Byron Bay weather in September
In September, Byron Bay sees average daytime highs of 22°C and overnight lows near 14°C, with 40 mm of rain across 6.8 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 12th-wettest month of the year here.
Highs climb over the month, from about 21°C in the first days to 23°C by the end. The sky is clear or mostly clear about 59% of the time in September, and the air most often feels dry.
Daylight stretches from about 11 h 24 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Byron Bay's 2nd-clearest and 5th-windiest month. For the whole year in context, see Byron Bay's year-round climate.
- Daytime high
- 22°
- 8th warmest
- Overnight low
- 14°
- 4th coldest
- Rainfall
- 40 mm
- 6.8 wet days
- Daylight
- 11 h 48 min
- 6:45 AM – 6:35 PM
- Cloud cover
- 34%
- 2nd clearest
- Wind
- 13 km/h
- 5th windiest
- Solar energy
- 5.32 kWh/m²
- Travel score
- 7.6
- out of 10
Byron Bay is town in New South Wales, Australia.
- Density
- 1/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Highs climb over the month, from about 21°C in the first days to 23°C by the end.
A typical September day in Byron Bay reaches about 22°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 25°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°C cooler than October.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Avg low (°C) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 21 | 13 |
| 2 | 21 | 13 |
| 3 | 21 | 13 |
| 4 | 21 | 13 |
| 5 | 21 | 13 |
| 6 | 22 | 13 |
| 7 | 22 | 13 |
| 8 | 22 | 13 |
| 9 | 22 | 13 |
| 10 | 22 | 13 |
| 11 | 22 | 13 |
| 12 | 22 | 13 |
| 13 | 22 | 13 |
| 14 | 22 | 13 |
| 15 | 22 | 14 |
| 16 | 22 | 14 |
| 17 | 23 | 14 |
| 18 | 23 | 14 |
| 19 | 23 | 14 |
| 20 | 23 | 14 |
| 21 | 23 | 14 |
| 22 | 23 | 14 |
| 23 | 23 | 14 |
| 24 | 23 | 15 |
| 25 | 23 | 15 |
| 26 | 23 | 15 |
| 27 | 23 | 15 |
| 28 | 23 | 15 |
| 29 | 23 | 15 |
| 30 | 23 | 15 |
Byron Bay weather by month
How September compares with the rest of the year at a glance. September is the 8th-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 21° | 140 | 13.6 | 13.6 | 6.0 |
| Feb | 27° / 21° | 138 | 13.7 | 13 | 5.7 |
| Mar | 26° / 20° | 128 | 15.3 | 12.2 | 6.0 |
| Apr | 24° / 17° | 78 | 12.5 | 11.3 | 6.6 |
| May | 22° / 14° | 87 | 10.4 | 10.6 | 6.8 |
| Jun | 20° / 12° | 102 | 9.7 | 10.2 | 6.5 |
| Jul | 19° / 11° | 50 | 7 | 10.4 | 7.0 |
| Aug | 20° / 11° | 55 | 6.4 | 11 | 7.4 |
| Sep | 22° / 14° | 40 | 6.8 | 11.8 | 7.6 |
| Oct | 24° / 16° | 78 | 9.5 | 12.7 | 7.3 |
| Nov | 25° / 18° | 104 | 11.1 | 13.4 | 6.7 |
| Dec | 27° / 20° | 109 | 12.5 | 13.8 | 6.2 |
Cloud cover in September
The sky is clear or mostly clear about 59% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 21%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 78 | 80 | 80 | 80 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 80 | 80 | 81 | 81 | 80 | 80 | 80 | 80 | 79 | 78 | 78 | 78 | 77 | 77 | 76 | 76 | 76 | 75 |
| Cloudier (%) | 22 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 19 | 19 | 20 | 20 | 20 | 20 | 21 | 22 | 22 | 22 | 23 | 23 | 24 | 24 | 24 | 25 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 78 | 22 |
| 2 | 80 | 20 |
| 3 | 80 | 20 |
| 4 | 80 | 20 |
| 5 | 81 | 19 |
| 6 | 81 | 19 |
| 7 | 81 | 19 |
| 8 | 81 | 19 |
| 9 | 81 | 19 |
| 10 | 81 | 19 |
| 11 | 81 | 19 |
| 12 | 81 | 19 |
| 13 | 80 | 20 |
| 14 | 80 | 20 |
| 15 | 81 | 19 |
| 16 | 81 | 19 |
| 17 | 80 | 20 |
| 18 | 80 | 20 |
| 19 | 80 | 20 |
| 20 | 80 | 20 |
| 21 | 79 | 21 |
| 22 | 78 | 22 |
| 23 | 78 | 22 |
| 24 | 78 | 22 |
| 25 | 77 | 23 |
| 26 | 77 | 23 |
| 27 | 76 | 24 |
| 28 | 76 | 24 |
| 29 | 76 | 24 |
| 30 | 75 | 25 |
Chance of precipitation in September
Byron Bay gets around 40 mm of rain over 6.8 wet days in September, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 23% and peaks near 27% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 23 | 24 |
| Rain chance (%) | |
|---|---|
| 1 | 27 |
| 2 | 27 |
| 3 | 27 |
| 4 | 26 |
| 5 | 26 |
| 6 | 25 |
| 7 | 25 |
| 8 | 24 |
| 9 | 24 |
| 10 | 23 |
| 11 | 23 |
| 12 | 22 |
| 13 | 22 |
| 14 | 22 |
| 15 | 21 |
| 16 | 21 |
| 17 | 21 |
| 18 | 21 |
| 19 | 21 |
| 20 | 21 |
| 21 | 21 |
| 22 | 21 |
| 23 | 21 |
| 24 | 22 |
| 25 | 22 |
| 26 | 22 |
| 27 | 23 |
| 28 | 23 |
| 29 | 23 |
| 30 | 24 |
Humidity in September
Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the dry band about 55% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 69 | 69 | 68 | 68 | 68 | 68 | 67 | 66 | 66 | 65 | 64 | 63 | 61 | 60 | 58 | 56 | 54 | 52 | 50 | 48 | 46 | 45 | 43 | 42 | 40 | 39 | 38 | 36 | 35 | 34 |
| Comfortable (%) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 28 | 29 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 37 | 38 | 39 | 39 | 40 | 40 | 41 | 41 | 42 |
| Humid (%) | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 18 | 19 | 20 | 20 | 21 | 22 | 22 |
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 69 | 26 | 5 | 0 |
| 2 | 69 | 26 | 5 | 0 |
| 3 | 68 | 26 | 6 | 0 |
| 4 | 68 | 26 | 6 | 0 |
| 5 | 68 | 26 | 6 | 0 |
| 6 | 68 | 26 | 6 | 0 |
| 7 | 67 | 26 | 7 | 0 |
| 8 | 66 | 27 | 7 | 0 |
| 9 | 66 | 27 | 7 | 0 |
| 10 | 65 | 27 | 8 | 0 |
| 11 | 64 | 28 | 8 | 0 |
| 12 | 63 | 29 | 8 | 0 |
| 13 | 61 | 29 | 9 | 1 |
| 14 | 60 | 30 | 9 | 1 |
| 15 | 58 | 31 | 10 | 1 |
| 16 | 56 | 32 | 11 | 1 |
| 17 | 54 | 33 | 12 | 1 |
| 18 | 52 | 34 | 13 | 1 |
| 19 | 50 | 35 | 14 | 1 |
| 20 | 48 | 36 | 15 | 1 |
| 21 | 46 | 37 | 16 | 1 |
| 22 | 45 | 37 | 17 | 1 |
| 23 | 43 | 38 | 18 | 1 |
| 24 | 42 | 39 | 18 | 1 |
| 25 | 40 | 39 | 19 | 2 |
| 26 | 39 | 40 | 20 | 2 |
| 27 | 38 | 40 | 20 | 2 |
| 28 | 36 | 41 | 21 | 2 |
| 29 | 35 | 41 | 22 | 2 |
| 30 | 34 | 42 | 22 | 2 |
Wind in September
Winds average 13 km/h in September.
Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 12 | light breeze |
| 2 | 12 | light breeze |
| 3 | 12 | light breeze |
| 4 | 12 | light breeze |
| 5 | 12 | light breeze |
| 6 | 12 | light breeze |
| 7 | 12 | light breeze |
| 8 | 12 | light breeze |
| 9 | 12 | light breeze |
| 10 | 12 | light breeze |
| 11 | 12 | light breeze |
| 12 | 12 | light breeze |
| 13 | 13 | light breeze |
| 14 | 13 | light breeze |
| 15 | 13 | light breeze |
| 16 | 13 | light breeze |
| 17 | 13 | light breeze |
| 18 | 13 | light breeze |
| 19 | 13 | light breeze |
| 20 | 13 | light breeze |
| 21 | 13 | light breeze |
| 22 | 13 | light breeze |
| 23 | 13 | light breeze |
| 24 | 13 | light breeze |
| 25 | 13 | light breeze |
| 26 | 13 | light breeze |
| 27 | 13 | light breeze |
| 28 | 13 | light breeze |
| 29 | 13 | light breeze |
| 30 | 13 | light breeze |
Sunrise & sunset in September
Daylight runs from about 11 h 24 min at the start of September to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 48 minutes over September. Sunrise moves from 7:03 AM to 6:28 AM, and sunset from 6:27 PM to 6:42 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.4 | 11.4 | 11.5 | 11.5 | 11.5 | 11.5 | 11.6 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.2 |
| Sunrise (AM) | 7:03 | 7:02 | 7:01 | 7:00 | 6:59 | 6:57 | 6:56 | 6:55 | 6:54 | 6:52 | 6:51 | 6:50 | 6:49 | 6:47 | 6:46 | 6:45 | 6:44 | 6:42 | 6:41 | 6:40 | 6:39 | 6:37 | 6:36 | 6:35 | 6:34 | 6:32 | 6:31 | 6:30 | 6:29 | 6:28 |
| Sunset (PM) | 6:27 | 6:28 | 6:28 | 6:29 | 6:29 | 6:30 | 6:30 | 6:31 | 6:31 | 6:32 | 6:32 | 6:33 | 6:33 | 6:34 | 6:34 | 6:35 | 6:35 | 6:36 | 6:36 | 6:37 | 6:37 | 6:38 | 6:38 | 6:39 | 6:39 | 6:40 | 6:41 | 6:41 | 6:42 | 6:42 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.4 | 7:03 | 6:27 |
| 2 | 11.4 | 7:02 | 6:28 |
| 3 | 11.5 | 7:01 | 6:28 |
| 4 | 11.5 | 7:00 | 6:29 |
| 5 | 11.5 | 6:59 | 6:29 |
| 6 | 11.5 | 6:57 | 6:30 |
| 7 | 11.6 | 6:56 | 6:30 |
| 8 | 11.6 | 6:55 | 6:31 |
| 9 | 11.6 | 6:54 | 6:31 |
| 10 | 11.7 | 6:52 | 6:32 |
| 11 | 11.7 | 6:51 | 6:32 |
| 12 | 11.7 | 6:50 | 6:33 |
| 13 | 11.7 | 6:49 | 6:33 |
| 14 | 11.8 | 6:47 | 6:34 |
| 15 | 11.8 | 6:46 | 6:34 |
| 16 | 11.8 | 6:45 | 6:35 |
| 17 | 11.9 | 6:44 | 6:35 |
| 18 | 11.9 | 6:42 | 6:36 |
| 19 | 11.9 | 6:41 | 6:36 |
| 20 | 11.9 | 6:40 | 6:37 |
| 21 | 12.0 | 6:39 | 6:37 |
| 22 | 12.0 | 6:37 | 6:38 |
| 23 | 12.0 | 6:36 | 6:38 |
| 24 | 12.1 | 6:35 | 6:39 |
| 25 | 12.1 | 6:34 | 6:39 |
| 26 | 12.1 | 6:32 | 6:40 |
| 27 | 12.2 | 6:31 | 6:41 |
| 28 | 12.2 | 6:30 | 6:41 |
| 29 | 12.2 | 6:29 | 6:42 |
| 30 | 12.2 | 6:28 | 6:42 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 5.32 kWh/m².
For context, solar energy here swings from a low near 2.92 kWh/m² to a high of 6.81 kWh/m² in December across the year — September's 5.32 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.7 | 4.7 | 4.8 | 4.8 | 4.8 | 4.9 | 5.0 | 5.0 | 5.1 | 5.1 | 5.2 | 5.2 | 5.2 | 5.3 | 5.3 | 5.4 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.6 | 5.7 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.7 | Bright |
| 2 | 4.7 | Bright |
| 3 | 4.8 | Bright |
| 4 | 4.8 | Bright |
| 5 | 4.8 | Bright |
| 6 | 4.9 | Bright |
| 7 | 5.0 | Bright |
| 8 | 5.0 | Bright |
| 9 | 5.1 | Bright |
| 10 | 5.1 | Bright |
| 11 | 5.2 | Bright |
| 12 | 5.2 | Bright |
| 13 | 5.2 | Bright |
| 14 | 5.3 | Bright |
| 15 | 5.3 | Bright |
| 16 | 5.4 | Bright |
| 17 | 5.4 | Bright |
| 18 | 5.4 | Bright |
| 19 | 5.5 | Bright |
| 20 | 5.5 | Bright |
| 21 | 5.5 | Bright |
| 22 | 5.6 | Bright |
| 23 | 5.6 | Bright |
| 24 | 5.6 | Bright |
| 25 | 5.7 | Bright |
| 26 | 5.7 | Bright |
| 27 | 5.7 | Bright |
| 28 | 5.7 | Bright |
| 29 | 5.8 | Bright |
| 30 | 5.8 | Bright |
Hazard calendar for Byron Bay
None of Byron Bay's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Byron Bay sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Is September a good time to visit Byron Bay?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is one of the better times to visit Byron Bay for general sightseeing.
What to pack for Byron Bay in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Byron Bay sees daytime highs around 22°C and nights near 14°C. Worth packing: light clothes and sun protection. About 7 days see rain.
Sea temperature near Byron Bay in September
The nearest coast averages about 21°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in February at about 26°C and coldest in August near 21°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 26 | 26 | 26 | 25 | 24 | 22 | 21 | 21 | 21 | 22 | 24 | 25 |
| Comfort | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 26 | Warm |
| Mar | 26 | Warm |
| Apr | 25 | Warm |
| May | 24 | Refreshing |
| Jun | 22 | Refreshing |
| Jul | 21 | Refreshing |
| Aug | 21 | Refreshing |
| Sep | 21 | Refreshing |
| Oct | 22 | Refreshing |
| Nov | 24 | Refreshing |
| Dec | 25 | Warm |
UV index in Byron Bay in September
Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Byron Bay peaks around January 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 4 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 13 | 11 | 8 | 5 | 4 | 4 | 6 | 7 | 10 | 11 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | Moderate | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 11 | Extreme |
| Apr | 8 | Very high |
| May | 5 | Moderate |
| Jun | 4 | Moderate |
| Jul | 4 | Moderate |
| Aug | 6 | High |
| Sep | 7 | Very high |
| Oct | 10 | Very high |
| Nov | 11 | Extreme |
| Dec | 13 | Extreme |
Where is Byron Bay?
Byron Bay sits at 28.6°S, 153.6°E, 0 m above sea level, in Australia. The nearest listed city is Banora Point, 49 km away.
Topography around Byron Bay
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Byron Bay.
Within 3 km, the terrain around Byron Bay has only modest variations in elevation — a maximum elevation change of 91 m around an average of 8 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 263 m; within 80 km, large variations in elevation — a maximum elevation change of 1,197 m.
The land around Byron Bay is covered by water (40%) and trees (38%) within 3 km, water (58%) and trees (22%) within 16 km, and water (39%) and trees (38%) within 80 km.
Australia travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type I
- 230 V · 50 Hz
- Prices
- ≈ 90% of US
- price level, 2025
- GDP per capita
- $65,130
- 2025
- Happiness
- 6.9 / 10
- World Happiness, 2025
- Homicide rate
- 0.9
- per 100k, 2023
- Road deaths
- 4.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Byron Bay (-28.6499°, 153.6125°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).