September weather forecastHerkenrade, Netherlands

September

Weather in September

September, the first month of the autumn in Herkenrade, is still a comfortable month, with temperature in the range of an average low of 10.8°C (51.4°F) and an average high of 19.2°C (66.6°F).

Temperature

With the onset of September, Herkenrade's climate undergoes a slight change as the average high-temperature moves from an agreeable 22.9°C (73.2°F) in August to an enjoyable 19.2°C (66.6°F). Throughout September, an average nighttime temperature of 10.8°C (51.4°F) is experienced in Herkenrade.

Humidity

The average relative humidity in September in Herkenrade is 79%.

Rainfall

In September, the rain falls for 11.7 days. Throughout September, 27mm (1.06") of precipitation is accumulated. In Herkenrade, during the entire year, the rain falls for 173.4 days and collects up to 460mm (18.11") of precipitation.

Snowfall

April through October are months without snowfall in Herkenrade.

Daylight

In Herkenrade, the average length of the day in September 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, in Herkenrade, sunrise is at 07:36 and sunset at 19:16 CEST.

Sunshine

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

UV index

In Herkenrade, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Take precautions - Protection against skin and eye damage is obliged. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

In Herkenrade, 19.2°C (66.6°F) is the average high-temperature and 10.8°C (51.4°F) is the average low-temperature during September.

In Herkenrade, the average relative humidity in September is 79%.

In September, in Herkenrade, the rain falls for 11.7 days. Throughout September, 27mm (1.06") of precipitation is accumulated.

In Herkenrade, Netherlands, snow does not fall in April through October.

The average day length in September in Herkenrade, Netherlands, is 12h and 38min.

On the first day of September in Herkenrade, 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.

In September, the average sunshine duration in Herkenrade is 7.9h.

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Herkenrade, Netherlands

  • Average high temperature in September: 19.2°C

The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (4.7°C).

  • Average low temperature in September: 10.8°C

The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).

Average pressure in September
Herkenrade, Netherlands

  • Average pressure in September: 1017.4mbar

The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).

Average wind speed in September
Herkenrade, Netherlands

  • Average wind speed in September: 11.2km/h

The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).

Average humidity in September
Herkenrade, Netherlands

  • Average humidity in September: 79%

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

Average rainfall in September
Herkenrade, Netherlands

  • Average rainfall in September: 27mm

The wettest months (with the highest rainfall) are June and December (49mm).
The driest month (with the least rainfall) is April (21mm).

Average rainfall days in September
Herkenrade, Netherlands

  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is September (11.7 days).

Average snowfall in September
Herkenrade, Netherlands

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (46mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Herkenrade, Netherlands

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (5.5 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
Herkenrade, 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 18min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

Average sunshine days in September
Herkenrade, Netherlands

  • Average sunshine days in September: 16.9 days

The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is June (9.3 days).

Average UV index in September
Herkenrade, 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
Herkenrade, Netherlands

  • Average cloud cover in September: 42

The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 39).

Average visibility in September
Herkenrade, 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).