September weather forecastNaaldwijk, Netherlands
September
Weather in September
September, the first month of the autumn in Naaldwijk, is still a comfortable month, with an average temperature varying between 17.9°C (64.2°F) and 14.5°C (58.1°F).Temperature
Naaldwijk, Netherlands, starts September with an average high-temperature of an enjoyable 17.9°C (64.2°F), a minor shift from August's 20.2°C (68.4°F). In September, Naaldwijk's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of 14.5°C (58.1°F).Humidity
The months with the lowest humidity are April, August and September, with an average relative humidity of 76%.Rainfall
In September, the rain falls for 15.5 days. Throughout September, 37mm (1.46") of precipitation is accumulated. In Naaldwijk, during the entire year, the rain falls for 172 days and collects up to 384mm (15.12") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Naaldwijk, 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 20:30. On the last day of September, sunrise is at 07:43 and sunset at 19:22 CEST.
Sunshine
In Naaldwijk, the average sunshine in September is 7.1h.UV index
In September, the average daily maximum UV index in Naaldwijk, Netherlands, is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Naaldwijk, Netherlands
- Average high temperature in September: 17.9°C
The warmest month (with the highest average high temperature) is August (20.2°C).
The month with the lowest average high temperature is February (5.8°C).
- Average low temperature in September: 14.5°C
The month with the highest average low temperature is August (16.7°C).
The coldest month (with the lowest average low temperature) is February (3.5°C).
Average pressure in September
Naaldwijk, 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 (1011.3mbar).
Average wind speed in September
Naaldwijk, Netherlands
- Average wind speed in September: 20.3km/h
The windiest month (with the highest average wind speed) is December (28.2km/h).
The calmest month (with the lowest average wind speed) is July (18.1km/h).
Average humidity in September
Naaldwijk, Netherlands
- Average humidity in September: 76%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are April, August and September (76%).
Average rainfall in September
Naaldwijk, Netherlands
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is August (55mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Naaldwijk, Netherlands
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is April (9.5 days).
Average snowfall in September
Naaldwijk, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Naaldwijk, 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
Naaldwijk, 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 48min).
- Average sunshine in September: 7h and 6min
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
Naaldwijk, Netherlands
- Average sunshine days in September: 11.1 days
The month with the most sunshine days is April (18.4 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in September
Naaldwijk, 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 and December (UV index 2).
Average cloud cover in September
Naaldwijk, Netherlands
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 66).
The months with the least cloud cover are April and August (Cloud cover 39).
Average visibility in September
Naaldwijk, Netherlands
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
