September weather forecastBlankenham, Netherlands

September

Weather in September

September, the first month of the autumn in Blankenham, is still a refreshing month, with an average temperature varying between 11.3°C (52.3°F) and 18.2°C (64.8°F).

Temperature

In September, the meteorological conditions change slightly, with the average high-temperature moving from an agreeable 21.5°C (70.7°F) in August to a refreshing 18.2°C (64.8°F). In Blankenham, September nights witness a steady temperature drop to a cool 11.3°C (52.3°F).

Humidity

In September, the average relative humidity in Blankenham is 82%.

Rainfall

In Blankenham, in September, it is raining for 18.3 days, with typically 51mm (2.01") of accumulated precipitation. In Blankenham, Netherlands, during the entire year, the rain falls for 189.1 days and collects up to 507mm (19.96") of precipitation.

Snowfall

In Blankenham, snow does not fall in May through October.

Daylight

The average length of the day in September is 12h and 40min.
On the first day of September in Blankenham, sunrise is at 06:47 and sunset at 20:24. On the last day of the month, sunrise is at 07:36 and sunset at 19:15 CEST.

Sunshine

In September, the average sunshine is 6.9h.

UV index

The average daily maximum UV index in September in Blankenham is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 4 in September translates into these instructions:
Take precautions - Protection against skin and eye damage is obliged. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

In Blankenham, in September, the average high-temperature is 18.2°C (64.8°F), and the average low-temperature is 11.3°C (52.3°F).

In Blankenham, Netherlands, the average relative humidity in September is 82%.

In Blankenham, Netherlands, in September, during 18.3 rainfall days, 51mm (2.01") of precipitation is typically accumulated.

In Blankenham, Netherlands, snow does not fall in May through October.

The average day length in September in Blankenham, Netherlands, is 12h and 40min.

On the first day of September in Blankenham, Netherlands, sunrise is at 06:47 and sunset at 20:24. On the last day of the month, sunrise is at 07:36 and sunset at 19:15 CEST.

In Blankenham, Netherlands, the average sunshine duration in September is 6.9h.

In September, the average daily maximum UV index in Blankenham is 4. A UV Index value of 3 to 5 symbolizes 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Blankenham, Netherlands

  • Average high temperature in September: 18.2°C

The warmest month (with the highest average high temperature) is August (21.5°C).
The month with the lowest average high temperature is January (4.9°C).

  • Average low temperature in September: 11.3°C

The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is February (1°C).

Average pressure in September
Blankenham, Netherlands

  • Average pressure in September: 1016.4mbar

The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1011mbar).

Average wind speed in September
Blankenham, Netherlands

  • Average wind speed in September: 13.7km/h

The windiest month (with the highest average wind speed) is December (20.4km/h).
The calmest month (with the lowest average wind speed) is August (13.3km/h).

Average humidity in September
Blankenham, Netherlands

  • Average humidity in September: 82%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (77%).

Average rainfall in September
Blankenham, Netherlands

  • Average rainfall in September: 51mm

The wettest month (with the highest rainfall) is August (59mm).
The driest month (with the least rainfall) is April (21mm).

Average rainfall days in September
Blankenham, Netherlands

  • Average rainfall days in September: 18.3 days

The month with the highest number of rainy days is August (20.2 days).
The months with the least rainy days are February and April (11.4 days).

Average snowfall in September
Blankenham, Netherlands

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (17mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Blankenham, Netherlands

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2.8 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
Blankenham, Netherlands

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).

  • Average sunshine in September: 6h and 54min

The month with the most sunshine is June (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).

Average sunshine days in September
Blankenham, Netherlands

  • Average sunshine days in September: 9.3 days

The month with the most sunshine days is April (16.8 days).
The month with the least sunshine days is August (8 days).

Average UV index in September
Blankenham, Netherlands

  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Blankenham, Netherlands

  • Average cloud cover in September: 48

The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 42).

Average visibility in September
Blankenham, 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).