São José Weather in September

São José in September sees high temperatures, with highs around 22°C (72°F) and overnight lows of 15°C (59°F). Rainfall is fairly high at around 153 mm (6 in) on average, so pack waterproofs just in case.

Rainfall in São José in September

Historically, the month has about 19 days of rain, averaging 153 mm (6 in) in total. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in São José in September

September in São José brings typical temperatures with highs around 22°C (72°F) and lows of 15°C (59°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 15°C (59°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in São José in September

The area enjoys a balanced 130 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.