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 Fahrenheit

Min Temperature 15 °C
Max Temperature 22 °C
Water Temperature 22 °C
Chance of Rain 30%
Precipitation 47mm
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

More Climate Information For Byron Bay

Weather and Climate offers all the information you need to know about the climate in Byron Bay.

We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in Australia and climate and forecast data for all other countries in the world.