See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
23°
Drizzle
Feels Like: 23°
Min: 20°
Max: 23°
The next few hours will be humid and overcast, with today reaching 23°C and dropping to 19°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:48
Sunrise
17:58
Sunset
Moon
Waxing Crescent
10:44
Moonrise
20:36
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Sasayama.
Resources
UV Index
Humidity
Weather in Sasayama today, September 16, 2026
Sasayama starts September 16, 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 60% and the highest odds around 10:00. Cloud is also thick early on, peaking near 100% around 09:00.
The temperature range runs from about 20°C up to 23°C. The air stays humid, with relative humidity between 85% and 98% and the peak around 18:00. Airflow remains manageable, reaching about 5.0 km/h around 23:00.
The second half of the day still looks unsettled, with rain probability around 82% by 13:00. Dense cloud near 100% at 12:00 keeps the feel grey. Horizontal visibility holds close to 16.1 km. Expect sunrise at 05:48, sunset at 17:58, and 12 hours 10 minutes of sunlight today overall.
Taken together, Sasayama looks wet enough on September 16, 2026 that flexible outdoor plans work best, with temperatures peaking near 23°C.
Frequently asked questions about weather in Sasayama
How warm does it get in Sasayama?
The warmest month in Sasayama 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 Sasayama?
The coldest month in Sasayama 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 Sasayama?
The wettest month in Sasayama is July, with an average of 252mm of precipitation.
What is the driest time of year in Sasayama?
The driest month in Sasayama is December, with an average of 49mm of precipitation.