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
September notes an average high-temperature of an enjoyable 18.9°C (66°F), subtly differing from August's 21.4°C (70.5°F). Stalhille reports an average nighttime low-temperature of 13.3°C (55.9°F) in September.Humidity
In September, the average relative humidity is 77%.Rainfall
In Stalhille, during September, the rain falls for 15.8 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, there are 191 rainfall days, and 505mm (19.88") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 38min.On the first day of the month, sunrise is at 07:01 and sunset at 20:33. On the last day of September, in Stalhille, sunrise is at 07:47 and sunset at 19:27 CEST.
Sunshine
The average sunshine in September is 7.3h.UV index
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 rays for the ordinary person.Note: In September, the maximum UV index of 4 suggests this advice:
Heed the precautions - Suggestions to avoid sunburn are made. To protect against the Sun's most potent rays, avoid direct exposure around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Stalhille in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Stalhille, Belgium
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (21.4°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in September: 13.3°C
The month with the highest average low temperature is August (15.1°C).
The coldest months (with the lowest average low temperature) are January and February (2.8°C).
Average pressure in September
Stalhille, Belgium
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1011.7mbar).
Average wind speed in September
Stalhille, Belgium
- Average wind speed in September: 16.6km/h
The windiest month (with the highest average wind speed) is December (22.6km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).
Average humidity in September
Stalhille, Belgium
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in September
Stalhille, Belgium
- Average rainfall in September: 38mm
The wettest months (with the highest rainfall) are August and December (56mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Stalhille, Belgium
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is November (18.6 days).
The month with the least rainy days is April (12.1 days).
Average snowfall in September
Stalhille, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (27mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Stalhille, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 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
Stalhille, 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 2min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Stalhille, Belgium
- Average sunshine days in September: 11.1 days
The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is December (7 days).
Average UV index in September
Stalhille, 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
Stalhille, Belgium
- Average cloud cover in September: 41
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 38).
Average visibility in September
Stalhille, Belgium
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).
