Byron Bay in Spring

In spring (September, October and November), Byron Bay sees average daytime highs around 24°C and overnight lows near 16°C, with 222 mm of rain over about 27 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.

Over the season highs climb from about 21°C in early September to 26°C by late November. The sky is clear or mostly clear about 48% of the time across spring, and the air most often feels comfortable.

Spring is Byron Bay's best season of the year to visit on our travel score. For the whole year in context, see Byron Bay's year-round climate.

Avg daytime high: 24°C; 3rd-warmest season
Avg overnight low: 16°C
Rainfall: 222 mm; 27 wet days
Avg wind: 13 km/h
Travel score: 7.2; best season of the year
Months: Sep · Oct · Nov

← Winter Byron Bay year-round climate Summer →

Spring Summer Fall Winter

Temperature in Byron Bay in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 21°C in early September to 26°C by late November.

A typical spring day in Byron Bay reaches about 24°C and drops to 16°C overnight. The warmest of the three months is November, the coolest September.

Byron Bay weather by month

How the three spring months (September, October and November) compare with the rest of the year — the season's months are highlighted.

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 Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time across spring.

Chance of precipitation in Spring

Any precipitation

Byron Bay gets around 222 mm of rain over 27 wet days across spring. The line is the day-by-day chance of measurable precipitation.

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

Most of spring feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

Wind in Spring

Winds average 13 km/h across spring.

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 24 min in early September to 13 h 42 min by late November. The lit band spans sunrise to sunset each day.

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 6.0 kWh/m².

Planning a trip in spring

Hazard calendar for Byron Bay

In seasonPeak

In spring, Byron Bay overlaps its cyclone season. The full year is below, with each hazard's peak months called out.

Byron Bay sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Cyclone

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is spring a good time to visit Byron Bay?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

7.2

Sightseeing

1st-best month of the year

5.9

Beach & pool

2nd-best month of the year

spring is one of the better times to visit Byron Bay for general sightseeing.

What to pack for Byron Bay in Spring

From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In spring, Byron Bay sees daytime highs around 24°C and nights near 16°C. Pack sun protection. Worth having: light clothes and rain gear. About 27 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Byron Bay in Spring

The nearest coast averages about 22°C across spring — 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 Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 9 (very high — sun protection essential). 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

Location & terrain

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.

3 km

91 m

water 40%

16 km

263 m

water 58%

80 km

1,197 m

water 39%

treesgrasslandcroplandartificial surfacesbare terrainwaterwetland

← Winter Byron Bay year-round climate Summer →

Spring weather nearby: Banora Point 49 km · Palm Beach 61 km · Robina 68 km · Surfers Paradise 74 km · Gold Coast 74 km · Nerang 78 km · Southport 79 km · Labrador 81 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.