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Things to Do in San Jose in September

Real historical weather for San Jose in September: average highs of 29°C and lows of 15°C, with around 3mm of rain (averaged over the last 3 years). San Jose is in United States.

29°C
Average high
15°C
Average low
3mm
Typical rainfall

Real things to do in San Jose in September

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FAQs — San Jose in September

Based on real historical data (averaged over the last 3 years), expect highs around 29°C and lows around 15°C, with roughly 3mm of rain.