September weather forecast
De Valk, Netherlands

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September

Weather in September

September, the first month of the autumn in De Valk, is still a refreshing month, with an average temperature fluctuating between 18.6°C (65.5°F) and 11.3°C (52.3°F).

Temperature

The advent of September brings a subtle shift in temperature, with the average high moving from a pleasant 22.2°C (72°F) in August to a refreshing 18.6°C (65.5°F). An average low-temperature of 11.3°C (52.3°F) marks the month of September in De Valk.

Humidity

In De Valk, the average relative humidity in September is 82%.

Rainfall

In De Valk, in September, during 10.6 rainfall days, 16mm (0.63") of precipitation is typically accumulated. Throughout the year, there are 139.2 rainfall days, and 217mm (8.54") of precipitation is accumulated.

Snowfall

April through October are months without snowfall in De Valk, Netherlands.

Daylight

In De Valk, the average length of the day in September is 12h and 39min.
On the first day of September in De Valk, sunrise is at 06:49 and sunset at 20:24. On the last day of the month, sunrise is at 07:37 and sunset at 19:16 CEST.

Sunshine

In De Valk, the average sunshine in September is 7.3h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 4 transforms into these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in De Valk?
During September, De Valk experiences an average high-temperature of 18.6°C (65.5°F) and a low-temperature of 11.3°C (52.3°F).
What is the average humidity in September in De Valk?
In De Valk, the average relative humidity in September is 82%.
How many days does it rain in September in De Valk?
In De Valk, in September, during 10.6 rainfall days, 16mm (0.63") of precipitation is typically accumulated.
When it does not snow in De Valk?
In De Valk, snow does not fall in April through October.
What is the average length of the day in September in De Valk?
The average day length in September in De Valk is 12h and 39min.
When are sunrise and sunset in September in De Valk?
In September, on the first day of the month, sunrise is at 06:49 and sunset at 20:24. On the last day of the month, sunrise is at 07:37 and sunset at 19:16 CEST.
How long on average sun shines in September in De Valk?
In September, the average sunshine duration in De Valk is 7.3h.
What is the UV index intensity in September in De Valk?
In De Valk, Netherlands, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJASeptemberOND
Aug
September
Oct
Average high temperature
22.2°C
18.6°C
14.3°C
Average low temperature
13.9°C
11.3°C
8.3°C
Average pressure
1015.2mbar
1017mbar
1015.8mbar
Average wind speed
12km/h
12.4km/h
14.3km/h
Average max. wind speed
12.9km/h
12.9km/h
15.3km/h
Average wind speed gusts
18.9km/h
20km/h
23.7km/h
Average humidity
78%
82%
85%
Average rainfall
25mm
16mm
15mm
Average rainfall days
15
10.6
10.6
Average snowfall
0mm
0mm
0mm
Average snowfall days
0
0
0
Average daylight
14h 4min
12h 4min
10h 4min
Average sunshine
9h 0min
7h 2min
4h 5min
Average sunshine days
12.2
14.7
15.9
Average UV index
5
4
3
Average cloud cover
41%
45%
53%
Average visibility
9km
9km
9km
Average temperature in September
De Valk, Netherlands
  • Average high temperature in September: 18.6°C

The warmest month (with the highest average high temperature) is August (22.2°C).
The month with the lowest average high temperature is January (4.6°C).

  • Average low temperature in September: 11.3°C

The month with the highest average low temperature is August (13.9°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).

Average pressure in September
De Valk, 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 (1011.7mbar).

Average wind speed in September
De Valk, Netherlands
  • Average wind speed in September: 12.4km/h

The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest months (with the lowest average wind speed) are July and August (12km/h).

Average humidity in September
De Valk, 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
De Valk, Netherlands
  • Average rainfall in September: 16mm

The wettest month (with the highest rainfall) is July (26mm).
The driest month (with the least rainfall) is April (10mm).

Average rainfall days in September
De Valk, Netherlands
  • Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (9 days).

Average snowfall in September
De Valk, Netherlands
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (18mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
De Valk, Netherlands
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (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 Valk, Netherlands
  • Average daylight in September: 12h and 4min

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 2min

The months with the most sunshine are June and July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

Average sunshine days in September
De Valk, Netherlands
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is April (17.8 days).
The month with the least sunshine days is August (12.2 days).

Average UV index in September
De Valk, 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 Valk, Netherlands
  • Average cloud cover in September: 45

The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 41).

Average visibility in September
De Valk, 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).

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