September weather forecastUnterroth, Germany
September
Weather in September
September, the first month of the autumn in Unterroth, is still a comfortable month, with an average temperature ranging between max 18.2°C (64.8°F) and min 7.7°C (45.9°F).Temperature
September brings a slight decrease in the average high-temperature, shifting from a pleasant 22.8°C (73°F) in August to a refreshing 18.2°C (64.8°F). Unterroth's temperature lowers to a mean of 7.7°C (45.9°F) during the nights in September.Humidity
In Unterroth, the average relative humidity in September is 84%.Rainfall
In Unterroth, during September, the rain falls for 15.1 days and regularly aggregates up to 58mm (2.28") of precipitation. In Unterroth, during the entire year, the rain falls for 173.5 days and collects up to 856mm (33.7") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Unterroth, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:37 and sunset at 20:00. On the last day of September, sunrise is at 07:17 and sunset at 19:00 CEST.
Sunshine
The average sunshine in September is 8.4h.UV index
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 ordinary individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Undertake precautions - Guarding against sun damage is counselled. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. 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
Average temperature in September
Unterroth, Germany
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is July (23°C).
The month with the lowest average high temperature is January (2.1°C).
- Average low temperature in September: 7.7°C
The month with the highest average low temperature is August (11.7°C).
The coldest month (with the lowest average low temperature) is February (-3.9°C).
Average pressure in September
Unterroth, Germany
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in September
Unterroth, Germany
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is March (12km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).
Average humidity in September
Unterroth, Germany
- Average humidity in September: 84%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is April (79%).
Average rainfall in September
Unterroth, Germany
- Average rainfall in September: 58mm
The wettest month (with the highest rainfall) is August (110mm).
The driest month (with the least rainfall) is April (44mm).
Average rainfall days in September
Unterroth, Germany
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is May (21.8 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in September
Unterroth, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (258mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Unterroth, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Unterroth, Germany
- Average daylight in September: 12h and 36min
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 24min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Unterroth, Germany
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is May (7.5 days).
Average UV index in September
Unterroth, 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
Unterroth, Germany
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Unterroth, Germany
- Average visibility in September: 7km
The months with the highest visibility are March, April, May, June, July, August and November (8km).
The months with the lowest visibility are January, February, September, October and December (7km).
