Winterthur Weather in September

September in Winterthur sees daytime temperatures around 20°C (68°F) and lows of 11°C (52°F) at night. With around 99 mm (3.9 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Winterthur in September

Typically, you can expect about 13 days of rain this month, with 99 mm (3.9 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Winterthur in September

September tends to be one of the perfect months in Winterthur, with 20°C (68°F) in the afternoon and 11°C (52°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Winterthur in September

The city usually sees around 166 hours of sunlight, indicating a moderately sunny period.

Wind Speed in Winterthur 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.

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

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 Winterthur's climate page.

Winterthur Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 43%  

Precipitation 99 mm (3.9 in)  

Rainy days 13 days  

Humidity 78% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 166 hours *  

Percentage Sunshine 48% *  

* Data from: Zürich, Switzerland (17 KM, 11 Miles).

What to Wear in Winterthur 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. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Winterthur 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

8/10

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 Winterthur's climate page.

More climate data for Winterthur

Temperature Rainfall Sunshine Humidity Wind Speed

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