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Hourly Forecast
Daylight Hours
05:29
Sunrise
17:42
Sunset
Moon
Waxing Crescent
09:25
Moonrise
19:40
Moonset
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Weather in Saitama today, September 15, 2026
Saitama looks damp on September 15, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Wetter spells lean into the morning, when rain odds reach about 100% near 09:00. Skies look heaviest around 09:00, with cover close to 100%.
Temperatures climb from an overnight low near 22°C toward a daytime high of about 25°C. Expect humidity between 86% and 98%, most humid near 12:00. Winds stay light, near 2.7 km/h by 18:00, so the day feels still more than breezy.
Expect the wet theme to continue later, as rain odds reach 100% near 12:00. Cloud amounts hold near 100% around 12:00. Visibility stays generally good near 14.0 km on average, though it can drop toward 5.8 km in thicker cloud or showers. The sun rises at 05:29 and sets at 17:42, for a total of 12 hours 12 minutes of sunlight today.
Taken together, Saitama looks wet enough on September 15, 2026 that flexible outdoor plans work best, with temperatures peaking near 25°C.
Frequently asked questions about weather in Saitama
How warm does it get in Saitama?
The warmest month in Saitama is August, with average high temperatures of 33°C. The average temperature during this period is around 29°C.
How cold does it get in Saitama?
The coldest month in Saitama is January, with average low temperatures of 0°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Saitama?
The wettest month in Saitama is October, with an average of 177mm of precipitation.
What is the driest time of year in Saitama?
The driest month in Saitama is December, with an average of 41mm of precipitation.
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