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
On the advent of September, Saint-Porchaire's average high-temperature exhibits a minor adjustment to a still moderately hot 23°C (73.4°F) from August's 25.7°C (78.3°F). Saint-Porchaire experiences an average nighttime temperature of 13.5°C (56.3°F) in the month of September.Humidity
The months with the lowest humidity in Saint-Porchaire are August and September, with an average relative humidity of 70%.Rainfall
In September, in Saint-Porchaire, the rain falls for 9.5 days. Throughout September, 24mm (0.94") of precipitation is accumulated. Throughout the year, in Saint-Porchaire, there are 161.7 rainfall days, and 495mm (19.49") of precipitation is accumulated.Snowfall
In Saint-Porchaire, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 32min.On the first day of the month, sunrise is at 07:24 and sunset at 20:41. On the last day of September, in Saint-Porchaire, sunrise is at 08:00 and sunset at 19:45 CEST.
Sunshine
In Saint-Porchaire, the average sunshine in September is 8.4h.UV index
May through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Saint-Porchaire?
What is the least humid month in Saint-Porchaire?
What is the average humidity in September in Saint-Porchaire?
How much does it rain in Saint-Porchaire in September?
When it does not snow in Saint-Porchaire?
How many hours of daylight does Saint-Porchaire have in September?
When is the sunrise / sunset in September in Saint-Porchaire?
How long on average sun shines in September in Saint-Porchaire?
What are the months with the highest UV index in Saint-Porchaire?
What is the UV index intensity in September in Saint-Porchaire?
Average temperature in September
Saint-Porchaire, France
- Average high temperature in September: 23°C
The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (9.1°C).
- Average low temperature in September: 13.5°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is February (3.8°C).
Average pressure in September
Saint-Porchaire, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is November (1014.4mbar).
Average wind speed in September
Saint-Porchaire, France
- Average wind speed in September: 12.2km/h
The windiest month (with the highest average wind speed) is February (17km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in September
Saint-Porchaire, France
- Average humidity in September: 70%
The months with the highest relative humidity are January and December (84%).
The months with the lowest relative humidity are August and September (70%).
Average rainfall in September
Saint-Porchaire, France
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is November (80mm).
The driest month (with the least rainfall) is July (21mm).
Average rainfall days in September
Saint-Porchaire, France
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is November (16.1 days).
The month with the least rainy days is September (9.5 days).
Average snowfall in September
Saint-Porchaire, France
- Average snowfall in September: 0mm
The months with the highest snowfall are March and December (4mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Saint-Porchaire, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Saint-Porchaire, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).
Average sunshine days in September
Saint-Porchaire, France
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is November (11.7 days).
Average UV index in September
Saint-Porchaire, France
- Average UV index in September: 5
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover in September
Saint-Porchaire, France
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Saint-Porchaire, France
- Average visibility in September: 10km
The months with the highest visibility are March, July, August and September (10km).
The months with the lowest visibility are January, February, April, May, June, October, November and December (9km).
