Suwa

Weather in Suwa today, September 21, 2026

Suwa starts September 21, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. The morning carries the wetter risk, with rain chances near 66% and the highest odds around 07:00. Cloud is also thick early on, peaking near 100% around 07:00.

Temperatures climb from an overnight low near 18°C toward a daytime high of about 24°C. Moisture in the air spans 78%-96%, with the highest values around 07:00. Expect gentle winds, highest near 12:00 at 4.7 km/h.

Afternoon conditions improve on the morning wet spell, as rain chances fall toward 18% from about 66% earlier. Cloud still reaches roughly 100% near 12:00. Expect visibility near 2.9 km, with poorer spells close to 0.1 km. Expect sunrise at 05:40, sunset at 17:39, and 11 hours 58 minutes of sunlight today overall.

Overall, Suwa on September 21, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 66% and the high sits around 24°C.