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
Appeltern's September weather shows a modest shift in high-temperatures, falling from August's agreeable 22.4°C (72.3°F) to a refreshing 18.9°C (66°F). In Appeltern, the expected average low-temperature for September is a cool 11°C (51.8°F).Humidity
In September, the average relative humidity is 81%.Rainfall
In Appeltern, in September, it is raining for 15.9 days, with typically 39mm (1.54") of accumulated precipitation. Throughout the year, there are 203.8 rainfall days, and 547mm (21.54") of precipitation is accumulated.Snowfall
In Appeltern, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 39min.On the first day of September, sunrise is at 06:50 and sunset at 20:24. On the last day of the month, sunrise is at 07:37 and sunset at 19:17 CEST.
Sunshine
In September, the average sunshine in Appeltern is 7.4h.UV index
In September, the average daily maximum UV index in Appeltern is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 4 in September transforms into this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What is the average September temperature in Appeltern?
What is the average humidity in September in Appeltern?
How much does it rain in Appeltern in September?
When it does not snow in Appeltern?
How many hours of daylight does Appeltern have in September?
When is the sunrise / sunset in September in Appeltern?
How many hours of sunshine does Appeltern have in September?
What is the UV index intensity in September in Appeltern?
Average temperature in September
Appeltern, Netherlands
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (13.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.2°C).
Average pressure in September
Appeltern, 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 (1012mbar).
Average wind speed in September
Appeltern, Netherlands
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in September
Appeltern, Netherlands
- Average humidity in September: 81%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Appeltern, Netherlands
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Appeltern, Netherlands
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is April (14.3 days).
Average snowfall in September
Appeltern, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (34mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Appeltern, Netherlands
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (3.8 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
Appeltern, 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 July (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Appeltern, Netherlands
- Average sunshine days in September: 10.8 days
The month with the most sunshine days is April (13.2 days).
The months with the least sunshine days are June and August (8.3 days).
Average UV index in September
Appeltern, 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
Appeltern, Netherlands
- Average cloud cover in September: 46
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
Appeltern, Netherlands
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (9km).
The month with the lowest visibility is September (8km).
Appeltern, Netherlands
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