September weather forecastKeizersdijk, Netherlands

September

Weather in September

September, the first month of the autumn in Keizersdijk, is also an enjoyable month, with an average temperature ranging between min 11.8°C (53.2°F) and max 18.9°C (66°F).

Temperature

The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's agreeable 22.3°C (72.1°F) to an enjoyable 18.9°C (66°F). Throughout September, the average low-temperature records at a fresh 11.8°C (53.2°F).

Humidity

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

Rainfall

In September, in Keizersdijk, the rain falls for 16.6 days. Throughout September, 41mm (1.61") of precipitation is accumulated. In Keizersdijk, during the entire year, the rain falls for 201.9 days and collects up to 550mm (21.65") of precipitation.

Snowfall

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

Daylight

The average length of the day in September in Keizersdijk is 12h and 38min.
On the first day of September in Keizersdijk, Netherlands, sunrise is at 06:54 and sunset at 20:28. On the last day of the month, sunrise is at 07:41 and sunset at 19:21 CEST.

Sunshine

In Keizersdijk, Netherlands, the average sunshine in September is 7.4h.

UV index

In September, the average daily maximum UV index in Keizersdijk is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

The average high-temperature and low-temperature in Keizersdijk, Netherlands, during September are 18.9°C (66°F) and 11.8°C (53.2°F) respectively.

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

In Keizersdijk, Netherlands, during September, the rain falls for 16.6 days and regularly aggregates up to 41mm (1.61") of precipitation.

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

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

In September, on the first day of the month, sunrise is at 06:54 and sunset at 20:28. On the last day of the month, in Keizersdijk, Netherlands, sunrise is at 07:41 and sunset at 19:21 CEST.

In September, the average sunshine duration is 7.4h.

The average daily maximum UV index in September in Keizersdijk, Netherlands, is 4. A UV Index reading of 3 to 5 represents a moderate health threat 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Keizersdijk, Netherlands

  • Average high temperature in September: 18.9°C

The warmest month (with the highest average high temperature) is July (22.4°C).
The month with the lowest average high temperature is January (5.4°C).

  • Average low temperature in September: 11.8°C

The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).

Average pressure in September
Keizersdijk, Netherlands

  • Average pressure in September: 1017.1mbar

The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).

Average wind speed in September
Keizersdijk, Netherlands

  • Average wind speed in September: 12.4km/h

The windiest month (with the highest average wind speed) is December (18.1km/h).
The calmest month (with the lowest average wind speed) is August (12.2km/h).

Average humidity in September
Keizersdijk, Netherlands

  • Average humidity in September: 80%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (74%).

Average rainfall in September
Keizersdijk, Netherlands

  • Average rainfall in September: 41mm

The wettest month (with the highest rainfall) is August (60mm).
The driest month (with the least rainfall) is April (22mm).

Average rainfall days in September
Keizersdijk, Netherlands

  • Average rainfall days in September: 16.6 days

The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is February (13.4 days).

Average snowfall in September
Keizersdijk, Netherlands

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (27mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Keizersdijk, Netherlands

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.3 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
Keizersdijk, 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: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

Average sunshine days in September
Keizersdijk, Netherlands

  • Average sunshine days in September: 10.3 days

The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is August (7.7 days).

Average UV index in September
Keizersdijk, 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
Keizersdijk, Netherlands

  • Average cloud cover in September: 44

The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and August (Cloud cover 40).

Average visibility in September
Keizersdijk, 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).