List of number one songs in September, 2015

What songs were number one in September, 2015? There were 2 Australia #1 songs in September, 2015.

These number one songs in September, 2015 began with How Deep Is Your Love by Calvin Harris and Disciples which went to #1 on 31st August, 2015 and remained at the top spot for just one week.

The last number one song of 2015 was What Do You Mean? by Justin Bieber which went to #1 on 7th September, 2015 and remained at the top spot for 4 weeks.

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