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 Helchteren, entering September brings a subtle temperature decrement, reducing from August's moderately hot 23.3°C (73.9°F) to an enjoyable 19.3°C (66.7°F). Throughout the nights in September, Helchteren experiences an average low-temperature of 11°C (51.8°F).Humidity
The average relative humidity in September in Helchteren is 79%.Rainfall
In September, the rain falls for 12.7 days. Throughout September, 27mm (1.06") of precipitation is accumulated. Throughout the year, there are 172.9 rainfall days, and 469mm (18.46") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Helchteren.Daylight
The average length of the day in September in Helchteren is 12h and 38min.On the first day of the month, sunrise is at 06:52 and sunset at 20:23. On the last day of September, sunrise is at 07:38 and sunset at 19:18 CEST.
Sunshine
In Helchteren, the average sunshine in September is 7.7h.UV index
In Helchteren, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 4 in September translates into these instructions:
Act with care - The suggestion to avoid sunburn is emphasized. To protect against the Sun's most potent rays, avoid direct exposure around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What is the usual temperature for Helchteren in September?
What is the average humidity in September in Helchteren?
How many days does it rain in September in Helchteren?
When it does not snow in Helchteren?
How many hours of daylight does Helchteren have in September?
When is the sunrise / sunset in September in Helchteren?
How long on average sun shines in September in Helchteren?
What is the UV index reading in September in Helchteren?
Average temperature in September
Helchteren, Belgium
- Average high temperature in September: 19.3°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°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in September
Helchteren, Belgium
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).
Average wind speed in September
Helchteren, Belgium
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
Helchteren, Belgium
- Average humidity in September: 79%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Helchteren, Belgium
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Helchteren, Belgium
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is April (11.3 days).
Average snowfall in September
Helchteren, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is February (34mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Helchteren, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.7 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
Helchteren, 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 4min
The month with the most sunshine is July (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in September
Helchteren, Belgium
- Average sunshine days in September: 14.6 days
The months with the most sunshine days are March and April (16.6 days).
The months with the least sunshine days are June and July (9.8 days).
Average UV index in September
Helchteren, 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
Helchteren, Belgium
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in September
Helchteren, 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).
Helchteren, Belgium
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