Bright colours
The landscape is beautifully coloured in red, yellow, orange, green and blue.
The air
The Autumn air is very clear.
Snow
There may be snow on the highest mountains, and in the north.
Lights
The dark period is about to start, with the possibility of seeing the Northern Lights.
Killer whales
Killer whales come to the coast of Northern Norway in this period, so you may catch sight of them (Nov-Feb).