September weather forecastFrettenheim, Germany
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Frettenheim, Germany, with temperature in the range of an average high of 20.3°C (68.5°F) and an average low of 11.2°C (52.2°F).Temperature
With September's onset, the weather shows a temperature decrease, transitioning from a warm 25.3°C (77.5°F) in August to an agreeable 20.3°C (68.5°F). During September, the average low-temperature is a fresh 11.2°C (52.2°F).Humidity
In September, the average relative humidity is 73%.Rainfall
In Frettenheim, in September, during 9.2 rainfall days, 20mm (0.79") of precipitation is typically accumulated. Throughout the year, there are 139 rainfall days, and 273mm (10.75") of precipitation is accumulated.Snowfall
April through September are months without snowfall in Frettenheim.Daylight
The average length of the day in September in Frettenheim is 12h and 37min.On the first day of the month, sunrise is at 06:43 and sunset at 20:10. On the last day of September, in Frettenheim, sunrise is at 07:26 and sunset at 19:07 CEST.
Sunshine
In Frettenheim, Germany, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 4 in September leads to these guidelines:
Undertake protective steps - Preventing sun damage is advised. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Frettenheim, Germany
- Average high temperature in September: 20.3°C
The warmest months (with the highest average high temperature) are July and August (25.3°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in September
Frettenheim, Germany
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is November (1014.8mbar).
Average wind speed in September
Frettenheim, Germany
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is February (12.4km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in September
Frettenheim, Germany
- Average humidity in September: 73%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are July and August (68%).
Average rainfall in September
Frettenheim, Germany
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is May (37mm).
The driest month (with the least rainfall) is March (13mm).
Average rainfall days in September
Frettenheim, Germany
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is September (9.2 days).
Average snowfall in September
Frettenheim, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (26mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Frettenheim, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.8 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
Frettenheim, 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 42min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in September
Frettenheim, Germany
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in September
Frettenheim, Germany
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Frettenheim, Germany
- Average cloud cover in September: 36
The month with the most cloud cover is December (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Frettenheim, Germany
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).
