Weggis Weather in September

September in Weggis averages 18°C (64°F) during the day and 10°C (50°F) at night. September is part of the rainy season, with around 171 mm (6.7 in) of rainfall and frequent showers.

Rainfall in Weggis in September

As part of the rainy season, Weggis sees around 13 days of rain in September, with an average of 171 mm (6.7 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.

Temperature in Weggis in September

Temperatures in Weggis in September top out at 18°C (64°F) and drop to 10°C (50°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. 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 Weggis in September

The month experiences a moderate amount of sunlight, with 138 hours of sunshine. This provides a nice balance between sunshine and rain.

Wind Speed in Weggis in September

September sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. September typically offers the best weather for Weggis.

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

Weggis Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 44%  

Precipitation 171 mm (6.7 in)  

Rainy days 13 days  

Humidity 78% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 138 hours *  

Percentage Sunshine 52% *  

* Data from: Altdorf, Switzerland (23 KM, 14 Miles).

What to Wear in Weggis in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Weggis 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 Weggis's climate page.

More climate data for Weggis

Temperature Rainfall Sunshine Humidity Wind Speed

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