São José dos Campos weather in September
September is one of the best months to visit São José dos Campos: highs of 27°C (81°F) and about 60 mm (2.4 in) of rain on average. Nights average 13°C (55°F) and cloud cover 63% (NASA POWER, 2001–2025 averages). It is the 5th driest month of the year and the 2nd warmest. Compared with August, it is warmer and wetter; October brings highs of 28°C (82°F) and 111 mm (4.4 in) of rain.
Is September a good time to visit São José dos Campos?
best month Weather score 77/100.
Yes. September is one of the best months for weather in São José dos Campos.
Does it rain a lot in São José dos Campos in September?
Some rain is normal: about 60 mm (2.4 in) falls in an average September. It is the 5th driest month of the year.
How warm is São José dos Campos in September?
Days average 27°C (81°F) and nights 13°C (55°F).
São José dos Campos weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 27°C (80°F) | 18°C (64°F) | 226 mm | 76% | least pleasant |
| February | 27°C (80°F) | 18°C (64°F) | 179 mm | 67% | least pleasant |
| March | 26°C (79°F) | 17°C (62°F) | 157 mm | 66% | fair |
| April | 25°C (77°F) | 15°C (59°F) | 81 mm | 61% | best |
| May | 23°C (73°F) | 12°C (53°F) | 59 mm | 62% | best |
| June | 22°C (72°F) | 11°C (51°F) | 42 mm | 54% | best |
| July | 23°C (73°F) | 10°C (50°F) | 47 mm | 50% | best |
| August | 25°C (76°F) | 11°C (51°F) | 34 mm | 50% | best |
| September | 27°C (81°F) | 13°C (55°F) | 60 mm | 63% | best |
| October | 28°C (82°F) | 14°C (58°F) | 111 mm | 72% | fair |
| November | 27°C (80°F) | 15°C (59°F) | 165 mm | 77% | least pleasant |
| December | 27°C (80°F) | 17°C (62°F) | 191 mm | 78% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months