September weather forecastBieshaar, Netherlands
September
Weather in September
September, the first month of the autumn in Bieshaar, is still a refreshing month, with an average temperature ranging between max 18.7°C (65.7°F) and min 11.5°C (52.7°F).Temperature
The advent of September brings a slight shift in average high-temperature, moving from an agreeable 22.1°C (71.8°F) in August to a comfortable 18.7°C (65.7°F). During September, the nighttime temperature averages to a cool 11.5°C (52.7°F).Humidity
In September, the average relative humidity in Bieshaar is 81%.Rainfall
In Bieshaar, in September, during 12 rainfall days, 25mm (0.98") of precipitation is typically accumulated. Throughout the year, there are 173.5 rainfall days, and 441mm (17.36") of precipitation is accumulated.Snowfall
In Bieshaar, snow does not fall in April through October.Daylight
In Bieshaar, Netherlands, the average length of the day in September is 12h and 39min.On the first day of the month, sunrise is at 06:50 and sunset at 20:25. On the last day of September, sunrise is at 07:38 and sunset at 19:17 CEST.
Sunshine
In September, the average sunshine in Bieshaar is 7.4h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bieshaar, Netherlands
- Average high temperature in September: 18.7°C
The warmest months (with the highest average high temperature) are July and August (22.1°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (1.4°C).
Average pressure in September
Bieshaar, Netherlands
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).
Average wind speed in September
Bieshaar, Netherlands
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest months (with the lowest average wind speed) are July and August (12km/h).
Average humidity in September
Bieshaar, Netherlands
- Average humidity in September: 81%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Bieshaar, Netherlands
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is December (45mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Bieshaar, Netherlands
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is September (12 days).
Average snowfall in September
Bieshaar, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (29mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Bieshaar, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (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
Bieshaar, Netherlands
- Average daylight in September: 12h and 42min
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 24min
The months with the most sunshine are June and July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Bieshaar, Netherlands
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is February (11.7 days).
Average UV index in September
Bieshaar, 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
Bieshaar, Netherlands
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Bieshaar, 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).
