September weather forecastSonderheim, Germany
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Sonderheim, Germany, with an average temperature ranging between min 8.8°C (47.8°F) and max 18.3°C (64.9°F).Temperature
September heralds a minor drop in average high-temperature, sliding from August's agreeable 22.9°C (73.2°F) to an enjoyable 18.3°C (64.9°F). Sonderheim records an average low of 8.8°C (47.8°F) throughout the nights in September.Humidity
The average relative humidity in September is 82%.Rainfall
In Sonderheim, in September, during 13.9 rainfall days, 39mm (1.54") of precipitation is typically accumulated. Throughout the year, there are 181.5 rainfall days, and 683mm (26.89") of precipitation is accumulated.Snowfall
In Sonderheim, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 35min.On the first day of the month, sunrise is at 06:35 and sunset at 19:59. On the last day of September, in Sonderheim, sunrise is at 07:16 and sunset at 18:58 CEST.
Sunshine
The average sunshine in September in Sonderheim is 8.7h.UV index
The average daily maximum UV index in September in Sonderheim is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 3 during September translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sonderheim, Germany
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (1.9°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is February (-2.9°C).
Average pressure in September
Sonderheim, Germany
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).
Average wind speed in September
Sonderheim, Germany
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in September
Sonderheim, 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
Sonderheim, Germany
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is May (86mm).
The driest month (with the least rainfall) is April (38mm).
Average rainfall days in September
Sonderheim, Germany
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is May (21.7 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Sonderheim, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (164mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sonderheim, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sonderheim, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 42min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Sonderheim, Germany
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is October (15.1 days).
The month with the least sunshine days is June (7 days).
Average UV index in September
Sonderheim, Germany
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Sonderheim, Germany
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Sonderheim, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The month with the lowest visibility is January (7km).
