September weather forecastSternenfels, Germany
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Sternenfels, Germany, with an average temperature fluctuating between 10.5°C (50.9°F) and 20.4°C (68.7°F).Temperature
During the shift to September, Sternenfels records a mild decrease in average high-temperature, moving from a warm 25.3°C (77.5°F) in August to an agreeable 20.4°C (68.7°F). In Sternenfels, the average low-temperature during the month of September is a fresh 10.5°C (50.9°F).Humidity
The average relative humidity in September in Sternenfels is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.1 days and typically collects 23mm (0.91") of precipitation.Snowfall
May through October are months without snowfall in Sternenfels.Daylight
In Sternenfels, Germany, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:41 and sunset at 20:07. On the last day of September, in Sternenfels, sunrise is at 07:23 and sunset at 19:05 CEST.
Sunshine
The average sunshine in September is 8.8h.UV index
In Sternenfels, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sternenfels, Germany
- Average high temperature in September: 20.4°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (14.3°C).
The coldest months (with the lowest average low temperature) are January and February (-0.8°C).
Average pressure in September
Sternenfels, Germany
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is November (1015.2mbar).
Average wind speed in September
Sternenfels, Germany
- Average wind speed in September: 8.4km/h
The windiest months (with the highest average wind speed) are February and March (12km/h).
The calmest months (with the lowest average wind speed) are August and September (8.4km/h).
Average humidity in September
Sternenfels, Germany
- Average humidity in September: 75%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Sternenfels, Germany
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is May (62mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in September
Sternenfels, Germany
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in September
Sternenfels, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (53mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Sternenfels, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.4 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
Sternenfels, 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 18min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Sternenfels, Germany
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in September
Sternenfels, 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
Sternenfels, Germany
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Sternenfels, Germany
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).





