September weather forecastDen Ilp, Netherlands
September
Weather in September
September, the first month of the autumn in Den Ilp, is still a refreshing month, with an average temperature fluctuating between 18°C (64.4°F) and 13.5°C (56.3°F).Temperature
The transition from August to September brings an average high-temperature of a comfortable 18°C (64.4°F), barely different from August's 20.8°C (69.4°F). A modest dip in temperatures to an average of 13.5°C (56.3°F) is observed throughout Den Ilp's September nights.Humidity
In Den Ilp, the average relative humidity in September is 78%.Rainfall
In Den Ilp, in September, during 15.6 rainfall days, 51mm (2.01") of precipitation is typically accumulated. In Den Ilp, during the entire year, the rain falls for 175.8 days and collects up to 509mm (20.04") of precipitation.Snowfall
April through November are months without snowfall in Den Ilp.Daylight
The average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 06:52 and sunset at 20:28. On the last day of September, in Den Ilp, Netherlands, sunrise is at 07:40 and sunset at 19:19 CEST.
Sunshine
The average sunshine in September is 7h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: An average UV index of 4 in September transforms into this advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Den Ilp, Netherlands
- Average high temperature in September: 18°C
The warmest month (with the highest average high temperature) is August (20.8°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in September: 13.5°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (2.7°C).
Average pressure in September
Den Ilp, 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 (1011.1mbar).
Average wind speed in September
Den Ilp, Netherlands
- Average wind speed in September: 16.8km/h
The windiest month (with the highest average wind speed) is December (24km/h).
The calmest month (with the lowest average wind speed) is July (15.2km/h).
Average humidity in September
Den Ilp, Netherlands
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Den Ilp, Netherlands
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is August (67mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Den Ilp, Netherlands
- Average rainfall days in September: 15.6 days
The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in September
Den Ilp, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (14mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Den Ilp, Netherlands
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2.6 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
Den Ilp, 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 0min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Den Ilp, Netherlands
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is April (17.5 days).
The month with the least sunshine days is December (10.5 days).
Average UV index in September
Den Ilp, Netherlands
- 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
Den Ilp, Netherlands
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Den Ilp, Netherlands
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are November and December (9km).
