Swimming in Byron Bay in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Byron Bay in september 2025.
In september, according to seasonal norms, the sea temperature in Byron Bay is:
Minimum: 70°F
Average: 72°F
Maximum: 74°F
Other useful seasonal weather averages in september:
- Outside temperature: 62°F to 71°F
- Most common weather: "Clear/Sunny"
- The wind blows at 10.6mph
- It rains a total of 2.9in, over 4 day(s).
Should we swim in Byron Bay in september?
Yes! The water temperature in Byron Bay in september is pleasant
Swimming in september is pleasant in Byron Bay and the surrounding area. The sea temperature is 72°F on average (min/max: 70°F/74°F), allowing you to swim for a long time and enjoy water sports.
Note also that in september, the climate is perfect with an average outside temperature of 66°F, 2.9in of precipitation (over 4 days) and 76.67 % humidity.
Water and normal seasonal temperatures in Byron Bay in september
| September | |||
| Average sea temperature | 72°F | ||
| Minimum sea temperature | 70°F | ||
| Maximum sea temperature | 74°F | ||
| Average outside temperature | 67°F | ||
| Maximum outside temperature | 72°F | ||
| Minimum outside temperature | 63°F | ||
| Wind speed | 13.7mph | ||
| Wind temperature | 63°F | ||
| Precipitation | 2.9in | ||
| Number of days of rain | 4 jour(s) (14%) | ||
| Humidity | 77% | ||
| Visibility in kilometers | 9.76km | ||
| Cloud cover | 26% | ||
| Our opinion | pleasant swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Byron Bay
Swim elsewhere in Australia in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Sydney in september | 66°F | 68°F | cool swimming | Adelaide in september | 58°F | 60°F | freezing swimming | Brisbane (Queensland) in september | 72°F | 74°F | pleasant swimming | Cairns in september | 77°F | 80°F | pleasant swimming | Darwin in september | 82°F | 85°F | ideal swimming | Melbourne in september | 59°F | 60°F | freezing swimming | Perth in september | 67°F | 68°F | cool swimming | Fraser Island in september | 73°F | 76°F | pleasant swimming | Gold Coast in september | 72°F | 74°F | pleasant swimming | Kangaroo Island in september | 59°F | 61°F | freezing swimming | Port Hedland in september | 75°F | 77°F | pleasant swimming | Port Macquarie in september | 69°F | 72°F | cool swimming | Streaky Bay in september | 61°F | 63°F | cold swimming | Warrnambool in september | 58°F | 59°F | freezing swimming | Eden in september | 61°F | 65°F | cold swimming | Fremantle in september | 66°F | 68°F | cool swimming | Whitsunday Islands in september | 75°F | 78°F | pleasant swimming | Batemans Bay in september | 64°F | 66°F | cool swimming | Bondi beach in september | 66°F | 68°F | cool swimming | Broome in september | 78°F | 80°F | pleasant swimming | Bundaberg in september | 73°F | 76°F | pleasant swimming |