September weather forecastSaint Vith, Belgium
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Saint Vith, Belgium, with an average temperature varying between 16.8°C (62.2°F) and 8.5°C (47.3°F).Temperature
Saint Vith's transition into September involves a gentle shift in temperature, receding from an agreeable 20.5°C (68.9°F) in August to a comfortable 16.8°C (62.2°F). Throughout September, a steady low-temperature average of 8.5°C (47.3°F) is noted.Humidity
The average relative humidity in September is 84%.Rainfall
In Saint Vith, Belgium, in September, during 11.5 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, in Saint Vith, there are 143.6 rainfall days, and 509mm (20.04") of precipitation is accumulated.Snowfall
In Saint Vith, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 37min.On the first day of September in Saint Vith, 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
The average sunshine in September is 7.1h.UV index
The average daily maximum UV index in September in Saint Vith is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Saint Vith, 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
Saint Vith, 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
Saint Vith, 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
Saint Vith, 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
Saint Vith, 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
Saint Vith, 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
Saint Vith, 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
Saint Vith, 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
Saint Vith, Belgium
- Average daylight in September: 12h and 36min
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 6min
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
Saint Vith, 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
Saint Vith, 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
Saint Vith, 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
Saint Vith, Belgium
- Average visibility in September: 8km
The month with the highest visibility is April (9km).
The month with the lowest visibility is January (7km).
