September weather forecastDulder, Netherlands
September
Weather in September
September, the first month of the autumn in Dulder, is still a refreshing month, with temperature in the range of an average low of 10.8°C (51.4°F) and an average high of 18.7°C (65.7°F).Temperature
September brings a slight decrease in temperature, down from a pleasant 22.3°C (72.1°F) in August to an enjoyable 18.7°C (65.7°F). The average temperature in Dulder during September nights dips to a fresh 10.8°C (51.4°F).Humidity
The average relative humidity in September in Dulder is 82%.Rainfall
In Dulder, during September, the rain falls for 13.9 days and regularly aggregates up to 33mm (1.3") of precipitation. Throughout the year, in Dulder, there are 196.6 rainfall days, and 510mm (20.08") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Dulder.Daylight
The average length of the day in September in Dulder, Netherlands, is 12h and 40min.On the first day of September in Dulder, sunrise is at 06:44 and sunset at 20:20. On the last day of the month, sunrise is at 07:33 and sunset at 19:12 CEST.
Sunshine
The average sunshine in September in Dulder is 7.5h.UV index
In Dulder, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dulder, Netherlands
- Average high temperature in September: 18.7°C
The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (4.1°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (0.6°C).
Average pressure in September
Dulder, Netherlands
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).
Average wind speed in September
Dulder, Netherlands
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is July (12.1km/h).
Average humidity in September
Dulder, Netherlands
- Average humidity in September: 82%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Dulder, Netherlands
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is June (55mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Dulder, Netherlands
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is September (13.9 days).
Average snowfall in September
Dulder, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (37mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Dulder, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.3 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
Dulder, Netherlands
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 7h and 30min
The months with the most sunshine are July and August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Dulder, Netherlands
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is October (13.5 days).
The month with the least sunshine days is December (7.9 days).
Average UV index in September
Dulder, Netherlands
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Dulder, Netherlands
- Average cloud cover in September: 46
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Dulder, Netherlands
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May, June, July, August, October and November (9km).
The months with the lowest visibility are January, September and December (8km).
