September weather forecast
Purmer, Netherlands

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Purmer, Netherlands, with an average temperature fluctuating between 13.5°C (56.3°F) and 18°C (64.4°F).

Temperature

As Purmer transitions from August to September, the average high-temperatures adjust to an enjoyable 18°C (64.4°F), nearly the same as the previous 20.8°C (69.4°F). In Purmer, the September nights are characterized by an average low-temperature of 13.5°C (56.3°F), a minor dip from daytime readings.

Humidity

In September, the average relative humidity is 78%.

Rainfall

In September, in Purmer, the rain falls for 15.6 days. Throughout September, 51mm (2.01") of precipitation is accumulated. In Purmer, during the entire year, the rain falls for 175.8 days and collects up to 509mm (20.04") of precipitation.

Snowfall

In Purmer, snow does not fall in April through November.

Daylight

The average length of the day in September in Purmer is 12h and 40min.
On the first day of the month, sunrise is at 06:51 and sunset at 20:27. On the last day of September, in Purmer, sunrise is at 07:40 and sunset at 19:19 CEST.

Sunshine

In Purmer, the average sunshine in September is 7h.

UV index

In Purmer, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In September, a regular UV index of 4 translates into these guidelines:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

What is the usual temperature for Purmer in September?
The high-temperature, in September, in Purmer, is 18°C (64.4°F), while the low-temperature averages to 13.5°C (56.3°F).
What is the average humidity in September in Purmer?
In September, the average relative humidity in Purmer is 78%.
How much does it rain in Purmer in September?
In Purmer, during September, the rain falls for 15.6 days and regularly aggregates up to 51mm (2.01") of precipitation.
When it does not snow in Purmer?
April through November are months without snowfall.
What is the average length of the day in September in Purmer?
In September, the average day length in Purmer, Netherlands, is 12h and 40min.
When are sunrise and sunset in September in Purmer?
In September, on the first day of the month, sunrise is at 06:51 and sunset at 20:27. On the last day of the month, sunrise is at 07:40 and sunset at 19:19 CEST.
How many hours of sunshine does Purmer have in September?
The average sunshine duration in September is 7h.
How high is the UV index in September in Purmer?
In Purmer, Netherlands, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Purmer, Netherlands
  • Average high temperature in September: 18°C

The warmest month (with the highest average high temperature) is August (20.8°C).
The month with the lowest average high temperature is January (5.6°C).

  • Average low temperature in September: 13.5°C

The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (2.7°C).

Average pressure in September
Purmer, 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 (1011.1mbar).

Average wind speed in September
Purmer, Netherlands
  • Average wind speed in September: 16.8km/h

The windiest month (with the highest average wind speed) is December (24km/h).
The calmest month (with the lowest average wind speed) is July (15.2km/h).

Average humidity in September
Purmer, 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 (75%).

Average rainfall in September
Purmer, Netherlands
  • Average rainfall in September: 51mm

The wettest month (with the highest rainfall) is August (67mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in September
Purmer, Netherlands
  • Average rainfall days in September: 15.6 days

The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is February (10.3 days).

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

The month with the highest snowfall is February (14mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Purmer, Netherlands
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (2.6 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
Purmer, 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 0min

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

Average sunshine days in September
Purmer, Netherlands
  • Average sunshine days in September: 12.2 days

The month with the most sunshine days is April (17.5 days).
The month with the least sunshine days is December (10.5 days).

Average UV index in September
Purmer, 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
Purmer, 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 39).

Average visibility in September
Purmer, Netherlands
  • Average visibility in September: 10km

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

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