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
September welcomes an average high-temperature of a still comfortable 18.6°C (65.5°F), not much different from the preceding month. Throughout the month of September, Port-Launay witnesses an average low-temperature of 13.3°C (55.9°F).Humidity
The average relative humidity in September in Port-Launay, France, is 80%.Rainfall
September is the month with the least rainfall in Port-Launay, France. Rain falls for 11.5 days and accumulates 25mm (0.98") of precipitation.Snowfall
In Port-Launay, France, snow does not fall in April through October.Daylight
The average length of the day in September in Port-Launay is 12h and 35min.On the first day of the month, sunrise is at 07:34 and sunset at 20:57. On the last day of September, in Port-Launay, sunrise is at 08:14 and sunset at 19:57 CEST.
Sunshine
The average sunshine in September in Port-Launay is 7.4h.UV index
In Port-Launay, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Port-Launay?
What is the average humidity in September in Port-Launay?
What is the driest month in Port-Launay?
How much does it rain in Port-Launay in September?
When it does not snow in Port-Launay?
What is the average length of the day in September in Port-Launay?
What time are sunrise and sunset in September in Port-Launay?
How many hours of sunshine does Port-Launay have in September?
What is the UV index reading in September in Port-Launay?
Average temperature in September
Port-Launay, France
- Average high temperature in September: 18.6°C
The warmest month (with the highest average high temperature) is July (19.6°C).
The month with the lowest average high temperature is February (9.7°C).
- Average low temperature in September: 13.3°C
The months with the highest average low temperature are July and August (14.4°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).
Average pressure in September
Port-Launay, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is September (1018.4mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in September
Port-Launay, France
- Average wind speed in September: 16.8km/h
The windiest month (with the highest average wind speed) is December (24.7km/h).
The calmest months (with the lowest average wind speed) are July and August (16.4km/h).
Average humidity in September
Port-Launay, France
- Average humidity in September: 80%
The months with the highest relative humidity are January, June, October and December (82%).
The month with the lowest relative humidity is April (79%).
Average rainfall in September
Port-Launay, France
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is November (88mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in September
Port-Launay, France
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is January (20.5 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in September
Port-Launay, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Port-Launay, 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 and October (0 days).
Average daylight in September /
Average sunshine in September
Port-Launay, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Port-Launay, France
- Average sunshine days in September: 14.6 days
The months with the most sunshine days are May and September (14.6 days).
The month with the least sunshine days is November (6.6 days).
Average UV index in September
Port-Launay, 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 January (UV index 2).
Average cloud cover in September
Port-Launay, France
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 40).
Average visibility in September
Port-Launay, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, June, September and October (10km).
The months with the lowest visibility are January, May, July, August, November and December (9km).
