Temperature in Aargau in September

Daytime highs, nighttime lows and the warmest cities in Aargau, Switzerland this September.

Aargau, Switzerland, a region in Switzerland, experiences maximum daytime temperatures in September ranging from 16°C (61°F) in Blankenburg to 21°C (70°F) in Rheinfelden. Nighttime temperatures generally drop to 10°C (50°F) in Rheinfelden and 5°C (41°F) in Blankenburg.

What is the temperature of the different cities in Aargau, Switzerland in September?

Discover the typical September temperatures for the most popular locations of Aargau on the map below. Detailed insights are just a click away.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Aargau, check out our Aargau's climate page.

See also: Aargau weather by month.

Best Places to Visit in Aargau in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Aargau.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

Aargau temperatures in September: frequently asked questions

How hot does it get in Aargau, Switzerland in September?

Daytime temperatures in Baden typically peak at 20°C (68°F) in September, putting it in the pleasant range.

How cold does it get at night in Aargau, Switzerland in September?

After dark, Baden cools to about 11°C (52°F) on an average September night.

What is the warmest city in September in Aargau, Switzerland?

Rheinfelden tops the warmest city list in our database with average maximum daytime temperatures around 21°C (70°F) and a minimum nighttime temperature of around 10°C (50°F).

What is the coldest city in September in Aargau, Switzerland?

In our database, Blankenburg is the chilliest city in September in Aargau, Switzerland. Daytime temperatures typically peak at 16°C (61°F), while the nighttime lows hover around 5°C (41°F).

How much sun does Aargau, Switzerland get in September?

Most areas experience a moderate amount of sunshine, with approximately 166 hours of sunlight expected in Baden. This makes it neither too gloomy nor overly bright.

Interested in more climate information?

We have much more information about the climate in Aargau.

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