September weather forecastSerno, Germany
September
Weather in September
September, the first month of the autumn in Serno, is still a refreshing month, with an average temperature varying between 11.1°C (52°F) and 19.6°C (67.3°F).Temperature
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 24.5°C (76.1°F) to an enjoyable 19.6°C (67.3°F). The low-temperature averages to a fresh 11.1°C (52°F) during the nights of September.Humidity
In Serno, Germany, the average relative humidity in September is 73%.Rainfall
In Serno, Germany, in September, during 12.5 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, there are 151.6 rainfall days, and 377mm (14.84") of precipitation is accumulated.Snowfall
In Serno, snow does not fall in May through October.Daylight
In Serno, Germany, the average length of the day in September is 12h and 39min.On the first day of September, sunrise is at 06:23 and sunset at 19:57. On the last day of the month, sunrise is at 07:10 and sunset at 18:49 CEST.
Sunshine
In Serno, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Serno, Germany
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (2.1°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-2.1°C).
Average pressure in September
Serno, Germany
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is October (1017.3mbar).
The month with the lowest atmospheric pressure is November (1014mbar).
Average wind speed in September
Serno, Germany
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is December (16.2km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).
Average humidity in September
Serno, Germany
- Average humidity in September: 73%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Serno, Germany
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Serno, Germany
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in September
Serno, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (52mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Serno, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 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
Serno, Germany
- Average daylight in September: 12h and 42min
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 48min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Serno, Germany
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is April (18.3 days).
The months with the least sunshine days are July and December (12.5 days).
Average UV index in September
Serno, Germany
- 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
Serno, Germany
- Average cloud cover in September: 39
The months with the most cloud cover are January and December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Serno, Germany
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January and December (8km).
