September weather forecastHolte, Netherlands
September
Weather in September
September, the first month of the autumn in Holte, is still a comfortable month, with an average temperature ranging between max 18.7°C (65.7°F) and min 10.8°C (51.4°F).Temperature
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from an agreeable 22.1°C (71.8°F) to a refreshing 18.7°C (65.7°F). The average low-temperature in Holte during September nights is a fresh 10.8°C (51.4°F).Humidity
The average relative humidity in September in Holte is 82%.Rainfall
In Holte, during September, the rain falls for 15.5 days and regularly aggregates up to 27mm (1.06") of precipitation. In Holte, Netherlands, during the entire year, the rain falls for 175.1 days and collects up to 369mm (14.53") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Holte is 12h and 40min.On the first day of the month, sunrise is at 06:42 and sunset at 20:20. On the last day of September, sunrise is at 07:32 and sunset at 19:10 CEST.
Sunshine
In Holte, the average sunshine in September is 6.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Be vigilant - Preventing sunburn is recommended. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Holte, Netherlands
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is August (22.1°C).
The month with the lowest average high temperature is January (4.1°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (0.2°C).
Average pressure in September
Holte, Netherlands
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).
Average wind speed in September
Holte, Netherlands
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is December (19km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Holte, Netherlands
- Average humidity in September: 82%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Holte, Netherlands
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is June (43mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Holte, Netherlands
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (10.4 days).
Average snowfall in September
Holte, Netherlands
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Holte, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.4 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
Holte, 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 42min).
- Average sunshine in September: 6h and 54min
The month with the most sunshine is August (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Holte, Netherlands
- Average sunshine days in September: 10.9 days
The month with the most sunshine days is March (15.8 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in September
Holte, Netherlands
- Average UV index in September: 4
The months with the highest UV index are June and 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
Holte, Netherlands
- Average cloud cover in September: 51
The month with the most cloud cover is December (Cloud cover 70).
The months with the least cloud cover are April and August (Cloud cover 45).
Average visibility in September
Holte, Netherlands
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, October and December (9km).
The months with the lowest visibility are September and November (8km).





