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Hourly Forecast
Daylight Hours
06:56
Sunrise
19:07
Sunset
Moon
Waxing Crescent
12:43
Moonrise
21:27
Moonset
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Weather in San Jose today, September 16, 2026
Sunshine leads the day in San Jose on September 16, 2026, with a patch of cloud building near 23:00. The broader outlook stays fair despite that temporary thickening. Expect a brighter morning, with limited cloud around 9% by 11:00. Conditions start on a settled note.
Temperatures climb from an overnight low near 13°C toward a daytime high of about 24°C. Relative humidity sits between 47% and 95%, reaching its peak around 07:00. Airflow remains manageable, reaching about 5.6 km/h around 16:00.
Later hours favour clearer intervals, as cloud stays near 23% around 23:00. The afternoon is the better half for outdoor time. Visibility stays generally good near 15.5 km on average, though it can drop toward 13.0 km in thicker cloud or showers. Sunrise is at 06:56 and sunset at 19:07, giving 12 hours 11 minutes of sunlight today.
In short, September 16, 2026 looks like a fine day in San Jose for being outside, peaking around 24°C.
Frequently asked questions about weather in San Jose
How warm does it get in San Jose?
The warmest month in San Jose is August, with average high temperatures of 26°C. The average temperature during this period is around 19°C.
How cold does it get in San Jose?
The coldest month in San Jose is February, with average low temperatures of 6°C. The average temperature during this period is around 11°C.
What is the wettest time of year in San Jose?
The wettest month in San Jose is January, with an average of 151mm of precipitation.
What is the driest time of year in San Jose?
The driest month in San Jose is July, with an average of 0mm of precipitation.
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