September weather forecastGroenendijk, Netherlands
September
Weather in September
September, the first month of the autumn in Groenendijk, is also an enjoyable month, with an average temperature varying between 12.8°C (55°F) and 18.9°C (66°F).Temperature
September witnesses a gentle descent in average high-temperature, descending from August's pleasant 21.9°C (71.4°F) to a refreshing 18.9°C (66°F). Throughout September nights, Groenendijk registers an average low-temperature of 12.8°C (55°F).Humidity
In Groenendijk, the average relative humidity in September is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 8.3 days and typically collects 9mm (0.35") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Groenendijk, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 06:57 and sunset at 20:29. On the last day of September, in Groenendijk, sunrise is at 07:43 and sunset at 19:23 CEST.
Sunshine
In September, the average sunshine is 7.4h.UV index
In Groenendijk, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Groenendijk, Netherlands
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (21.9°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 12.8°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is February (2.4°C).
Average pressure in September
Groenendijk, Netherlands
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).
Average wind speed in September
Groenendijk, Netherlands
- Average wind speed in September: 14.7km/h
The windiest month (with the highest average wind speed) is December (20.2km/h).
The calmest month (with the lowest average wind speed) is July (13.8km/h).
Average humidity in September
Groenendijk, Netherlands
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Groenendijk, Netherlands
- Average rainfall in September: 9mm
The wettest months (with the highest rainfall) are July and December (20mm).
The driest month (with the least rainfall) is September (9mm).
Average rainfall days in September
Groenendijk, Netherlands
- Average rainfall days in September: 8.3 days
The months with the highest number of rainy days are July and December (12.4 days).
The month with the least rainy days is September (8.3 days).
Average snowfall in September
Groenendijk, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Groenendijk, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.6 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
Groenendijk, Netherlands
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
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: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in September
Groenendijk, Netherlands
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is April (17.8 days).
The month with the least sunshine days is June (14.2 days).
Average UV index in September
Groenendijk, 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
Groenendijk, Netherlands
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and August (Cloud cover 38).
Average visibility in September
Groenendijk, Netherlands
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
