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
A modest decline in the average high-temperature is seen during September, decreasing from an agreeable 22.6°C (72.7°F) in August to an enjoyable 19.2°C (66.6°F). During the month of September, an average temperature of 11.5°C (52.7°F) is noted during the nights.Humidity
In Terheijden, the average relative humidity in September is 80%.Rainfall
In Terheijden, in September, it is raining for 15.8 days, with typically 41mm (1.61") of accumulated precipitation. Throughout the year, there are 201.3 rainfall days, and 572mm (22.52") of precipitation is accumulated.Snowfall
In Terheijden, snow does not fall in April through October.Daylight
The average length of the day in September in Terheijden, Netherlands, is 12h and 38min.On the first day of the month, sunrise is at 06:54 and sunset at 20:27. On the last day of September, sunrise is at 07:41 and sunset at 19:20 CEST.
Sunshine
In September, the average sunshine is 7.4h.UV index
In Terheijden, Netherlands, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Take necessary precautions - Defending against sun damage is advocated. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the average September temperature in Terheijden?
What is the average humidity in September in Terheijden?
How much does it rain in Terheijden in September?
When it does not snow in Terheijden?
How many hours of daylight does Terheijden have in September?
When is the sunrise / sunset in September in Terheijden?
How many hours of sunshine does Terheijden have in September?
How high is the UV index in September in Terheijden?
Average temperature in September
Terheijden, Netherlands
- Average high temperature in September: 19.2°C
The warmest month (with the highest average high temperature) is August (22.6°C).
The month with the lowest average high temperature is January (5.1°C).
- Average low temperature in September: 11.5°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 (1.4°C).
Average pressure in September
Terheijden, Netherlands
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).
Average wind speed in September
Terheijden, Netherlands
- Average wind speed in September: 12km/h
The windiest months (with the highest average wind speed) are February and December (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in September
Terheijden, Netherlands
- Average humidity in September: 80%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Terheijden, Netherlands
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is June (63mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Terheijden, Netherlands
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (14.2 days).
Average snowfall in September
Terheijden, Netherlands
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (30mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Terheijden, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.9 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
Terheijden, Netherlands
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Terheijden, Netherlands
- Average sunshine days in September: 10.4 days
The month with the most sunshine days is March (13.8 days).
The month with the least sunshine days is August (7.8 days).
Average UV index in September
Terheijden, 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
Terheijden, Netherlands
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 65).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in September
Terheijden, Netherlands
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
Terheijden, Netherlands
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