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
September
Weather in September
Temperature
The shift into September records an average high-temperature of a comfortable 18.1°C (64.6°F), subtly varied from August's 21°C (69.8°F). Gnephoek's nighttime temperatures in September settle close to daytime highs at an average of 13.8°C (56.8°F).Humidity
In Gnephoek, the average relative humidity in September is 77%.Rainfall
In Gnephoek, in September, during 15.6 rainfall days, 40mm (1.57") of precipitation is typically accumulated. Throughout the year, in Gnephoek, there are 183.4 rainfall days, and 400mm (15.75") of precipitation is accumulated.Snowfall
In Gnephoek, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 39min.On the first day of the month, sunrise is at 06:54 and sunset at 20:28. On the last day of September, in Gnephoek, sunrise is at 07:41 and sunset at 19:20 CEST.
Sunshine
In Gnephoek, Netherlands, the average sunshine in September is 7.1h.UV index
In September, the average daily maximum UV index in Gnephoek is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 4 in September leads to these guidelines:
Be vigilant - Preventing sunburn is recommended. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Gnephoek in September?
What is the average humidity in September in Gnephoek?
How much does it rain in Gnephoek in September?
When it does not snow in Gnephoek?
How many hours of daylight does Gnephoek have in September?
What time are sunrise and sunset in September in Gnephoek?
How many hours of sunshine does Gnephoek have in September?
What is the UV index intensity in September in Gnephoek?
Average temperature in September
Gnephoek, Netherlands
- Average high temperature in September: 18.1°C
The warmest month (with the highest average high temperature) is August (21°C).
The month with the lowest average high temperature is January (5.8°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 (2.8°C).
Average pressure in September
Gnephoek, Netherlands
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).
Average wind speed in September
Gnephoek, Netherlands
- Average wind speed in September: 17.5km/h
The windiest month (with the highest average wind speed) is December (24.7km/h).
The calmest month (with the lowest average wind speed) is July (16.1km/h).
Average humidity in September
Gnephoek, 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
Gnephoek, Netherlands
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Gnephoek, Netherlands
- Average rainfall days in September: 15.6 days
The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is April (11.3 days).
Average snowfall in September
Gnephoek, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Gnephoek, 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
Gnephoek, 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: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Gnephoek, Netherlands
- Average sunshine days in September: 10.8 days
The month with the most sunshine days is April (16.8 days).
The month with the least sunshine days is December (8.1 days).
Average UV index in September
Gnephoek, 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
Gnephoek, Netherlands
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 65).
The months with the least cloud cover are April and August (Cloud cover 38).
Average visibility in September
Gnephoek, Netherlands
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).
