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 transition to September results in a modest reduction in average high-temperature, moving from a pleasant 22.8°C (73°F) in August to an enjoyable 19.3°C (66.7°F). During September, an average low-temperature of 10.5°C (50.9°F) is observed.Humidity
In Chastre, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 14 days. Throughout September, 34mm (1.34") of precipitation is accumulated. Throughout the year, in Chastre, Belgium, there are 187 rainfall days, and 488mm (19.21") of precipitation is accumulated.Snowfall
In Chastre, snow does not fall in April through October.Daylight
In Chastre, the average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 06:56 and sunset at 20:26. On the last day of the month, sunrise is at 07:41 and sunset at 19:21 CEST.
Sunshine
In Chastre, the average sunshine in September is 7.6h.UV index
In September, the average daily maximum UV index in Chastre is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Heed the precautions - It is counselled to guard against solar damage. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What is the average September temperature in Chastre?
What is the average humidity in September in Chastre?
How many days does it rain in September in Chastre?
When it does not snow in Chastre?
How many hours of daylight does Chastre have in September?
When are sunrise and sunset in September in Chastre?
How long on average sun shines in September in Chastre?
What is the UV index intensity in September in Chastre?
Average temperature in September
Chastre, Belgium
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is July (22.9°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (13.7°C).
The coldest months (with the lowest average low temperature) are January and February (0.8°C).
Average pressure in September
Chastre, 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 (1012.7mbar).
Average wind speed in September
Chastre, Belgium
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is December (18.3km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).
Average humidity in September
Chastre, Belgium
- Average humidity in September: 79%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Chastre, Belgium
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Chastre, Belgium
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is February (12.8 days).
Average snowfall in September
Chastre, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is February (42mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Chastre, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.5 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
Chastre, 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 4min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Chastre, Belgium
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is October (13.5 days).
The month with the least sunshine days is August (9.8 days).
Average UV index in September
Chastre, 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
Chastre, Belgium
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Chastre, 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).
Chastre, Belgium
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