September weather forecastAlf, Germany
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Alf, Germany, with an average temperature ranging between max 18.6°C (65.5°F) and min 8.9°C (48°F).Temperature
September brings a slight decrease in temperature, down from a pleasant 22.8°C (73°F) in August to a comfortable 18.6°C (65.5°F). September nights in Alf are marked by an average low-temperature of 8.9°C (48°F).Humidity
In Alf, the average relative humidity in September is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 4.6 days and typically collects 5mm (0.2") of precipitation.Snowfall
June through September are months without snowfall in Alf.Daylight
In September, the average length of the day in Alf is 12h and 37min.On the first day of September, sunrise is at 06:47 and sunset at 20:15. On the last day of the month, sunrise is at 07:30 and sunset at 19:11 CEST.
Sunshine
In Alf, Germany, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alf, Germany
- Average high temperature in September: 18.6°C
The warmest month (with the highest average high temperature) is July (22.9°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in September
Alf, Germany
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1014mbar).
Average wind speed in September
Alf, Germany
- Average wind speed in September: 9km/h
The windiest months (with the highest average wind speed) are February and December (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in September
Alf, Germany
- Average humidity in September: 80%
The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are April, July and August (75%).
Average rainfall in September
Alf, Germany
- Average rainfall in September: 5mm
The wettest month (with the highest rainfall) is August (13mm).
The driest month (with the least rainfall) is September (5mm).
Average rainfall days in September
Alf, Germany
- Average rainfall days in September: 4.6 days
The month with the highest number of rainy days is May (7.7 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Alf, Germany
- Average snowfall in September: 0mm
The months with the highest snowfall are February and December (12mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Alf, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Alf, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Alf, Germany
- Average sunshine days in September: 23 days
The month with the most sunshine days is March (23.3 days).
The month with the least sunshine days is December (19.5 days).
Average UV index in September
Alf, Germany
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Alf, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Alf, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, November and December (7km).
