Arosa

Region Plessur, Kanton Graubünden, Switzerland

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Current Weather

4°

Clear

Feels Like: 2°

Min: 4°

Max: 15°

The next few hours will be clear, with today reaching 15°C and dropping to 8°C. The coming days will be drizzle

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Hourly Forecast

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Daylight Hours

07:19

Sunrise

19:04

Sunset

11 hours 44 minutes of sunlight today

Moon

Waxing Gibbous

18:34

Moonrise

05:36

Moonset

Daily Forecast

Today

4°
15°

Saturday

8°
19°

Sunday

10°
20°

Monday

10°
21°

Tuesday

11°
21°

Wednesday

8°
20°

Thursday

8°
18°

Friday

8°
12°

Saturday

7°
14°

Sunday

6°
15°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

79% Humid
Low High

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Weather in Arosa today, September 25, 2026

Arosa is set for a fine, sunny day on September 25, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. The morning looks comparatively open, with cloud near 12% around 05:00. Early outdoor plans have a better chance of staying dry and bright.

Expect highs of 15°C and cooler readings close to 4°C. Expect humidity between 20% and 83%, most humid near 05:00. Winds stay light, near 2.3 km/h by 15:00, so the day feels still more than breezy.

The afternoon keeps an overcast feel, as cloud reaches about 67% around 16:00. Outdoor plans may still want a flexible backup. Expect visibility near 42.8 km, with poorer spells close to 32.6 km. Daylight runs from 07:19 to 19:04, lasting 11 hours 44 minutes of sunlight today.

Taken together, settled sunshine in Arosa on September 25, 2026 makes outdoor timing easier, with highs near 15°C.

Frequently asked questions about weather in Arosa

How warm does it get in Arosa?

The warmest month in Arosa is July, with average high temperatures of 16°C. The average temperature during this period is around 12°C.

How cold does it get in Arosa?

The coldest month in Arosa is January, with average low temperatures of -12°C. The average temperature during this period is around -8°C.

What is the wettest time of year in Arosa?

The wettest month in Arosa is August, with an average of 178mm of precipitation.

What is the driest time of year in Arosa?

The driest month in Arosa is February, with an average of 70mm of precipitation.

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Metric (°C, km/h)