September weather forecastGräfelfing, Germany
September
Weather in September
September, the first month of the autumn in Gräfelfing, is also an enjoyable month, with temperature in the range of an average low of 8.5°C (47.3°F) and an average high of 18.7°C (65.7°F).Temperature
Gräfelfing in September undergoes a mild reduction in the average high-temperature, shifting from August's warm 23.7°C (74.7°F) to an enjoyable 18.7°C (65.7°F). The average temperature in Gräfelfing during September nights dips to a frosty 8.5°C (47.3°F).Humidity
The average relative humidity in September in Gräfelfing is 82%.Rainfall
In Gräfelfing, during September, the rain falls for 15.8 days and regularly aggregates up to 63mm (2.48") of precipitation. Throughout the year, in Gräfelfing, Germany, there are 169.8 rainfall days, and 840mm (33.07") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Gräfelfing, Germany, is 12h and 35min.On the first day of September in Gräfelfing, sunrise is at 06:32 and sunset at 19:55. On the last day of the month, sunrise is at 07:12 and sunset at 18:55 CEST.
Sunshine
In September, the average sunshine in Gräfelfing, Germany, is 8.4h.UV index
In Gräfelfing, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gräfelfing, Germany
- Average high temperature in September: 18.7°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 (2.3°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).
Average pressure in September
Gräfelfing, Germany
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in September
Gräfelfing, Germany
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest months (with the lowest average wind speed) are August and September (7.7km/h).
Average humidity in September
Gräfelfing, 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
Gräfelfing, Germany
- Average rainfall in September: 63mm
The wettest month (with the highest rainfall) is June (121mm).
The driest month (with the least rainfall) is November (25mm).
Average rainfall days in September
Gräfelfing, Germany
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is May (22.9 days).
The month with the least rainy days is November (6.6 days).
Average snowfall in September
Gräfelfing, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (220mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Gräfelfing, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gräfelfing, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 48min).
Average sunshine days in September
Gräfelfing, Germany
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (5.7 days).
Average UV index in September
Gräfelfing, 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
Gräfelfing, Germany
- Average cloud cover in September: 43
The months with the most cloud cover are January and February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Gräfelfing, Germany
- Average visibility in September: 8km
The months with the highest visibility are April and July (9km).
The months with the lowest visibility are January, February and October (7km).
