May normally has wonderful weather with occasional rain, when September offers cooler temperatures and modifying leaves. You’ll conquer the crowds and however be able to check out the city on foot without the temperature getting in your way (a lot of). For a modern riff on common Swedish fare (‘husmanskost’) https://thebookmarknight.com/story18862940/the-secret-to-effortlessly-taking-care-of-d%C3%B6dsbo-in-g%C3%B6teborg-like-a-pro