Normal weather for Byron Bay in September
It's warm in September in Byron Bay with an average temperature of 23°C. Temperatures this month range from a low of 22°C to a high of 24°C. At night, you can expect temperatures between 12°C and 16°C.
In September, there is an average of 52 mm of precipitation, spread over 8 days. The wind speed is around 5 Bft, mostly coming from the South.
The water temperature at Byron Bay is 23°C this month. Comfortable for a swim.
Looking for great weather? September is a good time to be in Byron Bay. The temperatures are nice, and there’s not too much rain.
Byron Bay in September |
New York | ||
|---|---|---|---|
 Average Temperature |
23°C | 27°C | |
 High Temp |
24°C | 31°C | |
| Low Temp |
22°C | 21°C | |
 Total Precipitation |
52 mm | 57 mm | |
| Rainy Days |
8 days | 9 days | |
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
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Start of September
The month of September starts in Byron Bay with warm temps, averaging around 23°C during the day and nights around 14°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
Mid September
By mid-September, daytime temps rise to around 24°C, with nights around 14°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of September
By the end of September, the average daytime temperature in Byron Bay is around 24°C, while nighttime temps are about 16°C. A shower might pop up, but overall, the weather will be dry and sunny.
Temperature records
Check out the climate of Byron Bay for all months and discover the best travel time
Curious about the weather in other parts of Australia? Check out the climate and weather for spots like Sydney, Gold Coast, Melbourne, or explore other destinations in Australia.
August
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Daily Temperature in September in Byron Bay
This chart shows the average daily high and low temperatures in September for Byron Bay, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Byron Bay
The chart below shows the average daily precipitation in September for Byron Bay, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 8 days of precipitation in Byron Bay.
Daily UV Index in September in Byron Bay
This chart shows the average daily UV index in September in Byron Bay, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Byron Bay Over the Years
This chart shows the average temperature in September in Byron Bay, measured in degrees Celsius, over the past few years.
Total Precipitation in September in Byron Bay Over the Years
This chart shows the average precipitation in September in Byron Bay, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate in September for Byron Bay
Click on any day in September to get detailed info about the usual weather on that day in Byron Bay. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Byron Bay
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Average Weather in Byron Bay by Month
Click on a month below to see detailed weather info for Byron Bay. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Byron Bay for all months at once
