Sydney residents had to dust off their umbrellas on Monday morning as the city experienced its first decent rainfall in two months.

The droplets falling from the sky were a novel sight after the driest Sydney September on record.

Rainfall during September was 0.2 millimetres, the lowest possible amount which can be recorded. Credit:Wolter Peeters

Weatherzone meteorologist Joel Pippard said more rain would fall throughout the day, with a chance of thunderstorms in Sydney's north and west.

The rain is a welcome relief as gardens and sports ovals have shrivelled over spring.