Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September's onset brings a negligible change in high-temperatures, falling from a pleasant 22.3°C (72.1°F) in August to a comfortable 18.8°C (65.8°F). During September, Het Loo observes a consistent average nighttime temperature of 10.9°C (51.6°F).Humidity
In September, the average relative humidity in Het Loo is 82%.Rainfall
In Het Loo, in September, it is raining for 16.3 days, with typically 40mm (1.57") of accumulated precipitation. Throughout the year, there are 200.7 rainfall days, and 547mm (21.54") of precipitation is accumulated.Snowfall
In Het Loo, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 40min.On the first day of September in Het Loo, sunrise is at 06:48 and sunset at 20:23. On the last day of the month, sunrise is at 07:36 and sunset at 19:15 CEST.
Sunshine
In September, the average sunshine in Het Loo is 7.3h.UV index
The average daily maximum UV index in September in Het Loo is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Het Loo?
What is the average humidity in September in Het Loo?
How many days does it rain in September in Het Loo?
When it does not snow in Het Loo?
How many hours of daylight does Het Loo have in September?
When are sunrise and sunset in September in Het Loo?
How many hours of sunshine does Het Loo have in September?
What is the UV index reading in September in Het Loo?
Average temperature in September
Het Loo, Netherlands
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (4.5°C).
- Average low temperature in September: 10.9°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 (0.7°C).
Average pressure in September
Het Loo, 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 (1011.8mbar).
Average wind speed in September
Het Loo, Netherlands
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is December (18km/h).
The calmest months (with the lowest average wind speed) are July and August (11.8km/h).
Average humidity in September
Het Loo, 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
Het Loo, Netherlands
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is July (59mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Het Loo, Netherlands
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is April (13.9 days).
Average snowfall in September
Het Loo, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is December (28mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Het Loo, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.6 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
Het Loo, Netherlands
- Average daylight in September: 12h and 4min
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 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Het Loo, Netherlands
- Average sunshine days in September: 10.4 days
The month with the most sunshine days is April (13.9 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in September
Het Loo, Netherlands
- Average UV index in September: 4
The month with the highest UV index is June (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Het Loo, Netherlands
- Average cloud cover in September: 46
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in September
Het Loo, 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).
