September weather forecastTerdiek, Netherlands
September
Weather in September
September, the first month of the autumn in Terdiek, is still a refreshing month, with an average temperature varying between 17.7°C (63.9°F) and 13.4°C (56.1°F).Temperature
Terdiek marks the onset of September with an average high-temperature of a comfortable 17.7°C (63.9°F), subtly divergent from August's 20.6°C (69.1°F). Terdiek sustains an average of approximately a moderate 13.4°C (56.1°F) during September nights, with little variation from daytime highs.Humidity
In September, the average relative humidity is 79%.Rainfall
In September, the rain falls for 13.7 days. Throughout September, 26mm (1.02") of precipitation is accumulated. Throughout the year, there are 160.4 rainfall days, and 266mm (10.47") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In Terdiek, the average length of the day in September is 12h and 40min.On the first day of September in Terdiek, sunrise is at 06:51 and sunset at 20:28. On the last day of the month, sunrise is at 07:40 and sunset at 19:19 CEST.
Sunshine
The average sunshine in September is 7.2h.UV index
In September, the average daily maximum UV index in Terdiek is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 4 during September leads to these advisories:
Act with care - Obligation to protect against skin and eye damage is highlighted. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Terdiek, Netherlands
- Average high temperature in September: 17.7°C
The warmest month (with the highest average high temperature) is August (20.6°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in September: 13.4°C
The month with the highest average low temperature is August (15.6°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).
Average pressure in September
Terdiek, Netherlands
- Average pressure in September: 1016.5mbar
The months with the highest atmospheric pressure are May and September (1016.5mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in September
Terdiek, Netherlands
- Average wind speed in September: 17.1km/h
The windiest month (with the highest average wind speed) is December (24.8km/h).
The calmest month (with the lowest average wind speed) is July (15.6km/h).
Average humidity in September
Terdiek, Netherlands
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Terdiek, Netherlands
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is August (37mm).
The driest month (with the least rainfall) is April (8mm).
Average rainfall days in September
Terdiek, Netherlands
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is August (16.7 days).
The month with the least rainy days is April (9.1 days).
Average snowfall in September
Terdiek, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Terdiek, 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
Terdiek, Netherlands
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 7h and 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Terdiek, Netherlands
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is April (18.4 days).
The month with the least sunshine days is December (9.7 days).
Average UV index in September
Terdiek, 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
Terdiek, Netherlands
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 66).
The months with the least cloud cover are April and August (Cloud cover 39).
Average visibility in September
Terdiek, Netherlands
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
