Yes
you do need a jacket based on the weather in Lanús, Buenos Aires Province, Argentina 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
57°F14°C & Mostly Clear
Wind is 5 mph8 km/h from the East, gusting to 10 mph16 km/h
| September 15 | ||||
| 11pm | 57°F14°C | 5 mph9 km/h East | Mostly Clear | |
| September 16 | ||||
| 12am | 56°F13°C | 5 mph9 km/h East | Mostly Clear | |
| 1am | 55°F13°C | 5 mph8 km/h East | Partly Cloudy | |
| 2am | 55°F13°C | 5 mph8 km/h East | Partly Cloudy | |
| 3am | 54°F12°C | 5 mph7 km/h East | Partly Cloudy | |
| 4am | 54°F12°C | 5 mph7 km/h East | Partly Cloudy | |
| 5am | 54°F12°C | 4 mph7 km/h East | Partly Cloudy | |
| 6am | 55°F13°C | 5 mph8 km/h East | Partly Cloudy | |
| 7am | 56°F13°C | 5 mph8 km/h East | Partly Cloudy | |
| 8am | 58°F15°C | 6 mph9 km/h East | Partly Cloudy | |
| 9am | 61°F16°C | 6 mph10 km/h East | Partly Cloudy | |
| 10am | 64°F18°C | 6 mph10 km/h Northeast | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 14 | 57°F14°C | 68°F20°C | 5 mph8 km/h from East | Partly Cloudy | Mostly Clear |
| September 15 | 54°F12°C | 71°F22°C | 6 mph9 km/h from Northeast | Mostly Clear | Partly Cloudy |
| September 16 | 58°F14°C | 75°F24°C | 6 mph10 km/h from Northeast | Mostly Cloudy | Cloudy |
| September 17 | 61°F16°C | 74°F24°C | 6 mph10 km/h from East | Mostly Cloudy | Mostly Clear |
| September 18 | 63°F17°C | 77°F25°C | 4 mph7 km/h from Northeast | Mostly Cloudy | Thunderstorms |
| September 19 | 56°F13°C | 66°F19°C | 11 mph18 km/h from Southeast | Thunderstorms | Thunderstorms |
| September 20 | 50°F10°C | 61°F16°C | 12 mph19 km/h from South | Rain | Partly Cloudy |
Yes
Low of 55°F13°C, High of 72°F22°CWind: 6 mph9 km/h
Precipitation: None