Knutwil

Sursee District, Kanton Luzern, Switzerland

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Current Weather

19°

Mostly Clear

Feels Like: 21°

Min: 7°

Max: 20°

The next few hours will be mostly cloudy, with today reaching 20°C and dropping to 8°C. The coming days will be drizzle

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Hourly Forecast

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Today
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Daylight Hours

07:26

Sunrise

19:10

Sunset

11 hours 44 minutes of sunlight today

Moon

Waxing Gibbous

18:40

Moonrise

05:42

Moonset

Daily Forecast

Today

7°
20°

Saturday

8°
24°

Sunday

9°
25°

Monday

12°
25°

Tuesday

13°
25°

Wednesday

13°
25°

Thursday

15°
19°

Friday

13°
18°

Saturday

10°
19°

Sunday

11°
20°

Air Quality Data Available

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UV Index

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5 Moderate
Low Extreme

Humidity

52% Comfortable
Low High

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Weather in Knutwil today, September 25, 2026

Knutwil keeps a mostly sunny profile on September 25, 2026, aside from a cloudier spell around 14:00. Outside that window, bright conditions should still lead the day.

The day peaks near 20°C and cools toward 7°C. Relative humidity sits between 43% and 81%, reaching its peak around 23:00. A lighter breeze peaks around 14:00 near 1.6 km/h.

Expect a more open afternoon, with limited cloud around 32% by 14:00. Residual damp risk should be lower than earlier. Views remain open at about 16.1 km. The sun rises at 07:26 and sets at 19:10, for a total of 11 hours 44 minutes of sunlight today.

The practical takeaway for Knutwil is a bright September 25, 2026, ideal for outdoor errands before temperatures ease from about 20°C.

Frequently asked questions about weather in Knutwil

How warm does it get in Knutwil?

The warmest month in Knutwil is July, with average high temperatures of 25°C. The average temperature during this period is around 19°C.

How cold does it get in Knutwil?

The coldest month in Knutwil is January, with average low temperatures of -1°C. The average temperature during this period is around 1°C.

What is the wettest time of year in Knutwil?

The wettest month in Knutwil is May, with an average of 163mm of precipitation.

What is the driest time of year in Knutwil?

The driest month in Knutwil is February, with an average of 78mm of precipitation.

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Metric (°C, km/h)