September weather forecast
Aalsmeerderbrug, Netherlands

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Aalsmeerderbrug, Netherlands, with an average temperature fluctuating between 18°C (64.4°F) and 13.1°C (55.6°F).

Temperature

Aalsmeerderbrug records a mild change in average high-temperature during September, easing from an agreeable 21.3°C (70.3°F) in August to a comfortable 18°C (64.4°F). Recording a slight drop from the daily maximum, Aalsmeerderbrug notes an average low temperature of 13.1°C (55.6°F) in the month of September.

Humidity

In Aalsmeerderbrug, Netherlands, the average relative humidity in September is 78%.

Rainfall

In September, in Aalsmeerderbrug, Netherlands, the rain falls for 14.4 days. Throughout September, 39mm (1.54") of precipitation is accumulated. Throughout the year, in Aalsmeerderbrug, there are 193.2 rainfall days, and 526mm (20.71") of precipitation is accumulated.

Snowfall

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

Daylight

In Aalsmeerderbrug, the average length of the day in September is 12h and 40min.
On the first day of September, sunrise is at 06:53 and sunset at 20:28. On the last day of the month, sunrise is at 07:41 and sunset at 19:20 CEST.

Sunshine

The average sunshine in September in Aalsmeerderbrug is 7.3h.

UV index

In Aalsmeerderbrug, 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 unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

What is the usual temperature for Aalsmeerderbrug in September?
Aalsmeerderbrug in September has an average high-temperature of 18°C (64.4°F) and an average low-temperature of 13.1°C (55.6°F).
What is the average humidity in September in Aalsmeerderbrug?
In Aalsmeerderbrug, the average relative humidity in September is 78%.
How much does it rain in Aalsmeerderbrug in September?
In Aalsmeerderbrug, during September, the rain falls for 14.4 days and regularly aggregates up to 39mm (1.54") of precipitation.
When it does not snow in Aalsmeerderbrug?
April through October are months without snowfall in Aalsmeerderbrug, Netherlands.
How many hours of daylight does Aalsmeerderbrug have in September?
In September, the average day length in Aalsmeerderbrug is 12h and 40min.
When is the sunrise / sunset in September in Aalsmeerderbrug?
On the first day of September, sunrise is at 06:53 and sunset at 20:28. On the last day of the month, sunrise is at 07:41 and sunset at 19:20 CEST.
How long on average sun shines in September in Aalsmeerderbrug?
In Aalsmeerderbrug, the average sunshine duration in September is 7.3h.
What is the UV index reading in September in Aalsmeerderbrug?
In Aalsmeerderbrug, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk 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 - Aalsmeerderbrug, Netherlands
Average temperature in September
Aalsmeerderbrug, Netherlands
  • Average high temperature in September: 18°C

The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (5.6°C).

  • Average low temperature in September: 13.1°C

The month with the highest average low temperature is August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (2.6°C).

Average pressure in September - Aalsmeerderbrug, Netherlands
Average pressure in September
Aalsmeerderbrug, Netherlands
  • Average pressure in September: 1016.7mbar

The month with the highest atmospheric pressure is September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).

Average wind speed in September - Aalsmeerderbrug, Netherlands
Average wind speed in September
Aalsmeerderbrug, Netherlands
  • Average wind speed in September: 15.6km/h

The windiest month (with the highest average wind speed) is December (22.2km/h).
The calmest month (with the lowest average wind speed) is July (14.4km/h).

Average humidity in September - Aalsmeerderbrug, Netherlands
Average humidity in September
Aalsmeerderbrug, Netherlands
  • Average humidity in September: 78%

The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is April (74%).

Average rainfall in September - Aalsmeerderbrug, Netherlands
Average rainfall in September
Aalsmeerderbrug, Netherlands
  • Average rainfall in September: 39mm

The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is April (22mm).

Average rainfall days in September - Aalsmeerderbrug, Netherlands
Average rainfall days in September
Aalsmeerderbrug, Netherlands
  • Average rainfall days in September: 14.4 days

The month with the highest number of rainy days is December (20.5 days).
The month with the least rainy days is October (13 days).

Average snowfall in September - Aalsmeerderbrug, Netherlands
Average snowfall in September
Aalsmeerderbrug, Netherlands
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (28mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September - Aalsmeerderbrug, Netherlands
Average snowfall days in September
Aalsmeerderbrug, Netherlands
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.6 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 - Aalsmeerderbrug, Netherlands
Average daylight in September /
Average sunshine in September
Aalsmeerderbrug, 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 month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

Average sunshine days in September - Aalsmeerderbrug, Netherlands
Average sunshine days in September
Aalsmeerderbrug, Netherlands
  • Average sunshine days in September: 13 days

The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is December (6.1 days).

Average UV index in September - Aalsmeerderbrug, Netherlands
Average UV index in September
Aalsmeerderbrug, 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 - Aalsmeerderbrug, Netherlands
Average cloud cover in September
Aalsmeerderbrug, Netherlands
  • Average cloud cover in September: 43

The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in September - Aalsmeerderbrug, Netherlands
Average visibility in September
Aalsmeerderbrug, Netherlands
  • Average visibility in September: 10km

The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).

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