Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With the onset of September, Ter Apel's average high-temperature slightly adjusts, moderately receding from August's agreeable 22.1°C (71.8°F) to a comfortable 18.7°C (65.7°F). Ter Apel's September nights cool down to an average low-temperature of 10.8°C (51.4°F).Humidity
In September, the average relative humidity in Ter Apel is 82%.Rainfall
In Ter Apel, Netherlands, in September, during 15.5 rainfall days, 27mm (1.06") of precipitation is typically accumulated. Throughout the year, in Ter Apel, there are 175.1 rainfall days, and 369mm (14.53") of precipitation is accumulated.Snowfall
In Ter Apel, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 06:43 and sunset at 20:20. On the last day of September, in Ter Apel, sunrise is at 07:32 and sunset at 19:10 CEST.
Sunshine
The average sunshine in September in Ter Apel is 6.9h.UV index
In Ter Apel, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What are September temperatures in Ter Apel?
What is the average humidity in September in Ter Apel?
How many days does it rain in September in Ter Apel?
When it does not snow in Ter Apel?
What is the average length of the day in September in Ter Apel?
When is the sunrise / sunset in September in Ter Apel?
How long on average sun shines in September in Ter Apel?
How high is the UV index in September in Ter Apel?
Average temperature in September
Ter Apel, Netherlands
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is August (22.1°C).
The month with the lowest average high temperature is January (4.1°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (0.2°C).
Average pressure in September
Ter Apel, 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 (1011.4mbar).
Average wind speed in September
Ter Apel, Netherlands
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is December (19km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Ter Apel, Netherlands
- Average humidity in September: 82%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Ter Apel, Netherlands
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is June (43mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Ter Apel, Netherlands
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (10.4 days).
Average snowfall in September
Ter Apel, Netherlands
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Ter Apel, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.4 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
Ter Apel, Netherlands
- Average daylight in September: 12h and 4min
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: 6h and 5min
The month with the most sunshine is August (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Ter Apel, Netherlands
- Average sunshine days in September: 10.9 days
The month with the most sunshine days is March (15.8 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in September
Ter Apel, Netherlands
- Average UV index in September: 4
The months with the highest UV index are June and 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
Ter Apel, Netherlands
- Average cloud cover in September: 51
The month with the most cloud cover is December (Cloud cover 70).
The months with the least cloud cover are April and August (Cloud cover 45).
Average visibility in September
Ter Apel, Netherlands
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, October and December (9km).
The months with the lowest visibility are September and November (8km).
Ter Apel, Netherlands
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