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
The transition from August to September brings an average high-temperature of a pleasant 21.8°C (71.2°F), barely different from August's 24.3°C (75.7°F). Throughout September, Petit-Mars anticipates an average low-temperature of 12°C (53.6°F).Humidity
The months with the lowest humidity in Petit-Mars are August and September, with an average relative humidity of 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 8.2 days and typically collects 21mm (0.83") of precipitation.Snowfall
March, May through October and December are months without snowfall in Petit-Mars.Daylight
The average length of the day in September in Petit-Mars is 12h and 34min.On the first day of September in Petit-Mars, France, sunrise is at 07:25 and sunset at 20:45. On the last day of the month, sunrise is at 08:04 and sunset at 19:47 CEST.
Sunshine
In Petit-Mars, France, the average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Petit-Mars?
What are the least humid months in Petit-Mars?
What is the average humidity in September in Petit-Mars?
What is the driest month in Petit-Mars?
How many days does it rain in September in Petit-Mars?
When it does not snow in Petit-Mars?
What is the average length of the day in September in Petit-Mars?
What time are sunrise and sunset in September in Petit-Mars?
How long on average sun shines in September in Petit-Mars?
What is the UV index intensity in September in Petit-Mars?
Average temperature in September
Petit-Mars, France
- Average high temperature in September: 21.8°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in September: 12°C
The months with the highest average low temperature are July and August (14°C).
The coldest month (with the lowest average low temperature) is February (2.9°C).
Average pressure in September
Petit-Mars, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in September
Petit-Mars, France
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is February (18km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).
Average humidity in September
Petit-Mars, France
- Average humidity in September: 74%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are August and September (74%).
Average rainfall in September
Petit-Mars, France
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in September
Petit-Mars, France
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is January (16.3 days).
The month with the least rainy days is September (8.2 days).
Average snowfall in September
Petit-Mars, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are March, May, June, July, August, September, October and December (0mm).
Average snowfall days in September
Petit-Mars, France
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are March, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Petit-Mars, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
Petit-Mars, France
- Average sunshine days in September: 20.2 days
The month with the most sunshine days is September (20.2 days).
The month with the least sunshine days is November (11.6 days).
Average UV index in September
Petit-Mars, 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
Petit-Mars, France
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in September
Petit-Mars, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
