Yes
you do need a jacket based on the weather in London Borough of Barnet, UK 1 second ago
Why? Because the drizzle is not enough rain to call it "raining," but enough to make you a little soggy and it's cool. Pleasantly cool, but cool!
54°F12°C & Drizzle
Wind is 6 mph9 km/h from the Southwest, gusting to 14 mph22 km/h
| September 16 | ||||
| 11pm | 54°F12°C | 6 mph10 km/h Southwest | Drizzle | |
| September 17 | ||||
| 12am | 54°F12°C | 7 mph11 km/h South | Drizzle | |
| 1am | 55°F13°C | 7 mph12 km/h South | Drizzle | |
| 2am | 56°F14°C | 9 mph15 km/h South | Rain | |
| 3am | 58°F14°C | 12 mph19 km/h South | Drizzle | |
| 4am | 60°F15°C | 14 mph22 km/h Southwest | Drizzle | |
| 5am | 61°F16°C | 15 mph23 km/h Southwest | Drizzle | |
| 6am | 63°F17°C | 15 mph23 km/h Southwest | Cloudy | |
| 7am | 65°F18°C | 16 mph25 km/h Southwest | Windy | |
| 8am | 66°F19°C | 15 mph24 km/h Southwest | Cloudy | |
| 9am | 67°F19°C | 15 mph24 km/h Southwest | Cloudy | |
| 10am | 67°F19°C | 14 mph23 km/h Southwest | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 16 | 54°F12°C | 67°F20°C | 14 mph22 km/h from Southwest | Rain | Cloudy |
| September 17 | 62°F17°C | 72°F22°C | 13 mph20 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| September 18 | 60°F15°C | 77°F25°C | 8 mph13 km/h from South | Partly Cloudy | Mostly Cloudy |
| September 19 | 57°F14°C | 70°F21°C | 6 mph10 km/h from South | Drizzle | Drizzle |
| September 20 | 51°F10°C | 63°F17°C | 7 mph11 km/h from North | Rain | Drizzle |
| September 21 | 49°F9°C | 59°F15°C | 11 mph18 km/h from Northeast | Drizzle | Drizzle |
| September 22 | 50°F10°C | 62°F17°C | 7 mph11 km/h from Northeast | Drizzle | Mostly Cloudy |
No
Low of 62°F17°C, High of 73°F23°CWind: 13 mph20 km/h
Precipitation: None