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Weather in September in Basel

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< September >
 
Normal Max/ High Temperature 22°C (72°F)
 
Average Temperature 15°C (59°F)
 
Min/ Low Temperature 10°C (50°F)
 
Normal Precipitation 79mm (3.1in)
Number of Wet Days (probability of rain on a day) 12 (40%)
Average Sunlight per day 05:09
Average Daylight per day 12:30
Sunny (Cloudy) Daylight Hours 42% (58%)
Sun altitude at solar noon on the 21st day.
43.1°


  • The average temperature in Basel in September is mild at 15 °C (59 °F).
  • Afternoons can be really warm with average high temperatures reaching 22 °C (71.6 °F).
  • Overnight temperatures are generally quite mild with an average low of 10 °C (50 °F).
  • In September there is a variation/ range of mean daily temperatures of 12 °C (21.6 °F).
  • The weather in September is somewhat dry with rain occasionally. Just 79mm (3.1in) of water is dumped across an average of 12 days.
  • In September the heavens above Basel are slightly fair with an average of a mediocre 5:09 of blazing sunshine daily.
  • The shortest day is 11:39 long and the longest day is 13:21 long with an average length of 12:30.
  • There are approximately 7:09 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
  • It is sunny approximately 41.9% of daylight hours and cloudy 58.1% of daylight hours.

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Weather Trend Graph for September in Basel, Switzerland

Graph of weather in Basel in September

Basel Weather in September Discussion

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