Byron Bay Weather in September
What's the weather like in Byron Bay (New South Wales) in September 2024?
The climate in Byron Bay during September can be summarized as mild and reasonably dry.
September is in the spring in Byron Bay and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a comfortable 23°C (73°F), whilst at night 12°C (54°F) is normal.
| Daytime temperature | 22.8°C 73°F |
|---|---|
| Nightly temperature | 12.1°C 53.7°F |
| Average temperature | 17.4°C 63.3°F |
| Daily sunshine | 9 hrs |
| Avg rainfall | 62 mm 2.4 ins |
| Rainy days | 8 days |
| Sea temperature | 21.6°C 70.9°F |
| Humidity | 54% |
| Windspeed | 16.6kph 10 mph |
On average September is the driest month of the year in Byron Bay with around 62mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 9 hours of sunshine per day.
September temperatures in Byron Bay
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Byron Bay in September 2024.
Other monthly averages
Best places to visit in September
Byron Bay weather stats
| Hottest month: | January | 27.4°C 81.3°F |
|---|---|---|
| Driest month: | September | 62mm 2.4ins |
| Sunniest month: | August | 8.6hrs |
| Coldest month: | July | 19.5°C 67.1°F |
| Wettest month: | March | 239mm 9.4ins |
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