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 September, the average high-temperature marginally drops from an agreeable 20.5°C (68.9°F) in August to a comfortable 16.8°C (62.2°F). The nighttime temperature dips to a frosty 8.5°C (47.3°F) on average during September.Humidity
The average relative humidity in September in Herresbach, Belgium, is 84%.Rainfall
In Herresbach, in September, during 11.5 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Herresbach, during the entire year, the rain falls for 143.6 days and collects up to 509mm (20.04") of precipitation.Snowfall
June through September are months without snowfall in Herresbach.Daylight
In Herresbach, the average length of the day in September is 12h and 37min.On the first day of September in Herresbach, sunrise is at 06:50 and sunset at 20:19. On the last day of the month, sunrise is at 07:34 and sunset at 19:15 CEST.
Sunshine
In Herresbach, Belgium, the average sunshine in September is 7.1h.UV index
In Herresbach, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 3 translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. To protect against the Sun's most potent rays, avoid direct exposure around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What is the usual temperature for Herresbach in September?
What is the average humidity in September in Herresbach?
How many days does it rain in September in Herresbach?
When it does not snow in Herresbach?
Does it snow in Herresbach in September?
What is the average length of the day in September in Herresbach?
What time are sunrise and sunset in September in Herresbach?
How long on average sun shines in September in Herresbach?
How high is the UV index in September in Herresbach?
Average temperature in September
Herresbach, Belgium
- Average high temperature in September: 16.8°C
The warmest months (with the highest average high temperature) are July and August (20.5°C).
The month with the lowest average high temperature is January (2.5°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is August (11.3°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).
Average pressure in September
Herresbach, 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 (1013.5mbar).
Average wind speed in September
Herresbach, Belgium
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).
Average humidity in September
Herresbach, Belgium
- Average humidity in September: 84%
The months with the highest relative humidity are January and December (92%).
The month with the lowest relative humidity is April (80%).
Average rainfall in September
Herresbach, Belgium
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Herresbach, Belgium
- Average rainfall days in September: 11.5 days
The months with the highest number of rainy days are June and July (14.7 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in September
Herresbach, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is February (166mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Herresbach, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Herresbach, 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 1min
The month with the most sunshine is August (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in September
Herresbach, Belgium
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is February (11.5 days).
Average UV index in September
Herresbach, Belgium
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Herresbach, Belgium
- Average cloud cover in September: 50
The month with the most cloud cover is December (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 46).
Average visibility in September
Herresbach, Belgium
- Average visibility in September: 8km
The month with the highest visibility is April (9km).
The month with the lowest visibility is January (7km).
Herresbach, Belgium
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