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
The onset of September entails a subtle temperature shift, as the average high-temperature eases from a moderately hot 23.2°C (73.8°F) in August to an enjoyable 19.4°C (66.9°F). Throughout September, Spalbeek records an average temperature of 11°C (51.8°F) at night.Humidity
In Spalbeek, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 13.3 days. Throughout September, 30mm (1.18") of precipitation is accumulated. In Spalbeek, during the entire year, the rain falls for 183.8 days and collects up to 478mm (18.82") of precipitation.Snowfall
In Spalbeek, snow does not fall in April through October.Daylight
In Spalbeek, the average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 06:53 and sunset at 20:24. On the last day of the month, sunrise is at 07:38 and sunset at 19:19 CEST.
Sunshine
In Spalbeek, the average sunshine in September is 7.7h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Undertake precautions - Guarding against sun damage is counselled. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Spalbeek have in September?
What is the UV index reading in September?
Average temperature in September
Spalbeek, Belgium
- Average high temperature in September: 19.4°C
The warmest months (with the highest average high temperature) are July and August (23.2°C).
The month with the lowest average high temperature is January (4.9°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 (0.8°C).
Average pressure in September
Spalbeek, 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
Spalbeek, Belgium
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).
Average humidity in September
Spalbeek, 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
Spalbeek, Belgium
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (52mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Spalbeek, Belgium
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (17.8 days).
The months with the least rainy days are February and April (12.5 days).
Average snowfall in September
Spalbeek, Belgium
- Average snowfall in September: 0mm
The months with the highest snowfall are January and December (27mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Spalbeek, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.6 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
Spalbeek, 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 12min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Spalbeek, Belgium
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in September
Spalbeek, 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
Spalbeek, Belgium
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in September
Spalbeek, 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).
