September weather forecastWestdijk, Netherlands
September
Weather in September
September, the first month of the autumn in Westdijk, is still a comfortable month, with an average temperature varying between 18.9°C (66°F) and 11.8°C (53.2°F).Temperature
The shift from August to September includes a small decrease in the average high-temperature, from an agreeable 22.3°C (72.1°F) to an enjoyable 18.9°C (66°F). Westdijk records an average low of 11.8°C (53.2°F) throughout the nights in September.Humidity
In September, the average relative humidity is 80%.Rainfall
In September, the rain falls for 16.6 days. Throughout September, 41mm (1.61") of precipitation is accumulated. Throughout the year, there are 201.9 rainfall days, and 550mm (21.65") of precipitation is accumulated.Snowfall
In Westdijk, snow does not fall in April through October.Daylight
In September, the average length of the day in Westdijk is 12h and 39min.On the first day of September, sunrise is at 06:55 and sunset at 20:28. On the last day of the month, sunrise is at 07:42 and sunset at 19:21 CEST.
Sunshine
In September, the average sunshine is 7.4h.UV index
The average daily maximum UV index in September in Westdijk is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Westdijk, 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
Westdijk, 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
Westdijk, 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
Westdijk, 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
Westdijk, 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
Westdijk, 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
Westdijk, 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
Westdijk, 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
Westdijk, 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
Westdijk, 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
Westdijk, 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
Westdijk, 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
Westdijk, 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).





