September weather forecastBethlehem, Netherlands
September
Weather in September
September, the first month of the autumn in Bethlehem, is also an enjoyable month, with temperature in the range of an average low of 11.7°C (53.1°F) and an average high of 18.1°C (64.6°F).Temperature
The beginning of September brings a slight decrease in the average high-temperature, transitioning from an agreeable 21.3°C (70.3°F) in August to an enjoyable 18.1°C (64.6°F). In September, in Bethlehem, the average low-temperature is a cool 11.7°C (53.1°F).Humidity
In September, the average relative humidity is 82%.Rainfall
In Bethlehem, during September, the rain falls for 15.5 days and regularly aggregates up to 30mm (1.18") of precipitation. In Bethlehem, during the entire year, the rain falls for 179.4 days and collects up to 340mm (13.39") of precipitation.Snowfall
April through October are months without snowfall in Bethlehem.Daylight
In Bethlehem, the average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 06:43 and sunset at 20:22. On the last day of September, sunrise is at 07:34 and sunset at 19:12 CEST.
Sunshine
In September, the average sunshine in Bethlehem, Netherlands, is 7.1h.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 unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 4 in September translates into this advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bethlehem, Netherlands
- Average high temperature in September: 18.1°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 (4.4°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is February (1°C).
Average pressure in September
Bethlehem, 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 (1011.1mbar).
Average wind speed in September
Bethlehem, Netherlands
- Average wind speed in September: 15km/h
The windiest month (with the highest average wind speed) is December (21.2km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity in September
Bethlehem, 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 (77%).
Average rainfall in September
Bethlehem, Netherlands
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is June (41mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Bethlehem, Netherlands
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in September
Bethlehem, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Bethlehem, 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
Bethlehem, 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 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Bethlehem, Netherlands
- Average sunshine days in September: 10.2 days
The months with the most sunshine days are March and April (14.8 days).
The month with the least sunshine days is December (9 days).
Average UV index in September
Bethlehem, 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
Bethlehem, Netherlands
- Average cloud cover in September: 46
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
Bethlehem, Netherlands
- Average visibility in September: 9km
The months with the highest visibility are April and August (10km).
The months with the lowest visibility are January, February, March, May, June, July, September, October, November and December (9km).
