Write 10 sentences about Autumn

Autumn is my favourite season. The leaves became red, orange and yellow. The birds are still singing at the middle of September. The sun's still shining bright. The rains usually starts at the end of September, but It's OK, I just can take an umbrella with me. This year the autumn is really cold. I don't even want to walk with my friends outdoors. There's no sun in the sky and the birds don't sing their songs as usual. But that doesn't matter for me as I've already said autumn is my favourite season.