Gersau Weather in September

Gersau in September sees moderate daytime temperatures of 17°C (63°F) and nighttime lows of 9°C (48°F). As part of the rainy season, showers are frequent and often heavy. Budget around 178 mm (7 in) of rainfall for the month.

Rainfall in Gersau in September

As part of the rainy season, Gersau sees around 14 days of rain in September, with an average of 178 mm (7 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.

Temperature in Gersau in September

Daytime temperatures in Gersau reach 17°C (63°F) in September, dropping to 9°C (48°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Gersau in September

The area enjoys a balanced 138 hours of sunlight, ensuring it's neither too rainy nor too sunny.

Wind Speed in Gersau in September

Wind speeds average 2 m/s (4 knots) during September. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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

Gersau Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 46%  

Precipitation 178 mm (7 in)  

Rainy days 14 days  

Humidity 78% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 138 hours *  

Percentage Sunshine 52% *  

* Data from: Altdorf, Switzerland (16 KM, 10 Miles).

What to Wear in Gersau in September

For Gersau in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Gersau in September

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

Swimming

6/10

Cycling

5/10

Walking

5/10

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 Gersau's climate page.

More climate data for Gersau

Temperature Rainfall Sunshine Humidity Wind Speed

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