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 onset of September brings with it an average high-temperature of an enjoyable 19.5°C (67.1°F), showing a negligible variation from the month before. September's nights in Porte-Joie observe an average temperature of 10.5°C (50.9°F).Humidity
In September, the average relative humidity is 80%.Rainfall
April and September are months with the least rain when the rain falls for 12.9 days and typically aggregates up to 21mm (0.83") of rain.Snowfall
May through October are months without snowfall in Porte-Joie.Daylight
In September, the average length of the day is 12h and 35min.On the first day of September, sunrise is at 07:12 and sunset at 20:37. On the last day of the month, sunrise is at 07:54 and sunset at 19:35 CEST.
Sunshine
The average sunshine in September in Porte-Joie is 7.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 4 in September translates into these instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What is the average September temperature in Porte-Joie?
What is the average humidity in September in Porte-Joie?
What is the driest month in Porte-Joie?
How much does it rain in Porte-Joie in September?
When it does not snow in Porte-Joie?
What is the average length of the day in September in Porte-Joie?
What time are sunrise and sunset in September in Porte-Joie?
How many hours of sunshine does Porte-Joie have in September?
How high is the UV index in September in Porte-Joie?
Average temperature in September
Porte-Joie, France
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (22.4°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Porte-Joie, France
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).
Average wind speed in September
Porte-Joie, France
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
Porte-Joie, France
- Average humidity in September: 80%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (78%).
Average rainfall in September
Porte-Joie, France
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is December (45mm).
The driest months (with the least rainfall) are April and September (21mm).
Average rainfall days in September
Porte-Joie, France
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in September
Porte-Joie, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (27mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Porte-Joie, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 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
Porte-Joie, 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 18min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Porte-Joie, France
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in September
Porte-Joie, France
- Average UV index in September: 4
The months with the highest UV index are 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
Porte-Joie, France
- Average cloud cover in September: 44
The months with the most cloud cover are January and November (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 44).
Average visibility in September
Porte-Joie, France
- Average visibility in September: 8km
The months with the highest visibility are February, March, April and December (9km).
The months with the lowest visibility are January, May, June, July, August, September, October and November (8km).
Porte-Joie, France
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