September weather forecastKeutenberg, Netherlands

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Keutenberg, Netherlands, with temperature in the range of an average high of 18.7°C (65.7°F) and an average low of 10.5°C (50.9°F).

Temperature

The beginning of September subtly marks a decrease in the average high-temperature, transitioning from an agreeable 22.6°C (72.7°F) in August to a refreshing 18.7°C (65.7°F). Keutenberg experiences an average low-temperature of 10.5°C (50.9°F) in month of September.

Humidity

The average relative humidity in September is 80%.

Rainfall

In Keutenberg, in September, during 12.2 rainfall days, 28mm (1.1") of precipitation is typically accumulated. In Keutenberg, during the entire year, the rain falls for 182.5 days and collects up to 482mm (18.98") of precipitation.

Snowfall

April through October are months without snowfall in Keutenberg.

Daylight

In September, the average length of the day is 12h and 38min.
On the first day of the month, sunrise is at 06:51 and sunset at 20:21. On the last day of September, sunrise is at 07:36 and sunset at 19:16 CEST.

Sunshine

In September, the average sunshine in Keutenberg, Netherlands, is 7.9h.

UV index

In September, the average daily maximum UV index in Keutenberg is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The UV index of 4 during September leads to these advisories:
Heed the precautions - Suggestions to avoid sunburn are made. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

In Keutenberg, in September, the average high-temperature is 18.7°C (65.7°F), and the average low-temperature is 10.5°C (50.9°F).

In Keutenberg, Netherlands, the average relative humidity in September is 80%.

In Keutenberg, Netherlands, in September, it is raining for 12.2 days, with typically 28mm (1.1") of accumulated precipitation.

April through October are months without snowfall.

In September, the average day length is 12h and 38min.

On the first day of September in Keutenberg, Netherlands, sunrise is at 06:51 and sunset at 20:21. On the last day of the month, sunrise is at 07:36 and sunset at 19:16 CEST.

The average sunshine duration in September in Keutenberg, Netherlands, is 7.9h.

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from 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
Keutenberg, Netherlands

  • Average high temperature in September: 18.7°C

The warmest months (with the highest average high temperature) are July and August (22.6°C).
The month with the lowest average high temperature is January (4.3°C).

  • Average low temperature in September: 10.5°C

The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (0.4°C).

Average pressure in September
Keutenberg, Netherlands

  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).

Average wind speed in September
Keutenberg, Netherlands

  • Average wind speed in September: 11.4km/h

The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).

Average humidity in September
Keutenberg, Netherlands

  • Average humidity in September: 80%

The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is April (75%).

Average rainfall in September
Keutenberg, Netherlands

  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is April (22mm).

Average rainfall days in September
Keutenberg, Netherlands

  • Average rainfall days in September: 12.2 days

The months with the highest number of rainy days are May and July (18 days).
The month with the least rainy days is September (12.2 days).

Average snowfall in September
Keutenberg, Netherlands

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (48mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Keutenberg, Netherlands

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.9 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
Keutenberg, Netherlands

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in September: 7h and 54min

The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).

Average sunshine days in September
Keutenberg, Netherlands

  • Average sunshine days in September: 15.5 days

The months with the most sunshine days are September and October (15.5 days).
The month with the least sunshine days is June (9.8 days).

Average UV index in September
Keutenberg, 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
Keutenberg, Netherlands

  • Average cloud cover in September: 42

The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in September
Keutenberg, Netherlands

  • Average visibility in September: 9km

The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and December (8km).