September weather forecastGrootegast, Netherlands
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Grootegast, Netherlands, with an average temperature ranging between min 11.7°C (53.1°F) and max 18°C (64.4°F).Temperature
September brings a minor shift in the average high-temperature, adjusting from a pleasant 21.3°C (70.3°F) in August to a comfortable 18°C (64.4°F). Grootegast's nighttime temperature in September falls to an average of 11.7°C (53.1°F).Humidity
In September, the average relative humidity in Grootegast, Netherlands, is 82%.Rainfall
In September, in Grootegast, Netherlands, the rain falls for 14.7 days. Throughout September, 30mm (1.18") of precipitation is accumulated. Throughout the year, there are 193.8 rainfall days, and 494mm (19.45") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Grootegast.Daylight
In September, the average length of the day is 12h and 41min.On the first day of September, sunrise is at 06:45 and sunset at 20:23. On the last day of the month, sunrise is at 07:35 and sunset at 19:13 CEST.
Sunshine
In Grootegast, the average sunshine in September is 7.1h.UV index
The average daily maximum UV index in September in Grootegast is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Guard yourself - Avoiding sunburn is suggested. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grootegast, Netherlands
- Average high temperature in September: 18°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (1.3°C).
Average pressure in September
Grootegast, Netherlands
- Average pressure in September: 1016.4mbar
The months with the highest atmospheric pressure are May and September (1016.4mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).
Average wind speed in September
Grootegast, Netherlands
- Average wind speed in September: 15.1km/h
The windiest month (with the highest average wind speed) is December (21.7km/h).
The calmest month (with the lowest average wind speed) is July (14.3km/h).
Average humidity in September
Grootegast, Netherlands
- Average humidity in September: 82%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (78%).
Average rainfall in September
Grootegast, Netherlands
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is July (52mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Grootegast, Netherlands
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is April (13.8 days).
Average snowfall in September
Grootegast, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (26mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Grootegast, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.8 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
Grootegast, Netherlands
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 7h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Grootegast, Netherlands
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is December (8.5 days).
Average UV index in September
Grootegast, Netherlands
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Grootegast, Netherlands
- Average cloud cover in September: 47
The month with the most cloud cover is December (Cloud cover 68).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in September
Grootegast, Netherlands
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
