September weather forecastDeelen, Netherlands
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Deelen, Netherlands, with an average temperature fluctuating between 18.8°C (65.8°F) and 10.8°C (51.4°F).Temperature
The move into September indicates a slight reduction in the average high-temperature, down from August's pleasant 22.3°C (72.1°F) to a comfortable 18.8°C (65.8°F). In Deelen, September nights cool down to an average of 10.8°C (51.4°F).Humidity
In September, the average relative humidity in Deelen is 82%.Rainfall
In Deelen, in September, it is raining for 15 days, with typically 36mm (1.42") of accumulated precipitation. In Deelen, Netherlands, during the entire year, the rain falls for 198.7 days and collects up to 539mm (21.22") of precipitation.Snowfall
In Deelen, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 39min.On the first day of September, sunrise is at 06:49 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 Deelen, the average sunshine in September is 7.2h.UV index
The average daily maximum UV index in September in Deelen, Netherlands, is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Deelen, 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 (4.6°C).
- Average low temperature in September: 10.8°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 (0.8°C).
Average pressure in September
Deelen, Netherlands
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).
Average wind speed in September
Deelen, Netherlands
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is December (17.7km/h).
The calmest months (with the lowest average wind speed) are July and August (11.7km/h).
Average humidity in September
Deelen, 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
Deelen, Netherlands
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is June (55mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in September
Deelen, Netherlands
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is February (14.5 days).
Average snowfall in September
Deelen, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Deelen, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Deelen, 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 12min
The month with the most sunshine is July (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Deelen, Netherlands
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is April (13.1 days).
The month with the least sunshine days is December (7.3 days).
Average UV index in September
Deelen, 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
Deelen, 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 43).
Average visibility in September
Deelen, 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).
