Yes

you do need a jacket based on the weather in São Paulo, State of São Paulo, Brazil 1 second ago

Why? Because the air feels like the cozy middle ground between summer and winter!
56°F13°C & Mostly Cloudy

Wind is 7 mph11 km/h from the Southeast, gusting to 16 mph26 km/h
September 13
12am56°F13°C7 mph11 km/h SoutheastMostly Cloudy
1am55°F13°C7 mph11 km/h SoutheastMostly Cloudy
2am55°F13°C7 mph11 km/h SoutheastMostly Cloudy
3am54°F12°C7 mph11 km/h SoutheastMostly Cloudy
4am54°F12°C6 mph10 km/h SoutheastPartly Cloudy
5am54°F12°C6 mph10 km/h SoutheastPartly Cloudy
6am55°F13°C6 mph10 km/h SoutheastPartly Cloudy
7am58°F14°C7 mph11 km/h SoutheastPartly Cloudy
8am61°F16°C8 mph12 km/h SoutheastPartly Cloudy
9am64°F18°C8 mph14 km/h SoutheastPartly Cloudy
10am67°F19°C8 mph13 km/h SoutheastMostly Clear
11am70°F21°C8 mph13 km/h SoutheastMostly Clear
DateLowHighWindDayNight
September 1254°F12°C72°F22°C9 mph14 km/h from SoutheastMostly ClearMostly Cloudy
September 1356°F13°C76°F25°C8 mph12 km/h from SoutheastMostly ClearMostly Cloudy
September 1457°F14°C80°F27°C6 mph9 km/h from SoutheastMostly ClearPartly Cloudy
September 1559°F15°C79°F26°C5 mph8 km/h from SouthwestMostly CloudyMostly Cloudy
September 1659°F15°C76°F25°C8 mph13 km/h from SoutheastMostly ClearPartly Cloudy
September 1759°F15°C84°F29°C4 mph7 km/h from EastMostly ClearMostly Clear
September 1865°F18°C88°F31°C7 mph11 km/h from NorthwestMostly ClearPartly Cloudy

Yes

Low of 55°F13°C, High of 76°F25°C
Wind: 8 mph12 km/h
Precipitation: None

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