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Hourly Forecast
Daylight Hours
05:30
Sunrise
17:40
Sunset
Moon
Waxing Crescent
10:27
Moonrise
20:16
Moonset
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Weather in Kawaguchi today, September 16, 2026
Kawaguchi looks damp on September 16, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. The morning carries the wetter risk, with rain chances near 100% and the highest odds around 08:00. Cloud is also thick early on, peaking near 100% around 08:00.
Expect highs of 23°C and cooler readings close to 20°C. The air stays humid, with relative humidity between 85% and 95% and the peak around 21:00. Expect gentle winds, highest near 09:00 at 3.1 km/h.
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 stays generally good near 9.8 km on average, though it can drop toward 3.5 km in thicker cloud or showers. Daylight runs from 05:30 to 17:40, lasting 12 hours 10 minutes of sunlight today.
Overall, Kawaguchi on September 16, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 100% and the high sits around 23°C.
Frequently asked questions about weather in Kawaguchi
How warm does it get in Kawaguchi?
The warmest month in Kawaguchi is August, with average high temperatures of 32°C. The average temperature during this period is around 29°C.
How cold does it get in Kawaguchi?
The coldest month in Kawaguchi is January, with average low temperatures of 1°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Kawaguchi?
The wettest month in Kawaguchi is October, with an average of 192mm of precipitation.
What is the driest time of year in Kawaguchi?
The driest month in Kawaguchi is December, with an average of 48mm of precipitation.
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