September weather forecastHirsau, Germany
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Hirsau, Germany, with an average temperature fluctuating between 10.2°C (50.4°F) and 20°C (68°F).Temperature
Onset of September comes with a temperature decline, the average high falling from a warm 25°C (77°F) in August to a pleasant 20°C (68°F). September sees the temperature falling to a mean low of 10.2°C (50.4°F).Humidity
In September, the average relative humidity is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.5 days and typically collects 21mm (0.83") of precipitation.Snowfall
In Hirsau, snow does not fall in May through September.Daylight
The average length of the day in September in Hirsau is 12h and 35min.On the first day of the month, sunrise is at 06:42 and sunset at 20:07. On the last day of September, sunrise is at 07:23 and sunset at 19:05 CEST.
Sunshine
The average sunshine in September in Hirsau is 8.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hirsau, Germany
- Average high temperature in September: 20°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 10.2°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (-1.1°C).
Average pressure in September
Hirsau, Germany
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is November (1015.3mbar).
Average wind speed in September
Hirsau, Germany
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is February (11.9km/h).
The calmest months (with the lowest average wind speed) are August and September (8.3km/h).
Average humidity in September
Hirsau, Germany
- Average humidity in September: 76%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in September
Hirsau, Germany
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is May (59mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in September
Hirsau, Germany
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in September
Hirsau, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (74mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Hirsau, 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
Hirsau, 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 54min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 18min).
Average sunshine days in September
Hirsau, Germany
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in September
Hirsau, Germany
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Hirsau, Germany
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Hirsau, 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).
