September weather forecastFreiburg, Germany
September
Weather in September
September in Freiburg marks the onset of autumn, a transition from the scorching heat of August. This month heralds significantly cooler days as the average maximum temperature drops to 18.8°C (65.8°F), as a hint of the colder months to come. Rainfall also witnesses a drop, and there's an observable decrease in daylight hours. However, abundant sunshine and lower humidity levels create a strikingly comfortable environment for exploring the city. Despite the temperature drop, the cool, gentle wind enhances the overall weather experience, making September a desired choice for travelers.Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's moderately hot 23.3°C (73.9°F) to a refreshing 18.8°C (65.8°F). During the nights in September, Freiburg observes an average low-temperature of 8.8°C (47.8°F).Humidity
In Freiburg, the average relative humidity in September is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 7.4 days and typically collects 12mm (0.47") of precipitation.Snowfall
May through October are months without snowfall in Freiburg.Daylight
The average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 06:47 and sunset at 20:09. On the last day of September, sunrise is at 07:27 and sunset at 19:09 CEST.
Sunshine
The average sunshine in September in Freiburg, Germany, is 8.8h.UV index
In September, the average daily maximum UV index in Freiburg is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Freiburg, Germany
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (3°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is February (-2.1°C).
Average pressure in September
Freiburg, Germany
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).
Average wind speed in September
Freiburg, Germany
- Average wind speed in September: 7.4km/h
The windiest months (with the highest average wind speed) are February and December (10.3km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).
Average humidity in September
Freiburg, Germany
- Average humidity in September: 80%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Freiburg, Germany
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is June (36mm).
The driest month (with the least rainfall) is September (12mm).
Average rainfall days in September
Freiburg, Germany
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is June (13.3 days).
The month with the least rainy days is September (7.4 days).
Average snowfall in September
Freiburg, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (26mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Freiburg, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Freiburg, 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 30min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in September
Freiburg, Germany
- Average sunshine days in September: 20.7 days
The month with the most sunshine days is October (22.4 days).
The month with the least sunshine days is June (14.9 days).
Average UV index in September
Freiburg, 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, October, November and December (UV index 2).
Average cloud cover in September
Freiburg, Germany
- Average cloud cover in September: 36
The months with the most cloud cover are January and December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Freiburg, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
