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
As September commences, the average high-temperature subtly reduces, transitioning from an agreeable 22.9°C (73.2°F) in August to a refreshing 19.3°C (66.7°F). In September, Heers experiences a temperature dip to an average of 10.6°C (51.1°F) at night.Humidity
The average relative humidity in September in Heers is 79%.Rainfall
In Heers, Belgium, in September, during 12.9 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Heers, during the entire year, the rain falls for 177.9 days and collects up to 469mm (18.46") of precipitation.Snowfall
April through October are months without snowfall in Heers.Daylight
The average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:53 and sunset at 20:23. On the last day of September, sunrise is at 07:38 and sunset at 19:18 CEST.
Sunshine
The average sunshine in September is 7.8h.UV index
In September, the average daily maximum UV index in Heers is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 4 during September translates into the following guidance:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. To protect against the Sun's most potent rays, avoid direct exposure around midday. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Heers in September?
What is the average humidity in September in Heers?
How much does it rain in Heers in September?
When it does not snow in Heers?
What is the average length of the day in September in Heers?
When are sunrise and sunset in September in Heers?
How many hours of sunshine does Heers have in September?
How high is the UV index in September in Heers?
Average temperature in September
Heers, Belgium
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (13.5°C).
The coldest months (with the lowest average low temperature) are January and February (0.8°C).
Average pressure in September
Heers, 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 (1012.8mbar).
Average wind speed in September
Heers, Belgium
- Average wind speed in September: 11.5km/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 (11.2km/h).
Average humidity in September
Heers, Belgium
- Average humidity in September: 79%
The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are April and August (75%).
Average rainfall in September
Heers, Belgium
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Heers, Belgium
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (12.5 days).
Average snowfall in September
Heers, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (31mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Heers, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.2 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
Heers, 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 0min).
- Average sunshine in September: 7h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Heers, Belgium
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in September
Heers, 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, March, November and December (UV index 2).
Average cloud cover in September
Heers, Belgium
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 61).
The months with the least cloud cover are April and August (Cloud cover 40).
Average visibility in September
Heers, Belgium
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is December (8km).
