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 Unterbrunn, the average high-temperature in September decreases from a moderately hot 23.7°C (74.7°F) in August to a refreshing 18.7°C (65.7°F). Throughout the month of September, the nighttime temperature dips to an average of 8.5°C (47.3°F).Humidity
In Unterbrunn, the average relative humidity in September is 82%.Rainfall
In September, in Unterbrunn, Germany, the rain falls for 15.8 days. Throughout September, 63mm (2.48") of precipitation is accumulated. Throughout the year, in Unterbrunn, there are 169.8 rainfall days, and 840mm (33.07") of precipitation is accumulated.Snowfall
In Unterbrunn, snow does not fall in June through September.Daylight
In Unterbrunn, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:33 and sunset at 19:55. On the last day of September, in Unterbrunn, sunrise is at 07:13 and sunset at 18:55 CEST.
Sunshine
In Unterbrunn, Germany, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September in Unterbrunn, Germany, 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: In September, the maximum UV index of 4 suggests this advice:
Ensure safety - Sun damage prevention is strongly urged. It's recommended to limit sun exposure when its radiation is at its peak during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Unterbrunn in September?
What is the average humidity in September in Unterbrunn?
How many days does it rain in September in Unterbrunn?
When it does not snow in Unterbrunn?
Does it snow in Unterbrunn in September?
What is the average length of the day in September in Unterbrunn?
What time are sunrise and sunset in September in Unterbrunn?
How long on average sun shines in September in Unterbrunn?
What is the UV index intensity in September in Unterbrunn?
Average temperature in September
Unterbrunn, Germany
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).
Average pressure in September
Unterbrunn, Germany
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in September
Unterbrunn, Germany
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest months (with the lowest average wind speed) are August and September (7.7km/h).
Average humidity in September
Unterbrunn, Germany
- Average humidity in September: 82%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Unterbrunn, Germany
- Average rainfall in September: 63mm
The wettest month (with the highest rainfall) is June (121mm).
The driest month (with the least rainfall) is November (25mm).
Average rainfall days in September
Unterbrunn, Germany
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is May (22.9 days).
The month with the least rainy days is November (6.6 days).
Average snowfall in September
Unterbrunn, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (220mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Unterbrunn, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Unterbrunn, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 48min).
Average sunshine days in September
Unterbrunn, Germany
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (5.7 days).
Average UV index in September
Unterbrunn, Germany
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Unterbrunn, Germany
- Average cloud cover in September: 43
The months with the most cloud cover are January and February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Unterbrunn, Germany
- Average visibility in September: 8km
The months with the highest visibility are April and July (9km).
The months with the lowest visibility are January, February and October (7km).
Unterbrunn, Germany
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