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 average high-temperature shows a slight dip in September, from August's agreeable 22.5°C (72.5°F) to a comfortable 19°C (66.2°F). Throughout the month of September, Diessen witnesses an average temperature of 11.2°C (52.2°F).Humidity
In Diessen, the average relative humidity in September is 81%.Rainfall
In Diessen, in September, it is raining for 9.9 days, with typically 19mm (0.75") of accumulated precipitation. In Diessen, Netherlands, during the entire year, the rain falls for 155.2 days and collects up to 344mm (13.54") of precipitation.Snowfall
April through October are months without snowfall in Diessen.Daylight
In September, the average length of the day is 12h and 38min.On the first day of the month, sunrise is at 06:52 and sunset at 20:25. On the last day of September, sunrise is at 07:39 and sunset at 19:18 CEST.
Sunshine
In Diessen, Netherlands, the average sunshine in September is 7.4h.UV index
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 ordinary person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Diessen?
What is the average humidity in September in Diessen?
How many days does it rain in September in Diessen?
When it does not snow in Diessen?
How many hours of daylight does Diessen have in September?
What time are sunrise and sunset in September in Diessen?
How many hours of sunshine does Diessen have in September?
What is the UV index intensity in September in Diessen?
Average temperature in September
Diessen, Netherlands
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in September: 11.2°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 (1.3°C).
Average pressure in September
Diessen, 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 (1012.1mbar).
Average wind speed in September
Diessen, Netherlands
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in September
Diessen, Netherlands
- Average humidity in September: 81%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Diessen, Netherlands
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is June (41mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Diessen, Netherlands
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is September (9.9 days).
Average snowfall in September
Diessen, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (28mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Diessen, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 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
Diessen, 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 0min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Diessen, Netherlands
- Average sunshine days in September: 17.4 days
The months with the most sunshine days are September and October (17.4 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in September
Diessen, 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
Diessen, 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 43).
Average visibility in September
Diessen, 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).
