September weather forecastErtvelde, Belgium
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Ertvelde, Belgium, with temperature in the range of an average low of 11.8°C (53.2°F) and an average high of 19.8°C (67.6°F).Temperature
Ertvelde observes a small decrease in the average high-temperature with the arrival of September, falling from August's moderately hot 23°C (73.4°F) to a refreshing 19.8°C (67.6°F). In September, Ertvelde reports a consistent average low-temperature of 11.8°C (53.2°F) during the nights.Humidity
In September, the average relative humidity in Ertvelde, Belgium, is 77%.Rainfall
In September, the rain falls for 10.4 days. Throughout September, 19mm (0.75") of precipitation is accumulated. In Ertvelde, during the entire year, the rain falls for 157 days and collects up to 278mm (10.94") of precipitation.Snowfall
In Ertvelde, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 06:59 and sunset at 20:30. On the last day of September, sunrise is at 07:44 and sunset at 19:24 CEST.
Sunshine
The average sunshine in September is 7.2h.UV index
In Ertvelde, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. When the Sun is at its strongest around midday, find shade and limit exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ertvelde, Belgium
- Average high temperature in September: 19.8°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: 11.8°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
Ertvelde, Belgium
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1012mbar).
Average wind speed in September
Ertvelde, Belgium
- Average wind speed in September: 12.3km/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
Ertvelde, Belgium
- Average humidity in September: 77%
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
Ertvelde, Belgium
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is June (34mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Ertvelde, Belgium
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is September (10.4 days).
Average snowfall in September
Ertvelde, 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
Ertvelde, 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
Ertvelde, Belgium
- Average daylight in September: 12h and 36min
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 12min
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 24min).
Average sunshine days in September
Ertvelde, Belgium
- Average sunshine days in September: 16.1 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
Ertvelde, 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
Ertvelde, 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
Ertvelde, 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).
