September weather forecastBilderdam, Netherlands
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Bilderdam, Netherlands, with an average temperature varying between 13.2°C (55.8°F) and 18.2°C (64.8°F).Temperature
The advent of September brings a subtle shift in temperature, with the average high moving from a pleasant 21.3°C (70.3°F) in August to a refreshing 18.2°C (64.8°F). Bilderdam notes a consistent average low-temperature of 13.2°C (55.8°F) during September nights.Humidity
In Bilderdam, Netherlands, the average relative humidity in September is 78%.Rainfall
In Bilderdam, in September, during 14.5 rainfall days, 39mm (1.54") of precipitation is typically accumulated. In Bilderdam, Netherlands, during the entire year, the rain falls for 193.3 days and collects up to 526mm (20.71") of precipitation.Snowfall
April through October are months without snowfall in Bilderdam.Daylight
The average length of the day in September in Bilderdam is 12h and 39min.On the first day of September in Bilderdam, sunrise is at 06:53 and sunset at 20:28. On the last day of the month, sunrise is at 07:41 and sunset at 19:20 CEST.
Sunshine
In September, the average sunshine in Bilderdam is 7.2h.UV index
The average daily maximum UV index in September in Bilderdam is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bilderdam, Netherlands
- Average high temperature in September: 18.2°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 (5.6°C).
- Average low temperature in September: 13.2°C
The month with the highest average low temperature is August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (2.6°C).
Average pressure in September
Bilderdam, Netherlands
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).
Average wind speed in September
Bilderdam, Netherlands
- Average wind speed in September: 15.3km/h
The windiest month (with the highest average wind speed) is December (22.2km/h).
The calmest month (with the lowest average wind speed) is July (14.4km/h).
Average humidity in September
Bilderdam, Netherlands
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Bilderdam, Netherlands
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Bilderdam, Netherlands
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is December (20.5 days).
The month with the least rainy days is October (13 days).
Average snowfall in September
Bilderdam, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (28mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Bilderdam, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.6 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
Bilderdam, 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 12min
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 24min).
Average sunshine days in September
Bilderdam, Netherlands
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is December (6.1 days).
Average UV index in September
Bilderdam, 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
Bilderdam, 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 38).
Average visibility in September
Bilderdam, 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).
