September weather forecastAchthuizen, Netherlands

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Achthuizen, Netherlands, with an average temperature varying between 14°C (57.2°F) and 18.3°C (64.9°F).

Temperature

In September, the average high-temperature registers at a comfortable 18.3°C (64.9°F), nearly identical to August's 20.9°C (69.6°F). Nighttime temperatures in Achthuizen hover around an average low of 14°C (57.2°F) in September, a slight descent from daytime highs.

Humidity

In September, the average relative humidity in Achthuizen is 77%.

Rainfall

In Achthuizen, Netherlands, during September, the rain falls for 14.3 days and regularly aggregates up to 28mm (1.1") of precipitation. Throughout the year, there are 167.9 rainfall days, and 321mm (12.64") of precipitation is accumulated.

Snowfall

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

Daylight

In Achthuizen, the average length of the day in September is 12h and 38min.
On the first day of the month, sunrise is at 06:56 and sunset at 20:29. On the last day of September, in Achthuizen, Netherlands, sunrise is at 07:42 and sunset at 19:22 CEST.

Sunshine

The average sunshine in September in Achthuizen is 7.4h.

UV index

In Achthuizen, Netherlands, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the UV index of 4 transforms into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

The average high-temperature and low-temperature during September are 18.3°C (64.9°F) and 14°C (57.2°F) respectively.

In September, the average relative humidity in Achthuizen is 77%.

In Achthuizen, in September, it is raining for 14.3 days, with typically 28mm (1.1") of accumulated precipitation.

April through October are months without snowfall in Achthuizen.

In Achthuizen, the average day length in September is 12h and 38min.

In September, on the first day of the month, sunrise is at 06:56 and sunset at 20:29. On the last day of the month, in Achthuizen, sunrise is at 07:42 and sunset at 19:22 CEST.

In Achthuizen, the average sunshine duration in September is 7.4h.

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Achthuizen, Netherlands

  • Average high temperature in September: 18.3°C

The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (6°C).

  • Average low temperature in September: 14°C

The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (3.1°C).

Average pressure in September
Achthuizen, 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 (1011.4mbar).

Average wind speed in September
Achthuizen, Netherlands

  • Average wind speed in September: 17.8km/h

The windiest month (with the highest average wind speed) is December (24.9km/h).
The calmest month (with the lowest average wind speed) is July (16.3km/h).

Average humidity in September
Achthuizen, Netherlands

  • Average humidity in September: 77%

The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is April (75%).

Average rainfall in September
Achthuizen, Netherlands

  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is August (43mm).
The driest month (with the least rainfall) is April (11mm).

Average rainfall days in September
Achthuizen, Netherlands

  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is October (17 days).
The month with the least rainy days is April (9.6 days).

Average snowfall in September
Achthuizen, Netherlands

  • Average snowfall in September: 0mm

The months with the highest snowfall are January and February (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Achthuizen, Netherlands

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.9 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
Achthuizen, Netherlands

  • Average daylight in September: 12h and 36min

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 24min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).

Average sunshine days in September
Achthuizen, Netherlands

  • Average sunshine days in September: 11.5 days

The month with the most sunshine days is April (17.8 days).
The months with the least sunshine days are November and December (9.7 days).

Average UV index in September
Achthuizen, 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
Achthuizen, Netherlands

  • Average cloud cover in September: 42

The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in September
Achthuizen, Netherlands

  • Average visibility in September: 10km

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