September weather forecastGhlin, Belgium
September
Weather in September
September, the first month of the autumn in Ghlin, is still a comfortable month, with an average temperature varying between 10.5°C (50.9°F) and 19.5°C (67.1°F).Temperature
With the commencement of September, Ghlin records a moderate temperature decline, with the average high easing from August's agreeable 22.7°C (72.9°F) to a refreshing 19.5°C (67.1°F). During the month of September, an average temperature of 10.5°C (50.9°F) is noted during the nights in Ghlin.Humidity
The average relative humidity in September in Ghlin is 79%.Rainfall
In Ghlin, during September, the rain falls for 13.2 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, there are 181.2 rainfall days, and 503mm (19.8") of precipitation is accumulated.Snowfall
In Ghlin, Belgium, snow does not fall in April through September.Daylight
In Ghlin, the average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 06:59 and sunset at 20:28. On the last day of the month, sunrise is at 07:43 and sunset at 19:24 CEST.
Sunshine
In Ghlin, the average sunshine in September is 7.3h.UV index
In Ghlin, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ghlin, Belgium
- Average high temperature in September: 19.5°C
The warmest months (with the highest average high temperature) are July and August (22.7°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in September: 10.5°C
The months with the highest average low temperature are July and August (12.9°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in September
Ghlin, 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
Ghlin, Belgium
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (18.8km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in September
Ghlin, Belgium
- Average humidity in September: 79%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in September
Ghlin, Belgium
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in September
Ghlin, Belgium
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is March (12.8 days).
Average snowfall in September
Ghlin, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (31mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Ghlin, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ghlin, Belgium
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 7h and 18min
The months with the most sunshine are July and August (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Ghlin, Belgium
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in September
Ghlin, 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
Ghlin, Belgium
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are April and August (Cloud cover 43).
Average visibility in September
Ghlin, 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).





