September weather forecastNootdorp, Netherlands
September
Weather in September
September, the first month of the autumn in Nootdorp, is still a refreshing month, with an average temperature ranging between max 18.1°C (64.6°F) and min 13.8°C (56.8°F).Temperature
As September arrives, Nootdorp's weather displays a minor decrease in high-temperatures, transitioning from August's agreeable 21.1°C (70°F) to a comfortable 18.1°C (64.6°F). The month of September in Nootdorp shows a minor drop from daytime temperatures, generally recording a low average of 13.8°C (56.8°F).Humidity
In September, the average relative humidity in Nootdorp is 77%.Rainfall
In Nootdorp, in September, it is raining for 16.8 days, with typically 51mm (2.01") of accumulated precipitation. In Nootdorp, during the entire year, the rain falls for 198.4 days and collects up to 554mm (21.81") of precipitation.Snowfall
In Nootdorp, snow does not fall in May through October.Daylight
In Nootdorp, the average length of the day in September is 12h and 39min.On the first day of the month, sunrise is at 06:55 and sunset at 20:29. On the last day of September, in Nootdorp, sunrise is at 07:42 and sunset at 19:21 CEST.
Sunshine
In Nootdorp, Netherlands, the average sunshine in September is 7.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 during September translates into the following guidance:
Undertake protective steps - Preventing sun damage is advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nootdorp, Netherlands
- Average high temperature in September: 18.1°C
The warmest month (with the highest average high temperature) is August (21.1°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in September: 13.8°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (2.9°C).
Average pressure in September
Nootdorp, Netherlands
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).
Average wind speed in September
Nootdorp, Netherlands
- Average wind speed in September: 17.7km/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 (16.2km/h).
Average humidity in September
Nootdorp, Netherlands
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are April and August (75%).
Average rainfall in September
Nootdorp, Netherlands
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is August (65mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Nootdorp, Netherlands
- Average rainfall days in September: 16.8 days
The months with the highest number of rainy days are August and December (19.8 days).
The month with the least rainy days is April (12.3 days).
Average snowfall in September
Nootdorp, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (24mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Nootdorp, 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 daylight in September /
Average sunshine in September
Nootdorp, 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 12min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Nootdorp, Netherlands
- Average sunshine days in September: 10 days
The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is December (7.1 days).
Average UV index in September
Nootdorp, 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
Nootdorp, Netherlands
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Nootdorp, Netherlands
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
