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Hourly Forecast
Daylight Hours
05:32
Sunrise
17:31
Sunset
Moon
Waxing Gibbous
14:44
Moonrise
00:31
Moonset
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View stargazing scoreWeather in Iwase today, September 21, 2026
Rain features in Iwase on September 21, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Wetter spells lean into the morning, when rain odds reach about 100% near 07:00. Skies look heaviest around 07:00, with cover close to 100%.
Expect highs of 24°C and cooler readings close to 21°C. Expect humidity between 90% and 97%, most humid near 07:00. Winds stay light, near 7.3 km/h by 23:00, so the day feels still more than breezy.
The second half of the day still looks unsettled, with rain probability around 100% by 12:00. Dense cloud near 100% at 12:00 keeps the feel grey. Visibility holds near 3.9 km, though it can fall to 0.5 km. Daylight runs from 05:32 to 17:31, lasting 11 hours 58 minutes of sunlight today.
Taken together, Iwase looks wet enough on September 21, 2026 that flexible outdoor plans work best, with temperatures peaking near 24°C.
Frequently asked questions about weather in Iwase
How warm does it get in Iwase?
The warmest month in Iwase is August, with average high temperatures of 32°C. The average temperature during this period is around 28°C.
How cold does it get in Iwase?
The coldest month in Iwase is January, with average low temperatures of -1°C. The average temperature during this period is around 4°C.
What is the wettest time of year in Iwase?
The wettest month in Iwase is July, with an average of 170mm of precipitation.
What is the driest time of year in Iwase?
The driest month in Iwase is December, with an average of 42mm of precipitation.