What should I wear to travel to Denmark in September?

The average temperature in Denmark in September is 6℃~ 1 1℃. The average daytime temperature is 1 1℃. It is recommended to wear warm clothes such as suits, jackets, windbreakers, casual clothes, jackets, suits and thin sweaters. The average temperature at night is 6℃. It is recommended to wear trench coats, coats, jackets, sweaters, sweaters, suits, winter clothes and other warm clothes. The cities with the highest daily average temperature in Denmark in September are Copenhagen (17℃), Nuuk (6℃) and Toles Port (1 1℃). The cities with the lowest daily average temperature in Denmark in September are Copenhagen (10℃), Nuuk (1℃) and Toles Port (7℃).