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
With the beginning of September, the average high-temperature shows a small decrease, transitioning from a warm 23°C (73.4°F) in August to a refreshing 19.6°C (67.3°F). During September, the nighttime temperature averages of 11.7°C (53.1°F).Humidity
The average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 10.1 days and accumulates 13mm (0.51") of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Melle, the average length of the day in September is 12h and 38min.On the first day of September in Melle, sunrise is at 06:59 and sunset at 20:30. On the last day of the month, sunrise is at 07:44 and sunset at 19:24 CEST.
Sunshine
The average sunshine in September is 7.2h.UV index
In Melle, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Melle?
What is the average humidity in September in Melle?
What is the driest month in Melle?
How many days does it rain in September in Melle?
When it does not snow in Melle?
What is the average length of the day in September in Melle?
What time are sunrise and sunset in September in Melle?
How many hours of sunshine does Melle have in September?
What is the UV index intensity in September in Melle?
Average temperature in September
Melle, Belgium
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (14.2°C).
The coldest months (with the lowest average low temperature) are January and February (1.7°C).
Average pressure in September
Melle, 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 (1012mbar).
Average wind speed in September
Melle, Belgium
- Average wind speed in September: 12.2km/h
The windiest month (with the highest average wind speed) is December (17.2km/h).
The calmest month (with the lowest average wind speed) is August (12km/h).
Average humidity in September
Melle, Belgium
- Average humidity in September: 78%
The month with the highest relative humidity is December (87%).
The months with the lowest relative humidity are April, July and August (74%).
Average rainfall in September
Melle, Belgium
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is June (34mm).
The driest month (with the least rainfall) is September (13mm).
Average rainfall days in September
Melle, Belgium
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is September (10.1 days).
Average snowfall in September
Melle, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Melle, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Melle, 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 1min
The month with the most sunshine is June (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Melle, Belgium
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in September
Melle, 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
Melle, Belgium
- Average cloud cover in September: 44
The months with the most cloud cover are January and December (Cloud cover 63).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in September
Melle, 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).
