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
September
Weather in September
Temperature
With the onset of September, the average high-temperature subtly recedes from August's pleasant 22.9°C (73.2°F) to a comfortable 18.9°C (66°F). Kotten witnesses a consistent average low-temperature of 11.2°C (52.2°F) throughout September.Humidity
The average relative humidity in September is 79%.Rainfall
In Kotten, during September, the rain falls for 14 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, there are 184.1 rainfall days, and 463mm (18.23") of precipitation is accumulated.Snowfall
In Kotten, snow does not fall in April through October.Daylight
In Kotten, the average length of the day in September is 12h and 39min.On the first day of the month, sunrise is at 06:45 and sunset at 20:19. On the last day of September, in Kotten, sunrise is at 07:33 and sunset at 19:12 CEST.
Sunshine
The average sunshine in September is 7.7h.UV index
In Kotten, 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 exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Take precautions - Protection against sun damage is advised. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Kotten have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Kotten, Netherlands
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (4°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (0.5°C).
Average pressure in September
Kotten, Netherlands
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in September
Kotten, Netherlands
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is July (11.5km/h).
Average humidity in September
Kotten, Netherlands
- Average humidity in September: 79%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Kotten, Netherlands
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Kotten, Netherlands
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is July (18.8 days).
The months with the least rainy days are February and April (13.3 days).
Average snowfall in September
Kotten, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (35mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Kotten, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.9 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
Kotten, 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 month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Kotten, Netherlands
- Average sunshine days in September: 12.2 days
The months with the most sunshine days are March and April (14.3 days).
The month with the least sunshine days is December (9.7 days).
Average UV index in September
Kotten, 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
Kotten, Netherlands
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Kotten, Netherlands
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is December (8km).
