September weather forecastMarken, Netherlands

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Marken, Netherlands, with temperature in the range of an average high of 18.2°C (64.8°F) and an average low of 12.5°C (54.5°F).

Temperature

September reveals a small adjustment in temperature, transitioning from an average high of a pleasant 21.6°C (70.9°F) in August to a refreshing 18.2°C (64.8°F). Marken experiences a nighttime temperature average of 12.5°C (54.5°F) during September.

Humidity

The average relative humidity in September in Marken is 80%.

Rainfall

In Marken, in September, it is raining for 15.7 days, with typically 45mm (1.77") of accumulated precipitation. In Marken, during the entire year, the rain falls for 189.3 days and collects up to 510mm (20.08") of precipitation.

Snowfall

April through October are months without snowfall in Marken.

Sea temperature

August and September, with an average sea temperature of 18.3°C (64.9°F), are months with the warmest seawater.
Note: The majority find it unenjoyable to swim in 18.3°C (64.9°F). Breathing becomes tougher as the water temperature descends under 21°C (69.8°F).

Daylight

In Marken, the average length of the day in September 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, sunrise is at 07:39 and sunset at 19:18 CEST.

Sunshine

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

UV index

In Marken, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In September, the maximum UV index of 4 transforms into these recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

In Marken, 18.2°C (64.8°F) is the average high-temperature and 12.5°C (54.5°F) is the average low-temperature during September.

In September, the average relative humidity in Marken, Netherlands, is 80%.

In Marken, Netherlands, in September, it is raining for 15.7 days, with typically 45mm (1.77") of accumulated precipitation.

April through October are months without snowfall in Marken.

August and September, with an average sea temperature of 18.3°C (64.9°F), are months with the warmest seawater.

In September, the average sea temperature in Marken, Netherlands, is 18.3°C (64.9°F). Swimming in 18.3°C (64.9°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

The average day length in September in Marken is 12h and 40min.

On the first day of September in Marken, sunrise is at 06:51 and sunset at 20:27. On the last day of the month, sunrise is at 07:39 and sunset at 19:18 CEST.

In September, the average sunshine duration in Marken is 7.1h.

The average daily maximum UV index in September in Marken, Netherlands, is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
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 sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Marken, Netherlands

  • Average high temperature in September: 18.2°C

The warmest month (with the highest average high temperature) is August (21.6°C).
The month with the lowest average high temperature is January (5.3°C).

  • Average low temperature in September: 12.5°C

The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (2°C).

Average pressure in September
Marken, Netherlands

  • Average pressure in September: 1016.8mbar

The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).

Average wind speed in September
Marken, Netherlands

  • Average wind speed in September: 14km/h

The windiest month (with the highest average wind speed) is December (20.4km/h).
The calmest months (with the lowest average wind speed) are July and August (13.2km/h).

Average humidity in September
Marken, Netherlands

  • Average humidity in September: 80%

The month with the highest relative humidity is December (86%).
The month with the lowest relative humidity is April (75%).

Average rainfall in September
Marken, Netherlands

  • Average rainfall in September: 45mm

The wettest month (with the highest rainfall) is August (55mm).
The driest month (with the least rainfall) is April (18mm).

Average rainfall days in September
Marken, Netherlands

  • Average rainfall days in September: 15.7 days

The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is April (12.2 days).

Average snowfall in September
Marken, Netherlands

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Marken, Netherlands

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in September
Marken, Netherlands

  • Average sea temperature in September: 18.3°C

The best months for swimming (with the highest average sea temperature) are August and September (18.3°C).
The coldest month (with the lowest average sea temperature) is March (6.6°C).

Average daylight in September /
Average sunshine in September
Marken, Netherlands

  • Average daylight in September: 12h and 42min

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 6min

The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

Average sunshine days in September
Marken, Netherlands

  • Average sunshine days in September: 11.1 days

The month with the most sunshine days is March (15.1 days).
The month with the least sunshine days is December (8 days).

Average UV index in September
Marken, 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
Marken, 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 40).

Average visibility in September
Marken, Netherlands

  • Average visibility in September: 9km

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