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
As September unfolds, the average high-temperature reaches a comfortable 19.2°C (66.6°F), hinting at a slight fluctuation from the previous month. Nighttime temperatures hover around an average low of 13°C (55.4°F) in September.Humidity
September is the least humid month, with an average relative humidity of 78%.Rainfall
The months with the least rainfall in Pontorson are July and September Rain falls for 11.4 days and accumulates 21mm (0.83") of rain.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Pontorson is 12h and 35min.On the first day of September, sunrise is at 07:24 and sunset at 20:47. On the last day of the month, sunrise is at 08:04 and sunset at 19:46 CEST.
Sunshine
In September, the average sunshine is 7.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Pontorson?
What is the least humid month in Pontorson?
What is the average humidity in September in Pontorson?
What is the driest month in Pontorson?
How much does it rain in Pontorson in September?
When it does not snow in Pontorson?
How many hours of daylight does Pontorson have in September?
When is the sunrise / sunset in September in Pontorson?
How long on average sun shines in September in Pontorson?
What is the UV index reading in September in Pontorson?
Average temperature in September
Pontorson, France
- Average high temperature in September: 19.2°C
The warmest months (with the highest average high temperature) are July and August (20.3°C).
The months with the lowest average high temperature are January and February (8.7°C).
- Average low temperature in September: 13°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in September
Pontorson, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in September
Pontorson, France
- Average wind speed in September: 16.7km/h
The windiest month (with the highest average wind speed) is December (24.9km/h).
The calmest month (with the lowest average wind speed) is August (15.5km/h).
Average humidity in September
Pontorson, France
- Average humidity in September: 78%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is September (78%).
Average rainfall in September
Pontorson, France
- Average rainfall in September: 21mm
The wettest months (with the highest rainfall) are November and December (74mm).
The driest months (with the least rainfall) are July and September (21mm).
Average rainfall days in September
Pontorson, France
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is November (19.3 days).
The month with the least rainy days is July (10.8 days).
Average snowfall in September
Pontorson, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Pontorson, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Pontorson, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Pontorson, France
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is July (17.5 days).
The month with the least sunshine days is November (8.2 days).
Average UV index in September
Pontorson, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in September
Pontorson, France
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and September (Cloud cover 38).
Average visibility in September
Pontorson, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January and November (9km).
