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
September heralds a minor drop in average high-temperature, sliding from August's agreeable 21.7°C (71.1°F) to a comfortable 18°C (64.4°F). An average low-temperature of 9°C (48.2°F) is anticipated throughout the nights in Chapois during September.Humidity
In Chapois, the average relative humidity in September is 82%.Rainfall
In September, in Chapois, the rain falls for 13.5 days. Throughout September, 39mm (1.54") of precipitation is accumulated. Throughout the year, there are 184.8 rainfall days, and 546mm (21.5") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Chapois.Daylight
In September, the average length of the day is 12h and 37min.On the first day of September, sunrise is at 06:54 and sunset at 20:23. On the last day of the month, sunrise is at 07:38 and sunset at 19:19 CEST.
Sunshine
In September, the average sunshine is 7.6h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 3 translates into these guidelines:
Take precautions - Protection against sun damage is advised. When the Sun is at its strongest around midday, find shade and limit exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Chapois in September?
What is the average humidity in September in Chapois?
How much does it rain in Chapois in September?
When it does not snow in Chapois?
Does it snow in Chapois in September?
How many hours of daylight does Chapois have in September?
When is the sunrise / sunset in September in Chapois?
How many hours of sunshine does Chapois have in September?
What is the UV index intensity in September in Chapois?
Average temperature in September
Chapois, Belgium
- Average high temperature in September: 18°C
The warmest months (with the highest average high temperature) are July and August (21.7°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in September: 9°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in September
Chapois, Belgium
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.2mbar).
Average wind speed in September
Chapois, Belgium
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is December (16.8km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in September
Chapois, Belgium
- Average humidity in September: 82%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are April and August (79%).
Average rainfall in September
Chapois, Belgium
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Chapois, Belgium
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in September
Chapois, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (72mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Chapois, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chapois, Belgium
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
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 August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Chapois, Belgium
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is March (13.7 days).
The month with the least sunshine days is December (9.2 days).
Average UV index in September
Chapois, Belgium
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Chapois, Belgium
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in September
Chapois, Belgium
- Average visibility in September: 8km
The months with the highest visibility are March and April (9km).
The months with the lowest visibility are January, February, May, June, July, August, September, October, November and December (8km).
