Average Weather during September in Byron Bay (New South Wales), Australia

The average minimum temperature (usually the minimum temperature is noted during the night) in Byron Bay in September is 15.0°C (59°F). The amount of rain in September is normal with an average of 47mm (1.9in). This makes it the driest month of the year. You can expect very pleasant temperatures during the day. The average maximum daytime temperature lies around 22.0°C (71.6°F). If you enjoy looking at a blue sky and love the sun than this is a great time to go to Byron Bay with 240 hours of sun. September is known as one of the best months to visit Byron Bay.


So what to wear in September? Bring a rain jacket just in case since it will be raining a few days during this period. Also bring your shorts or a skirt because it can be very warm or even hot. With a water temperature of around 22.0°C (71.6°F), this is a great month to swim so bring your swimwear.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in September look at the numbers below.

Monthly Averages

Show in Celsius

Min Temperature 59 °F
Max Temperature 71 °F
Water Temperature 71 °F
Chance of Rain 30%
Precipitation 2 in
Rainy Days 9
Sunshine Hours 240

Where to stay in Byron Bay

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in .

Cycling
10/10
Walking
10/10
Barbeque
9/10
Camping
10/10
Outdoor sports
10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Byron Bay.

Our site offers climate and forecast data for almost all countries in the world. Are you going to Australia? On this website you can find historical weather averages for many cities in Australia. Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.