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Appenzell Innerrhoden weather in September

Are you planning a trip to Appenzell Innerrhoden in September and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in Appenzell Innerrhoden in September?

Appenzell Innerrhoden is a region in Switzerland. September in Appenzell Innerrhoden generally has pleasant temperatures, with precipitation levels ranging from high to heavy.

You can expect pleasant maximum daytime temperatures of around 18°C and nighttime temperatures around 9°C in Appenzell.

In September, precipitation varies across different areas. From high rainfall in Altstätten with an average of 145 mm to heavy rainfall in Weissbad with 160 mm. Most cities enjoy a balanced amount of sunshine, with around 155 hours of sunlight anticipated in Appenzell. This ensures the days are neither too dim nor excessively sunny.

For specific regional insights in Appenzell Innerrhoden for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Appenzell Innerrhoden climate page.

Where to go in Appenzell Innerrhoden in September

Find more information for the most popular destinations in the Appenzell Innerrhoden on the map below. Click on a destination dot for more detailes.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in September for the 3 most popular destinations in Appenzell Innerrhoden?

Appenzell

In September Appenzell generally has pleasant temperatures with maximum daytime temperatures around 18°C, minimum nighttime temperatures around 9°C and high monthly rainfall. So on average the conditions are tolerable that month.

Appenzell
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
23°C 
13°C 
210 hours 
217 mm 
18 days 
18°C 
9°C 
155 hours 
159 mm 
14 days 
October   >> October
>>  
14°C 
5°C 
100 hours 
120 mm 
13 days 
Climate in Appenzell

Altstätten

In September Altstätten generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 9°C and high monthly rainfall. So on average the conditions are tolerable that month.

Altstätten
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
23°C 
13°C 
210 hours 
192 mm 
17 days 
19°C 
9°C 
155 hours 
145 mm 
13 days 
October   >> October
>>  
14°C 
6°C 
100 hours 
113 mm 
12 days 
Climate in Altstätten

Weissbad

In September Weissbad generally has pleasant temperatures with maximum daytime temperatures around 18°C, minimum nighttime temperatures around 9°C and heavy monthly rainfall. So on average the conditions are tolerable that month.

Weissbad
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
22°C 
12°C 
170 hours 
220 mm 
18 days 
18°C 
9°C 
157 hours 
160 mm 
14 days 
October   >> October
>>  
14°C 
5°C 
160 hours 
121 mm 
13 days 
Climate in Weissbad

Is your destination not in the list? Have a look at other destinations in Appenzell Innerrhoden, in Switzerland.

Is September the best time to visit Appenzell Innerrhoden?

We consider September to be one of the best times to travel to Appenzell Innerrhoden. Typically, the climate in Appenzell is tolerable. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in September offering mostly tolerable weather in Appenzell. On the other hand, the weather in January, February, March, April, November and December tend to be poor.

Interested in more climate information?

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