September weather forecast
Dalem, Netherlands

September

Weather in September

September, the first month of the autumn in Dalem, is also an enjoyable month, with an average temperature ranging between min 11.3°C (52.3°F) and max 18.8°C (65.8°F).

Temperature

As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from an agreeable 22.3°C (72.1°F) to an enjoyable 18.8°C (65.8°F). During the nights in September, Dalem experiences a consistent average temperature of 11.3°C (52.3°F).

Humidity

In September, the average relative humidity in Dalem is 81%.

Rainfall

In Dalem, during September, the rain falls for 9.3 days and regularly aggregates up to 14mm (0.55") of precipitation. Throughout the year, there are 133.4 rainfall days, and 227mm (8.94") of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day in Dalem is 12h and 39min.
On the first day of the month, sunrise is at 06:53 and sunset at 20:26. On the last day of September, sunrise is at 07:40 and sunset at 19:19 CEST.

Sunshine

In September, the average sunshine in Dalem is 7.1h.

UV index

In Dalem, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 4 during September morphs into the following directions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

What is the temperature in September in Dalem?
The average high-temperature and low-temperature during September are 18.8°C (65.8°F) and 11.3°C (52.3°F) respectively.
What is the average humidity in September in Dalem?
In Dalem, the average relative humidity in September is 81%.
How much does it rain in Dalem in September?
In Dalem, Netherlands, in September, during 9.3 rainfall days, 14mm (0.55") of precipitation is typically accumulated.
When it does not snow in Dalem?
April through October are months without snowfall in Dalem, Netherlands.
What is the average length of the day in September in Dalem?
In Dalem, the average day length in September is 12h and 39min.
When is the sunrise / sunset in September in Dalem?
On the first day of September in Dalem, sunrise is at 06:53 and sunset at 20:26. On the last day of the month, sunrise is at 07:40 and sunset at 19:19 CEST.
How long on average sun shines in September in Dalem?
In September, the average sunshine duration in Dalem is 7.1h.
What is the UV index reading in September in Dalem?
In September, the average daily maximum UV index in Dalem, Netherlands, is 4. A UV Index estimate 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Dalem, Netherlands
  • Average high temperature in September: 18.8°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 (5.2°C).

  • Average low temperature in September: 11.3°C

The month with the highest average low temperature is August (14°C).
The coldest months (with the lowest average low temperature) are January and February (1.4°C).

Average pressure in September
Dalem, 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 (1011.6mbar).

Average wind speed in September
Dalem, Netherlands
  • Average wind speed in September: 11.9km/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 (11.7km/h).

Average humidity in September
Dalem, 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 (75%).

Average rainfall in September
Dalem, Netherlands
  • Average rainfall in September: 14mm

The wettest months (with the highest rainfall) are June and July (25mm).
The driest month (with the least rainfall) is April (11mm).

Average rainfall days in September
Dalem, Netherlands
  • Average rainfall days in September: 9.3 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is October (9.2 days).

Average snowfall in September
Dalem, Netherlands
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (26mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Dalem, 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
Dalem, Netherlands
  • Average daylight in September: 12h and 4min

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 1min

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 30min).

Average sunshine days in September
Dalem, Netherlands
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in September
Dalem, 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
Dalem, Netherlands
  • Average cloud cover in September: 47

The month with the most cloud cover is December (Cloud cover 66).
The months with the least cloud cover are April and August (Cloud cover 43).

Average visibility in September
Dalem, 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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