Gais Weather in September

September in Gais brings pleasant temperatures, with daytime highs of 19°C (66°F) and nights around 10°C (50°F). Quite a bit of rainfall is expected, around 151 mm (5.9 in), so pack an umbrella.

Rainfall in Gais in September

You can expect rain on around 13 days based on historical patterns, with 151 mm (5.9 in) average for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Gais in September

Expect highs of 19°C (66°F) in Gais in September, with nights dropping to around 10°C (50°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights fall to 10°C (50°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Gais in September

The month brings about 155 hours of sunlight, offering a comfortable mix of sun and overcast.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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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 Gais's climate page.

Gais Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 44%  

Precipitation 151 mm (5.9 in)  

Rainy days 13 days  

Humidity 78% *  

Sunshine 155 hours *  

Percentage Sunshine 44% *  

* Data from: St. Gallen, Switzerland (9 KM, 5 Miles).

What to Wear in Gais 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. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Gais in September

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

Swimming

6/10

Camping

3/10

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 Gais's climate page.

More climate data for Gais

Temperature Rainfall Sunshine Humidity

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