オサンポ walk - 蝙蝠飛ぶが some bats are flying but

蝙蝠が
飛ぶ空 秋の
空ばかり

Some bats
Are flying in the sky
That is full of autumn

蝙蝠を飛ぶは見れども、写真に撮れず。…空には秋があるばかり。
I saw some bats were flying but I couldn't photograph them. There was Autumn in the sky.