Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
In September, the meteorological conditions change slightly, with the average high-temperature moving from a pleasant 22°C (71.6°F) in August to a refreshing 18.7°C (65.7°F). Pijnacker experiences a mean temperature of 12.8°C (55°F) during September nights.Humidity
In September, the average relative humidity is 78%.Rainfall
In Pijnacker, during September, the rain falls for 9.4 days and regularly aggregates up to 13mm (0.51") of precipitation. In Pijnacker, during the entire year, the rain falls for 130.3 days and collects up to 205mm (8.07") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 39min.On the first day of September, sunrise is at 06:55 and sunset at 20:29. On the last day of the month, sunrise is at 07:42 and sunset at 19:21 CEST.
Sunshine
In September, the average sunshine in Pijnacker is 7.1h.UV index
In September, the average daily maximum UV index in Pijnacker is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. It's recommended to limit sun exposure when its radiation is at its peak during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What is the average September temperature in Pijnacker?
What is the average humidity in September in Pijnacker?
How many days does it rain in September in Pijnacker?
When it does not snow in Pijnacker?
What is the average length of the day in September in Pijnacker?
When is the sunrise / sunset in September in Pijnacker?
How many hours of sunshine does Pijnacker have in September?
What is the UV index intensity in September in Pijnacker?
Average temperature in September
Pijnacker, Netherlands
- Average high temperature in September: 18.7°C
The warmest months (with the highest average high temperature) are July and August (22°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in September: 12.8°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in September
Pijnacker, Netherlands
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).
Average wind speed in September
Pijnacker, Netherlands
- Average wind speed in September: 14km/h
The windiest month (with the highest average wind speed) is December (20.2km/h).
The calmest months (with the lowest average wind speed) are July and August (13.6km/h).
Average humidity in September
Pijnacker, Netherlands
- Average humidity in September: 78%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Pijnacker, Netherlands
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is June (24mm).
The driest month (with the least rainfall) is April (9mm).
Average rainfall days in September
Pijnacker, Netherlands
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in September
Pijnacker, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Pijnacker, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.2 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
Pijnacker, Netherlands
- Average daylight in September: 12h and 4min
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 1min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Pijnacker, Netherlands
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is April (17.5 days).
The month with the least sunshine days is July (13 days).
Average UV index in September
Pijnacker, 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
Pijnacker, Netherlands
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Pijnacker, Netherlands
- Average visibility in September: 9km
The months with the highest visibility are April, May, June and August (10km).
The months with the lowest visibility are January, February, March, July, September, October, November and December (9km).
Pijnacker, Netherlands
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