Daytime highs, nighttime lows and the warmest cities in Canton of Basel-Stadt, Switzerland this September.
Canton of Basel-Stadt, Switzerland, a region in Switzerland, typically experiences pleasant weather in September, with maximum daytime temperatures around 21°C (70°F) and nighttime temperatures around 10°C (50°F) in Basel.
Explore the map below to discover average September temperatures at the top destinations in Canton of Basel-Stadt. For a deeper dive, simply click on any destination dot.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Canton of Basel-Stadt.
Marker color shows the average daytime high temperature in September: blue is cold, red is hot.
Basel averages a daytime high of 21°C (70°F) in September, which is pleasant for Canton of Basel-Stadt, Switzerland.
After dark, Basel cools to about 10°C (50°F) on an average September night.
Most cities enjoy a balanced amount of sunshine, with around 162 hours of sunlight anticipated in Basel. This ensures the days are neither too dim nor excessively sunny.
We have much more information about the climate in Canton of Basel-Stadt.
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