Because of autumnal rain front, last couple days were cooler and pleasant to stay, and I hope summer won't come back and this is the start of autumn. I think Japan looks the most beautiful during the season of autumn and hopefully we'll able to have visitors from outside of Japan soon.

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Because of autumnal rain, the last couple of days were cooler and more pleasant. I hope summer won’t come back. Autumn is now starting and I think japan looks the most beautiful during this season. Hopefully we’ll have visitors* from outside of Japan soon.

*In change of visitors, you can also put tourists to make your sentence a bit shorter so it would be, “…hopefully we’ll have tourists visit Japan soon.”