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
In the transition to September, Mont-Saint-Jean observes a minor drop in the average high-temperature, shifting from a moderately hot 23.1°C (73.6°F) in August to a refreshing 19.6°C (67.3°F). Throughout September, Mont-Saint-Jean's nights cool down to an average of 11.3°C (52.3°F).Humidity
In Mont-Saint-Jean, the average relative humidity in September is 78%.Rainfall
In Mont-Saint-Jean, in September, during 12.5 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Mont-Saint-Jean, during the entire year, the rain falls for 179.3 days and collects up to 469mm (18.46") of precipitation.Snowfall
In Mont-Saint-Jean, Belgium, snow does not fall in April through September.Daylight
In September, the average length of the day is 12h and 37min.On the first day of the month, sunrise is at 06:57 and sunset at 20:27. On the last day of September, sunrise is at 07:41 and sunset at 19:22 CEST.
Sunshine
In September, the average sunshine is 7.5h.UV index
In Mont-Saint-Jean, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 4 in September translates into this advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What is the temperature in September in Mont-Saint-Jean?
What is the average humidity in September in Mont-Saint-Jean?
How many days does it rain in September in Mont-Saint-Jean?
When it does not snow in Mont-Saint-Jean?
Does it snow in Mont-Saint-Jean in September?
How many hours of daylight does Mont-Saint-Jean have in September?
When is the sunrise / sunset in September in Mont-Saint-Jean?
How long on average sun shines in September in Mont-Saint-Jean?
What is the UV index intensity in September in Mont-Saint-Jean?
Average temperature in September
Mont-Saint-Jean, Belgium
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in September
Mont-Saint-Jean, Belgium
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in September
Mont-Saint-Jean, Belgium
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is December (18.1km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in September
Mont-Saint-Jean, Belgium
- Average humidity in September: 78%
The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are April, July and August (75%).
Average rainfall in September
Mont-Saint-Jean, Belgium
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is December (54mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Mont-Saint-Jean, Belgium
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (11.6 days).
Average snowfall in September
Mont-Saint-Jean, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (34mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Mont-Saint-Jean, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mont-Saint-Jean, Belgium
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 7h and 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Mont-Saint-Jean, Belgium
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is September (14.6 days).
The months with the least sunshine days are February, August and December (10.9 days).
Average UV index in September
Mont-Saint-Jean, Belgium
- 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
Mont-Saint-Jean, Belgium
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in September
Mont-Saint-Jean, Belgium
- 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).
Mont-Saint-Jean, Belgium
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