September weather forecastLeonberg, Germany
September
Weather in September
September, the first month of the autumn in Leonberg, is still a refreshing month, with temperature in the range of an average low of 10°C (50°F) and an average high of 19.6°C (67.3°F).Temperature
September's onset introduces a mild reduction in the average high-temperature, from a moderately hot 24.4°C (75.9°F) in August to a refreshing 19.6°C (67.3°F). During the month of September, the nighttime temperature in Leonberg falls to an average of 10°C (50°F).Humidity
The average relative humidity in September in Leonberg, Germany, is 77%.Rainfall
September is the month with the least rainfall in Leonberg. Rain falls for 10.5 days and accumulates 24mm (0.94") of precipitation.Snowfall
In Leonberg, snow does not fall in June through September.Daylight
In Leonberg, the average length of the day in September is 12h and 35min.On the first day of September in Leonberg, sunrise is at 06:41 and sunset at 20:06. On the last day of the month, sunrise is at 07:22 and sunset at 19:04 CEST.
Sunshine
In September, the average sunshine is 9h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Leonberg, Germany
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (3.1°C).
- Average low temperature in September: 10°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-1.6°C).
Average pressure in September
Leonberg, Germany
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is November (1015.4mbar).
Average wind speed in September
Leonberg, Germany
- Average wind speed in September: 8.2km/h
The windiest month (with the highest average wind speed) is March (11.7km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in September
Leonberg, Germany
- Average humidity in September: 77%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Leonberg, Germany
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is May (70mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in September
Leonberg, Germany
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is September (10.5 days).
Average snowfall in September
Leonberg, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (132mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Leonberg, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Leonberg, 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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Leonberg, Germany
- Average sunshine days in September: 16 days
The month with the most sunshine days is October (17.1 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
Leonberg, 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
Leonberg, Germany
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Leonberg, 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).
