Yes

you do need a jacket based on the weather in 8500 Grenaa, Denmark 1 second ago

Why? Because the wind could blow a wig clean off your head!
69°F20°C & Cloudy

Wind is 12 mph20 km/h from the Southwest, gusting to 21 mph33 km/h
September 19
12pm68°F20°C13 mph21 km/h SouthwestCloudy
1pm66°F19°C14 mph22 km/h SouthwestCloudy
2pm65°F18°C14 mph22 km/h SouthwestCloudy
3pm64°F18°C14 mph23 km/h SouthwestCloudy
4pm63°F17°C15 mph23 km/h SouthwestCloudy
5pm62°F17°C14 mph23 km/h SouthwestCloudy
6pm62°F17°C14 mph23 km/h SouthwestMostly Cloudy
7pm62°F16°C13 mph21 km/h SouthwestPartly Cloudy
8pm61°F16°C12 mph19 km/h SouthwestPartly Cloudy
9pm61°F16°C11 mph18 km/h SouthwestPartly Cloudy
10pm61°F16°C11 mph18 km/h SouthwestMostly Cloudy
11pm60°F16°C10 mph17 km/h SouthwestMostly Cloudy
DateLowHighWindDayNight
September 1856°F14°C69°F21°C11 mph18 km/h from SouthwestMostly CloudyMostly Cloudy
September 1960°F16°C70°F21°C13 mph21 km/h from SouthwestPartly CloudyRain
September 2053°F12°C63°F17°C19 mph31 km/h from SouthwestDrizzleWindy
September 2149°F10°C58°F14°C18 mph30 km/h from NorthwestWindyClear
September 2247°F8°C60°F15°C11 mph17 km/h from NorthwestMostly ClearMostly Clear
September 2347°F9°C59°F15°C9 mph15 km/h from EastClearMostly Clear
September 2448°F9°C59°F15°C10 mph17 km/h from EastMostly ClearPartly Cloudy

No

Low of 60°F16°C, High of 70°F21°C
Wind: 13 mph21 km/h
Precipitation: 13% rain

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