall in September
Saint-Martinien, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (42mm).
The months with the least snowfall are April, June, July, August and September (0mm).
Average snowfall days in September
Saint-Martinien, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.7 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-Martinien, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Saint-Martinien, France
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is May (7.7 days).
Average UV index in September
Saint-Martinien, 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-Martinien, France
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Saint-Martinien, 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).
Saint-Martinien, France
Weather forecast for your location
2. Allow the app to use your location
