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
Weather in September
Temperature
The shift from August to September coincides with a small decrease in the average high-temperature, down to a pleasant 21.3°C (70.3°F) from a warm 25.7°C (78.3°F). Lournand records an average low-temperature of 10.8°C (51.4°F) throughout the month of September.Humidity
The average relative humidity in September in Lournand is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.2 days and typically collects 40mm (1.57") of precipitation.Snowfall
In Lournand, snow does not fall in April through September.Daylight
The average length of the day in September in Lournand is 12h and 33min.On the first day of the month, sunrise is at 07:02 and sunset at 20:20. On the last day of September, sunrise is at 07:39 and sunset at 19:23 CEST.
Sunshine
In Lournand, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September in Lournand is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What is the usual temperature for Lournand in September?
What is the average humidity in September in Lournand?
What is the driest month in Lournand?
How much does it rain in Lournand in September?
When it does not snow in Lournand?
Does it snow in Lournand in September?
What is the average length of the day in September in Lournand?
When are sunrise and sunset in September in Lournand?
How many hours of sunshine does Lournand have in September?
What is the UV index reading in September in Lournand?
Average temperature in September
Lournand, France
- Average high temperature in September: 21.3°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 (5.5°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is July (14.2°C).
The coldest month (with the lowest average low temperature) is February (0.1°C).
Average pressure in September
Lournand, France
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Lournand, France
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is February (11.6km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity in September
Lournand, France
- Average humidity in September: 78%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Lournand, France
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is November (86mm).
The driest month (with the least rainfall) is September (40mm).
Average rainfall days in September
Lournand, France
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is September (12.2 days).
Average snowfall in September
Lournand, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (48mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Lournand, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lournand, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
Lournand, France
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (14.7 days).
The month with the least sunshine days is May (7.3 days).
Average UV index in September
Lournand, France
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in September
Lournand, France
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Lournand, France
- Average visibility in September: 8km
The months with the highest visibility are March, April, June, July and August (9km).
The months with the lowest visibility are January, February, May, September, October, November and December (8km).
Lournand, France
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