September weather forecastIddergem, Belgium
September
Weather in September
September, the first month of the autumn in Iddergem, is still a comfortable month, with an average temperature fluctuating between 19.8°C (67.6°F) and 11.2°C (52.2°F).Temperature
As September arrives, Iddergem's weather displays a minor decrease in high-temperatures, transitioning from August's warm 23.2°C (73.8°F) to an enjoyable 19.8°C (67.6°F). An average nighttime temperature of 11.2°C (52.2°F) is observed during September.Humidity
In Iddergem, the average relative humidity in September is 78%.Rainfall
In September, in Iddergem, the rain falls for 9.8 days. Throughout September, 21mm (0.83") of precipitation is accumulated. In Iddergem, during the entire year, the rain falls for 169.4 days and collects up to 421mm (16.57") of precipitation.Snowfall
In Iddergem, Belgium, snow does not fall in April through October.Daylight
The average length of the day in September in Iddergem, Belgium, is 12h and 38min.On the first day of September in Iddergem, sunrise is at 06:58 and sunset at 20:28. On the last day of the month, sunrise is at 07:43 and sunset at 19:23 CEST.
Sunshine
The average sunshine in September in Iddergem is 7.2h.UV index
In Iddergem, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Iddergem, Belgium
- Average high temperature in September: 19.8°C
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Iddergem, 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 (1012.2mbar).
Average wind speed in September
Iddergem, Belgium
- Average wind speed in September: 12.1km/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 (11.7km/h).
Average humidity in September
Iddergem, Belgium
- Average humidity in September: 78%
The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are April, July and August (75%).
Average rainfall in September
Iddergem, Belgium
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is December (59mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Iddergem, Belgium
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is December (17.9 days).
The month with the least rainy days is September (9.8 days).
Average snowfall in September
Iddergem, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Iddergem, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.4 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
Iddergem, 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 0min).
- Average sunshine in September: 7h and 12min
The month with the most sunshine is June (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Iddergem, Belgium
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is September (18.7 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in September
Iddergem, 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
Iddergem, Belgium
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 43).
Average visibility in September
Iddergem, Belgium
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).
