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24°
Mostly Clear
Feels Like: 24°
Min: 22°
Max: 31°
The next few hours will be mostly clear, with tomorrow reaching 31°C and dropping to 22°C. The coming days will be partly cloudy from afternoon until night.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:09
Sunrise
18:11
Sunset
Moon
Waxing Gibbous
16:45
Moonrise
04:30
Moonset
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View stargazing scoreWeather in San José tomorrow, September 25, 2026
Expect a muted, overcast feel in San José on September 25, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. Cloud leads the morning, peaking close to 71% near 07:00. Sunshine has little room until later in the day.
Temperatures climb from an overnight low near 23°C toward a daytime high of about 31°C. Expect humidity between 50% and 90%, most humid near 01:00. A lighter breeze peaks around 16:00 near 6.0 km/h.
Afternoon conditions open up, holding cloud close to 36% near 12:00. The day finishes on a milder, brighter note. Expect visibility around 16.1 km. Sunrise is at 06:09 and sunset at 18:11, giving 12 hours 1 minutes of sunlight today.
The practical takeaway for San José on September 25, 2026 is a cloudy day that stays usable, just not particularly bright, around 31°C.
Frequently asked questions about weather in San José
How warm does it get in San José?
The warmest month in San José is February, with average high temperatures of 32°C. The average temperature during this period is around 27°C.
How cold does it get in San José?
The coldest month in San José is September, with average low temperatures of 16°C. The average temperature during this period is around 20°C.
What is the wettest time of year in San José?
The wettest month in San José is March, with an average of 86mm of precipitation.
What is the driest time of year in San José?
The driest month in San José is September, with an average of 1mm of precipitation.
