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
September marks a gentle change in average high-temperature, declining from August's moderately hot 24.7°C (76.5°F) to an agreeable 20.2°C (68.4°F). Throughout the nights in September, an average low-temperature of 9.7°C (49.5°F) is noted.Humidity
The average relative humidity in September is 77%.Rainfall
September is the month with the least rainfall. Rain falls for 10.4 days and accumulates 28mm (1.1") of precipitation.Snowfall
April through September are months without snowfall.Daylight
In Unterharmersbach, Germany, the average length of the day in September is 12h and 35min.On the first day of September, sunrise is at 06:45 and sunset at 20:09. On the last day of the month, sunrise is at 07:26 and sunset at 19:08 CEST.
Sunshine
In Unterharmersbach, the average sunshine in September is 9h.UV index
In Unterharmersbach, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In September, the UV index of 4 transforms into the following advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Unterharmersbach have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Unterharmersbach, Germany
- Average high temperature in September: 20.2°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (3.9°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (-1.1°C).
Average pressure in September
Unterharmersbach, Germany
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is November (1015.3mbar).
Average wind speed in September
Unterharmersbach, Germany
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is December (10.6km/h).
The calmest month (with the lowest average wind speed) is August (7.6km/h).
Average humidity in September
Unterharmersbach, Germany
- Average humidity in September: 77%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall in September
Unterharmersbach, Germany
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in September
Unterharmersbach, Germany
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is September (10.4 days).
Average snowfall in September
Unterharmersbach, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (73mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Unterharmersbach, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Unterharmersbach, 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: 9h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 30min).
Average sunshine days in September
Unterharmersbach, Germany
- Average sunshine days in September: 16.4 days
The months with the most sunshine days are September and October (16.4 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in September
Unterharmersbach, 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, November and December (UV index 2).
Average cloud cover in September
Unterharmersbach, Germany
- Average cloud cover in September: 33
The months with the most cloud cover are January and December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Unterharmersbach, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, February, October, November and December (8km).
