September weather forecastDe Klem, Netherlands

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in De Klem, Netherlands, with an average temperature varying between 11.8°C (53.2°F) and 18.9°C (66°F).

Temperature

The arrival of September corresponds with a light shift in temperature, down from an agreeable 22.3°C (72.1°F) in August to a comfortable 18.9°C (66°F). An average low-temperature of 11.8°C (53.2°F) is noted during the nights in September in De Klem, Netherlands.

Humidity

In September, the average relative humidity is 80%.

Rainfall

In De Klem, Netherlands, in September, during 16.6 rainfall days, 41mm (1.61") of precipitation is typically accumulated. In De Klem, during the entire year, the rain falls for 201.9 days and collects up to 550mm (21.65") of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 38min.
On the first day of the month, sunrise is at 06:55 and sunset at 20:28. On the last day of September, sunrise is at 07:42 and sunset at 19:21 CEST.

Sunshine

In De Klem, the average sunshine in September is 7.4h.

UV index

The average daily maximum UV index in September in De Klem is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 4 in September transforms into the following instructions:
Take precautions - Protection against sunburn is recommended. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

September temperatures vary between a high-temperature of 18.9°C (66°F) and a low-temperature of 11.8°C (53.2°F).

The average relative humidity in September in De Klem, Netherlands, is 80%.

In De Klem, in September, it is raining for 16.6 days, with typically 41mm (1.61") of accumulated precipitation.

April through October are months without snowfall in De Klem.

In De Klem, Netherlands, the average day length in September is 12h and 38min.

In September, on the first day of the month, sunrise is at 06:55 and sunset at 20:28. On the last day of the month, sunrise is at 07:42 and sunset at 19:21 CEST.

The average sunshine duration in September is 7.4h.

In September, the average daily maximum UV index in De Klem is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
De Klem, Netherlands

  • Average high temperature in September: 18.9°C

The warmest month (with the highest average high temperature) is July (22.4°C).
The month with the lowest average high temperature is January (5.4°C).

  • Average low temperature in September: 11.8°C

The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).

Average pressure in September
De Klem, Netherlands

  • Average pressure in September: 1017.1mbar

The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).

Average wind speed in September
De Klem, Netherlands

  • Average wind speed in September: 12.4km/h

The windiest month (with the highest average wind speed) is December (18.1km/h).
The calmest month (with the lowest average wind speed) is August (12.2km/h).

Average humidity in September
De Klem, Netherlands

  • Average humidity in September: 80%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (74%).

Average rainfall in September
De Klem, Netherlands

  • Average rainfall in September: 41mm

The wettest month (with the highest rainfall) is August (60mm).
The driest month (with the least rainfall) is April (22mm).

Average rainfall days in September
De Klem, Netherlands

  • Average rainfall days in September: 16.6 days

The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is February (13.4 days).

Average snowfall in September
De Klem, Netherlands

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (27mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
De Klem, Netherlands

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.3 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
De Klem, Netherlands

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in September: 7h and 24min

The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

Average sunshine days in September
De Klem, Netherlands

  • Average sunshine days in September: 10.3 days

The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is August (7.7 days).

Average UV index in September
De Klem, 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
De Klem, Netherlands

  • Average cloud cover in September: 44

The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and August (Cloud cover 40).

Average visibility in September
De Klem, Netherlands

  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).