Yes

you do need a jacket based on the weather in Coogee WA 6166, Australia 1 second ago

Why? Because it's really really huffing out there!
60°F16°C & Windy

Wind is 29 mph46 km/h from the West, gusting to 49 mph79 km/h
September 14
12am60°F15°C28 mph45 km/h WestWindy
1am61°F16°C28 mph45 km/h WestWindy
2am61°F16°C26 mph43 km/h WestWindy
3am61°F16°C26 mph42 km/h WestWindy
4am59°F15°C28 mph45 km/h WestWindy
5am59°F15°C27 mph44 km/h WestWindy
6am58°F15°C27 mph44 km/h WestWindy
7am58°F14°C25 mph40 km/h WestWindy
8am57°F14°C24 mph39 km/h SouthwestWindy
9am56°F13°C23 mph37 km/h WestWindy
10am56°F13°C20 mph32 km/h SouthwestWindy
11am56°F13°C20 mph32 km/h SouthwestWindy
DateLowHighWindDayNight
September 1355°F13°C62°F17°C27 mph44 km/h from WestRainDrizzle
September 1452°F11°C59°F15°C17 mph27 km/h from SouthwestWindyMostly Cloudy
September 1550°F10°C62°F17°C8 mph13 km/h from NorthwestPartly CloudyMostly Cloudy
September 1655°F13°C64°F18°C17 mph27 km/h from WestRainPartly Cloudy
September 1753°F11°C62°F16°C9 mph15 km/h from SouthwestPartly CloudyMostly Cloudy
September 1853°F12°C64°F18°C8 mph14 km/h from SouthwestPartly CloudyClear
September 1953°F11°C67°F19°C8 mph13 km/h from SouthClearClear

Yes

Low of 52°F11°C, High of 59°F15°C
Wind: 17 mph27 km/h
Precipitation: 29% rain

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