Yes

you do need a jacket based on the weather in Shenyang, Liaoning, China 1 second ago

Why? Because it's cool. Pleasantly cool, but cool.
52°F11°C & Rain

Wind is 14 mph23 km/h from the NE, gusting to 31 mph50 km/h
September 20
3am53°F11°C15 mph23 km/h NERain
4am53°F12°C15 mph24 km/h NERain
5am53°F12°C14 mph23 km/h NEDrizzle
6am55°F13°C14 mph23 km/h NEDrizzle
7am56°F13°C13 mph21 km/h NECloudy
8am57°F14°C13 mph20 km/h NECloudy
9am56°F13°C12 mph20 km/h NECloudy
10am55°F13°C13 mph21 km/h NCloudy
11am55°F13°C12 mph20 km/h NMostly Cloudy
12pm55°F13°C12 mph19 km/h NPartly Cloudy
1pm54°F12°C12 mph19 km/h NPartly Cloudy
2pm53°F12°C12 mph19 km/h NPartly Cloudy
DateLowHighWindDayNight
September 1952°F11°C62°F17°C14 mph23 km/h from NERainMostly Cloudy
September 2049°F10°C64°F18°C13 mph21 km/h from NMostly ClearClear
September 2145°F7°C67°F19°C8 mph12 km/h from NClearClear
September 2243°F6°C70°F21°C5 mph8 km/h from SMostly ClearMostly Clear
September 2353°F11°C75°F24°C9 mph15 km/h from SMostly ClearPartly Cloudy
September 2455°F13°C71°F22°C8 mph14 km/h from WMostly CloudyPartly Cloudy
September 2552°F11°C71°F22°C7 mph11 km/h from NPartly CloudyMostly Clear

Yes

Low of 49°F10°C, High of 64°F18°C
Wind: 13 mph21 km/h
Precipitation: None

Support This Page