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
Lattainville's weather subtly changes with the onset of September, barely falling from a moderately hot 24.3°C (75.7°F) in August to an agreeable 20.7°C (69.3°F). The temperature dips to an average of 11.5°C (52.7°F) during September nights.Humidity
In Lattainville, the average relative humidity in September is 73%.Rainfall
September is the month with the least rainfall. Rain falls for 12.2 days and accumulates 25mm (0.98") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 35min.On the first day of September, sunrise is at 07:09 and sunset at 20:35. On the last day of the month, sunrise is at 07:51 and sunset at 19:33 CEST.
Sunshine
The average sunshine in September in Lattainville is 7.5h.UV index
In Lattainville, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 suggests this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Lattainville in September?
What is the average humidity in September in Lattainville?
What is the driest month in Lattainville?
How many days does it rain in September in Lattainville?
When it does not snow in Lattainville?
What is the average length of the day in September in Lattainville?
When is the sunrise / sunset in September in Lattainville?
How long on average sun shines in September in Lattainville?
What is the UV index intensity in September in Lattainville?
Average temperature in September
Lattainville, France
- Average high temperature in September: 20.7°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 (6°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (14.5°C).
The coldest months (with the lowest average low temperature) are January and February (1.7°C).
Average pressure in September
Lattainville, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is September (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.2mbar).
Average wind speed in September
Lattainville, France
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is February (15.9km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in September
Lattainville, France
- Average humidity in September: 73%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Lattainville, France
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is June (63mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in September
Lattainville, France
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is September (12.2 days).
Average snowfall in September
Lattainville, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (28mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Lattainville, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.1 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
Lattainville, 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 3min
The months with the most sunshine are July and August (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Lattainville, France
- Average sunshine days in September: 15 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is June (8 days).
Average UV index in September
Lattainville, 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
Lattainville, France
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 40).
Average visibility in September
Lattainville, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
