September weather forecastMontussaint, France
September
Weather in September
September, the first month of the autumn in Montussaint, is still a pleasant month, with an average temperature ranging between max 20.3°C (68.5°F) and min 9.8°C (49.6°F).Temperature
The transition into September involves a small decrease in the average high-temperature, dipping slightly from a moderately hot 24.2°C (75.6°F) in August to an agreeable 20.3°C (68.5°F). An average low-temperature of 9.8°C (49.6°F) is noted during the month of September.Humidity
The average relative humidity in September is 80%.Rainfall
The month with the least rainfall in Montussaint is September, when the rain falls for 11.8 days and typically collects 34mm (1.34") of precipitation.Snowfall
April through September are months without snowfall in Montussaint.Daylight
In Montussaint, the average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 06:54 and sunset at 20:14. On the last day of the month, sunrise is at 07:33 and sunset at 19:16 CEST.
Sunshine
The average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Montussaint, France
- Average high temperature in September: 20.3°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (4.2°C).
- Average low temperature in September: 9.8°C
The months with the highest average low temperature are July and August (13°C).
The coldest month (with the lowest average low temperature) is January (-0.5°C).
Average pressure in September
Montussaint, France
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is November (1015.4mbar).
Average wind speed in September
Montussaint, France
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is February (13.1km/h).
The calmest month (with the lowest average wind speed) is August (7.9km/h).
Average humidity in September
Montussaint, France
- Average humidity in September: 80%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (78%).
Average rainfall in September
Montussaint, France
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is December (84mm).
The driest month (with the least rainfall) is September (34mm).
Average rainfall days in September
Montussaint, France
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is September (11.8 days).
Average snowfall in September
Montussaint, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (81mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Montussaint, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.1 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
Montussaint, France
- Average daylight in September: 12h and 36min
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 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in September
Montussaint, France
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is October (17 days).
The month with the least sunshine days is June (7.9 days).
Average UV index in September
Montussaint, France
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Montussaint, France
- Average cloud cover in September: 35
The month with the most cloud cover is December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Montussaint, France
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, July and August (9km).
The months with the lowest visibility are January, May, June, September, October, November and December (8km).
