September weather forecastDalen, Netherlands
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Dalen, Netherlands, with an average temperature fluctuating between 18.5°C (65.3°F) and 10.9°C (51.6°F).Temperature
The onset of September entails a subtle temperature shift, as the average high-temperature eases from a pleasant 22°C (71.6°F) in August to an enjoyable 18.5°C (65.3°F). In September, Dalen's temperature tends to fall to an average low of 10.9°C (51.6°F) during the night.Humidity
In September, the average relative humidity is 82%.Rainfall
In Dalen, during September, the rain falls for 17.3 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, in Dalen, Netherlands, there are 203.1 rainfall days, and 528mm (20.79") of precipitation is accumulated.Snowfall
In Dalen, snow does not fall in May through October.Daylight
The average length of the day in September in Dalen is 12h and 40min.On the first day of September in Dalen, sunrise is at 06:44 and sunset at 20:21. On the last day of the month, sunrise is at 07:33 and sunset at 19:12 CEST.
Sunshine
In September, the average sunshine is 7.5h.UV index
In Dalen, Netherlands, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 in September translates into these instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dalen, Netherlands
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (22°C).
The month with the lowest average high temperature is January (4°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (0.4°C).
Average pressure in September
Dalen, Netherlands
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed in September
Dalen, Netherlands
- Average wind speed in September: 13km/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 July (12.5km/h).
Average humidity in September
Dalen, 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 (74%).
Average rainfall in September
Dalen, Netherlands
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is June (60mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Dalen, Netherlands
- Average rainfall days in September: 17.3 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is February (13.9 days).
Average snowfall in September
Dalen, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is December (32mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Dalen, Netherlands
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (4.8 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
Dalen, Netherlands
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Dalen, Netherlands
- Average sunshine days in September: 9.3 days
The month with the most sunshine days is March (14.2 days).
The month with the least sunshine days is June (7.2 days).
Average UV index in September
Dalen, 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
Dalen, Netherlands
- Average cloud cover in September: 47
The month with the most cloud cover is December (Cloud cover 67).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in September
Dalen, Netherlands
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (9km).
The month with the lowest visibility is September (8km).
