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
In the transition to September, Aerdt observes a minor drop in the average high-temperature, shifting from an agreeable 22.8°C (73°F) in August to a comfortable 18.9°C (66°F). In September, the temperature in Aerdt drops to an average of 11.1°C (52°F) at night.Humidity
In September, the average relative humidity is 81%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 28mm (1.1") of precipitation is accumulated. In Aerdt, during the entire year, the rain falls for 163.8 days and collects up to 406mm (15.98") of precipitation.Snowfall
In Aerdt, 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 06:48 and sunset at 20:22. On the last day of the month, sunrise is at 07:35 and sunset at 19:15 CEST.
Sunshine
In September, the average sunshine is 7.7h.UV index
In Aerdt, Netherlands, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 in September translates into these instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What are the temperatures in Aerdt in September?
What is the average humidity in September in Aerdt?
How much does it rain in Aerdt in September?
When it does not snow in Aerdt?
How many hours of daylight does Aerdt have in September?
What time are sunrise and sunset in September in Aerdt?
How long on average sun shines in September in Aerdt?
How high is the UV index in September in Aerdt?
Average temperature in September
Aerdt, Netherlands
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (4.7°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in September
Aerdt, Netherlands
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in September
Aerdt, Netherlands
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is December (17.7km/h).
The calmest months (with the lowest average wind speed) are July and August (11.6km/h).
Average humidity in September
Aerdt, 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 (75%).
Average rainfall in September
Aerdt, Netherlands
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is December (43mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Aerdt, Netherlands
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is December (16 days).
The month with the least rainy days is April (11 days).
Average snowfall in September
Aerdt, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Aerdt, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.5 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
Aerdt, 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 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Aerdt, Netherlands
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is April (16.8 days).
The month with the least sunshine days is December (11.2 days).
Average UV index in September
Aerdt, 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
Aerdt, Netherlands
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Aerdt, 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).
Aerdt, Netherlands
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