September weather forecastHalfweg, Netherlands
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Halfweg, Netherlands, with temperature in the range of an average low of 13.6°C (56.5°F) and an average high of 18.2°C (64.8°F).Temperature
September registers an average high-temperature of a comfortable 18.2°C (64.8°F), slightly varied from August's 20.8°C (69.4°F). An average low-temperature of 13.6°C (56.5°F) is witnessed throughout the month of September in Halfweg, a mere drop from the daytime peak.Humidity
The average relative humidity in September in Halfweg, Netherlands, is 78%.Rainfall
In Halfweg, during September, the rain falls for 15.8 days and regularly aggregates up to 54mm (2.13") of precipitation. In Halfweg, during the entire year, the rain falls for 176 days and collects up to 512mm (20.16") of precipitation.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 40min.On the first day of September, 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 Halfweg, the average sunshine in September is 7h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Halfweg, Netherlands
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is August (20.8°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in September: 13.6°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (2.7°C).
Average pressure in September
Halfweg, 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 (1011.1mbar).
Average wind speed in September
Halfweg, Netherlands
- Average wind speed in September: 16.5km/h
The windiest month (with the highest average wind speed) is December (24km/h).
The calmest month (with the lowest average wind speed) is July (15.2km/h).
Average humidity in September
Halfweg, 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 (75%).
Average rainfall in September
Halfweg, Netherlands
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is August (67mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Halfweg, Netherlands
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in September
Halfweg, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (14mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Halfweg, Netherlands
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2.6 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
Halfweg, 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 0min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Halfweg, Netherlands
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is April (17.5 days).
The month with the least sunshine days is December (10.5 days).
Average UV index in September
Halfweg, 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
Halfweg, Netherlands
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Halfweg, Netherlands
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are November and December (9km).
