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 into September subtly indicates a reduction in the average high-temperature, down to a refreshing 19.8°C (67.6°F) from August's warm 23.3°C (73.9°F). September in Bonheiden is noted for a mean low-temperature of 11.3°C (52.3°F).Humidity
The average relative humidity in September is 77%.Rainfall
In Bonheiden, in September, during 8.2 rainfall days, 12mm (0.47") of precipitation is typically accumulated. In Bonheiden, during the entire year, the rain falls for 119.3 days and collects up to 173mm (6.81") of precipitation.Snowfall
In Bonheiden, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 06:56 and sunset at 20:27. On the last day of September, sunrise is at 07:41 and sunset at 19:21 CEST.
Sunshine
In September, the average sunshine is 7.3h.UV index
In Bonheiden, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Undertake precautions - Guarding against sun damage is counselled. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What is the average September temperature in Bonheiden?
What is the average humidity in September in Bonheiden?
How much does it rain in Bonheiden in September?
When it does not snow in Bonheiden?
How many hours of daylight does Bonheiden have in September?
What time are sunrise and sunset in September in Bonheiden?
How long on average sun shines in September in Bonheiden?
How high is the UV index in September in Bonheiden?
Average temperature in September
Bonheiden, Belgium
- Average high temperature in September: 19.8°C
The warmest month (with the highest average high temperature) is July (23.4°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Bonheiden, Belgium
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in September
Bonheiden, Belgium
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in September
Bonheiden, Belgium
- Average humidity in September: 77%
The month with the highest relative humidity is December (87%).
The months with the lowest relative humidity are April, July and August (74%).
Average rainfall in September
Bonheiden, Belgium
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is June (19mm).
The driest month (with the least rainfall) is April (9mm).
Average rainfall days in September
Bonheiden, Belgium
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in September
Bonheiden, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Bonheiden, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Bonheiden, Belgium
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 7h and 2min
The months with the most sunshine are June and July (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Bonheiden, Belgium
- Average sunshine days in September: 18.8 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is June (14.3 days).
Average UV index in September
Bonheiden, 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
Bonheiden, Belgium
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and August (Cloud cover 43).
Average visibility in September
Bonheiden, 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).
Bonheiden, Belgium
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