September weather forecastGeslau, Germany
September
Weather in September
September, the first month of the autumn in Geslau, is still a refreshing month, with an average temperature fluctuating between 9.5°C (49.1°F) and 18.5°C (65.3°F).Temperature
Geslau experiences a temperature shift at the start of September, with average high-temperatures adjusting from a warm 23.7°C (74.7°F) in August to an enjoyable 18.5°C (65.3°F). Geslau, during September, witnesses an average low-temperature of 9.5°C (49.1°F).Humidity
In September, the average relative humidity is 79%.Rainfall
In Geslau, in September, during 13.5 rainfall days, 38mm (1.5") of precipitation is typically accumulated. Throughout the year, there are 163.1 rainfall days, and 526mm (20.71") of precipitation is accumulated.Snowfall
In Geslau, snow does not fall in June through September.Daylight
In Geslau, the average length of the day in September is 12h and 36min.On the first day of the month, sunrise is at 06:35 and sunset at 20:01. On the last day of September, sunrise is at 07:17 and sunset at 18:59 CEST.
Sunshine
In Geslau, the average sunshine in September is 8.6h.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 rays for the ordinary person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Geslau, Germany
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (2°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-2.4°C).
Average pressure in September
Geslau, Germany
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is November (1015.3mbar).
Average wind speed in September
Geslau, Germany
- Average wind speed in September: 9.5km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in September
Geslau, Germany
- Average humidity in September: 79%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is July (74%).
Average rainfall in September
Geslau, Germany
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is August (74mm).
The driest month (with the least rainfall) is March (27mm).
Average rainfall days in September
Geslau, Germany
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Geslau, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (74mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Geslau, 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 June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Geslau, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Geslau, Germany
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is June (7.6 days).
Average UV index in September
Geslau, Germany
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Geslau, Germany
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Geslau, 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).





