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
As Saint-Martin-de-la-Porte enters September, the average high-temperature subtly lowers from the 18.2°C (64.8°F) of August to a still refreshing 13.7°C (56.7°F). Saint-Martin-de-la-Porte experiences an average low-temperature of 3.8°C (38.8°F) in month of September.Humidity
In Saint-Martin-de-la-Porte, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.9 days and typically collects 26mm (1.02") of precipitation.Snowfall
January through June, August through December are months with snowfall in Saint-Martin-de-la-Porte. In Saint-Martin-de-la-Porte, France, in September, during 0.8 snowfall days, 3mm (0.12") of snow is typically accumulated. In Saint-Martin-de-la-Porte, during the entire year, snow falls for 98.2 days and aggregates up to 1904mm (74.96") of snow.Daylight
In September, the average length of the day in Saint-Martin-de-la-Porte is 12h and 32min.On the first day of September in Saint-Martin-de-la-Porte, sunrise is at 06:56 and sunset at 20:11. On the last day of the month, sunrise is at 07:31 and sunset at 19:16 CEST.
Sunshine
The average sunshine in September in Saint-Martin-de-la-Porte is 8.9h.UV index
In Saint-Martin-de-la-Porte, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 3 in September transforms into the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What is the average September temperature in Saint-Martin-de-la-Porte?
What is the average humidity in September in Saint-Martin-de-la-Porte?
What is the driest month in Saint-Martin-de-la-Porte?
How much does it rain in Saint-Martin-de-la-Porte in September?
How much does it snow in Saint-Martin-de-la-Porte in September?
What is the average length of the day in September in Saint-Martin-de-la-Porte?
When are sunrise and sunset in September in Saint-Martin-de-la-Porte?
How many hours of sunshine does Saint-Martin-de-la-Porte have in September?
What is the UV index reading in September in Saint-Martin-de-la-Porte?
Average temperature in September
Saint-Martin-de-la-Porte, France
- Average high temperature in September: 13.7°C
The warmest month (with the highest average high temperature) is August (18.2°C).
The month with the lowest average high temperature is January (-1.8°C).
- Average low temperature in September: 3.8°C
The month with the highest average low temperature is August (6.3°C).
The coldest month (with the lowest average low temperature) is January (-11.8°C).
Average pressure in September
Saint-Martin-de-la-Porte, France
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).
Average wind speed in September
Saint-Martin-de-la-Porte, France
- Average wind speed in September: 6km/h
The windiest month (with the highest average wind speed) is November (7.9km/h).
The calmest month (with the lowest average wind speed) is September (6km/h).
Average humidity in September
Saint-Martin-de-la-Porte, France
- Average humidity in September: 78%
The months with the highest relative humidity are February and March (89%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Saint-Martin-de-la-Porte, France
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in September
Saint-Martin-de-la-Porte, France
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is June (16.2 days).
The month with the least rainy days is December (3.5 days).
Average snowfall in September
Saint-Martin-de-la-Porte, France
- Average snowfall in September: 3mm
The month with the highest snowfall is December (446mm).
The month with the least snowfall is July (0mm).
Average snowfall days in September
Saint-Martin-de-la-Porte, France
- Average snowfall days in September: 0.8 days
The month with the highest number of snowfall days is March (15.3 days).
The month with the least snowfall days is July (0.1 days).
Average daylight in September /
Average sunshine in September
Saint-Martin-de-la-Porte, 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 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in September
Saint-Martin-de-la-Porte, France
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in September
Saint-Martin-de-la-Porte, France
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Saint-Martin-de-la-Porte, France
- Average cloud cover in September: 34
The month with the most cloud cover is May (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Saint-Martin-de-la-Porte, France
- Average visibility in September: 8km
The months with the highest visibility are June, July, August, September, October and November (8km).
The month with the lowest visibility is January (6km).
Saint-Martin-de-la-Porte, France
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