What should I wear to travel to Britain in September?

The average temperature in September in Britain is 10℃~ 17℃. The average daytime temperature is 65438 07℃. It is recommended to wear warm clothes such as suits, jackets, coats, suits and thin sweaters. The average temperature at night is 65438 00℃. It is recommended to wear warm clothes such as suits, jackets, coats, suits and thin sweaters. The cities with the highest daily average temperature in September in Britain are Edinburgh (16℃), Exeter (18℃), Belfast (16℃) and Birmingham (18℃). The cities with the lowest daily average temperature in Britain in September are Edinburgh (8℃), Exeter (10℃), Belfast (9℃) and Birmingham (9℃).