September weather forecastHalder, Netherlands

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Halder, Netherlands, with an average temperature varying between 18.9°C (66°F) and 11.1°C (52°F).

Temperature

The advent of September brings a slight shift in average high-temperature, moving from a pleasant 22.4°C (72.3°F) in August to a comfortable 18.9°C (66°F). Halder encounters a steady low-temperature average of 11.1°C (52°F) throughout the month of September.

Humidity

The average relative humidity in September in Halder is 81%.

Rainfall

In Halder, Netherlands, in September, it is raining for 6.9 days, with typically 6mm (0.24") of accumulated precipitation. Throughout the year, there are 91.9 rainfall days, and 110mm (4.33") of precipitation is accumulated.

Snowfall

In Halder, snow does not fall in April through October.

Daylight

The average length of the day in September in Halder is 12h and 38min.
On the first day of the month, sunrise is at 06:52 and sunset at 20:25. On the last day of September, in Halder, sunrise is at 07:38 and sunset at 19:18 CEST.

Sunshine

The average sunshine in September is 7.6h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 4 suggests this advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

The high-temperature in Halder during September is 18.9°C (66°F) and the low-temperature is 11.1°C (52°F).

The average relative humidity in September is 81%.

In Halder, Netherlands, in September, during 6.9 rainfall days, 6mm (0.24") of precipitation is typically accumulated.

April through October are months without snowfall in Halder.

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

On the first day of September in Halder, Netherlands, sunrise is at 06:52 and sunset at 20:25. On the last day of the month, sunrise is at 07:38 and sunset at 19:18 CEST.

The average sunshine duration in September in Halder is 7.6h.

In Halder, Netherlands, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Halder, Netherlands

  • Average high temperature in September: 18.9°C

The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (4.8°C).

  • Average low temperature in September: 11.1°C

The month with the highest average low temperature is August (13.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).

Average pressure in September
Halder, Netherlands

  • Average pressure in September: 1017.2mbar

The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1012mbar).

Average wind speed in September
Halder, Netherlands

  • Average wind speed in September: 11.7km/h

The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.4km/h).

Average humidity in September
Halder, Netherlands

  • Average humidity in September: 81%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (74%).

Average rainfall in September
Halder, Netherlands

  • Average rainfall in September: 6mm

The wettest months (with the highest rainfall) are June and August (12mm).
The driest month (with the least rainfall) is April (4mm).

Average rainfall days in September
Halder, Netherlands

  • Average rainfall days in September: 6.9 days

The month with the highest number of rainy days is December (9.5 days).
The month with the least rainy days is April (6.1 days).

Average snowfall in September
Halder, Netherlands

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Halder, Netherlands

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Halder, 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 36min

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

Average sunshine days in September
Halder, Netherlands

  • Average sunshine days in September: 19.5 days

The month with the most sunshine days is April (22.7 days).
The month with the least sunshine days is August (16.3 days).

Average UV index in September
Halder, 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
Halder, Netherlands

  • Average cloud cover in September: 45

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 41).

Average visibility in September
Halder, 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).