Rorschach Weather in September

During September, Rorschach experiences pleasant daytime temperatures of 19°C (66°F) and cooler nights around 11°C (52°F). Expect quite a bit of rainfall. Around 132 mm (5.2 in) is typical.

Rainfall in Rorschach in September

Typically, you can expect about 13 days of rain this month, with 132 mm (5.2 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Rorschach in September

September in Rorschach brings pleasant temperatures, with highs of 19°C (66°F) and nights around 11°C (52°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Rorschach in September

The city usually sees around 155 hours of sunlight, indicating a moderately sunny period.

For Rorschach itself, June, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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

Rorschach Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 42%  

Precipitation 132 mm (5.2 in)  

Rainy days 13 days  

Humidity 78% *  

Sunshine 155 hours *  

Percentage Sunshine 44% *  

* Data from: St. Gallen, Switzerland (11 KM, 6 Miles).

What to Wear in Rorschach in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Rorschach in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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

More climate data for Rorschach

Temperature Rainfall Sunshine Humidity

See the full Rorschach climate overview or explore weather in Switzerland.