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
The introduction of September sees an average high-temperature of an enjoyable 17.8°C (64°F), hardly deviating from August. Kolhorn, in the month of September, notes an average low temperature of 13.3°C (55.9°F), indicating a small decrease from the daytime highs.Humidity
In Kolhorn, the average relative humidity in September is 79%.Rainfall
In Kolhorn, in September, during 14 rainfall days, 28mm (1.1") of precipitation is typically accumulated. Throughout the year, there are 160.7 rainfall days, and 268mm (10.55") of precipitation is accumulated.Snowfall
In Kolhorn, snow does not fall in April through November.Daylight
The average length of the day in September in Kolhorn is 12h and 40min.On the first day of the month, sunrise is at 06:51 and sunset at 20:28. On the last day of September, in Kolhorn, sunrise is at 07:40 and sunset at 19:19 CEST.
Sunshine
In September, the average sunshine is 7.2h.UV index
In September, the average daily maximum UV index in Kolhorn is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Kolhorn?
What is the average humidity in September in Kolhorn?
How many days does it rain in September in Kolhorn?
When it does not snow in Kolhorn?
What is the average length of the day in September in Kolhorn?
When is the sunrise / sunset in September in Kolhorn?
How long on average sun shines in September in Kolhorn?
How high is the UV index in September in Kolhorn?
Average temperature in September
Kolhorn, Netherlands
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is August (20.6°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in September: 13.3°C
The month with the highest average low temperature is August (15.6°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).
Average pressure in September
Kolhorn, Netherlands
- Average pressure in September: 1016.5mbar
The months with the highest atmospheric pressure are May and September (1016.5mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in September
Kolhorn, Netherlands
- Average wind speed in September: 17.1km/h
The windiest month (with the highest average wind speed) is December (24.8km/h).
The calmest month (with the lowest average wind speed) is July (15.6km/h).
Average humidity in September
Kolhorn, Netherlands
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Kolhorn, Netherlands
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is August (37mm).
The driest month (with the least rainfall) is April (8mm).
Average rainfall days in September
Kolhorn, Netherlands
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is August (16.7 days).
The month with the least rainy days is April (9.1 days).
Average snowfall in September
Kolhorn, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Kolhorn, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (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
Kolhorn, 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: 7h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Kolhorn, Netherlands
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is April (18.4 days).
The month with the least sunshine days is December (9.7 days).
Average UV index in September
Kolhorn, 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
Kolhorn, Netherlands
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 66).
The months with the least cloud cover are April and August (Cloud cover 39).
Average visibility in September
Kolhorn, Netherlands
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
