Bunbury in Spring
In spring (September, October and November), Bunbury sees average daytime highs around 20°C and overnight lows near 11°C, with 136 mm of rain over about 20 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 16°C in early September to 23°C by late November. The sky is clear or mostly clear about 39% of the time across spring, and the air most often feels dry.
Spring is Bunbury's 3rd-best season to visit on our travel score. For the whole year in context, see Bunbury's year-round climate.
- Avg daytime high
- 20°C
- 3rd-warmest season
- Avg overnight low
- 11°C
- Rainfall
- 136 mm
- 20 wet days
- Avg wind
- 16 km/h
- Travel score
- 6.8
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Bunbury in Spring
Over the season highs climb from about 16°C in early September to 23°C by late November.
A typical spring day in Bunbury reaches about 20°C and drops to 11°C overnight. The warmest of the three months is November, the coolest September.
Bunbury 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 | 28° / 17° | 11 | 1.9 | 14 | 8.2 |
| Feb | 28° / 17° | 13 | 1.6 | 13.2 | 8.1 |
| Mar | 26° / 16° | 22 | 3.1 | 12.3 | 8.2 |
| Apr | 23° / 14° | 30 | 4.9 | 11.2 | 7.8 |
| May | 19° / 12° | 87 | 8.4 | 10.3 | 6.5 |
| Jun | 17° / 11° | 117 | 11.6 | 9.8 | 5.3 |
| Jul | 16° / 10° | 127 | 13.7 | 10 | 4.7 |
| Aug | 16° / 10° | 106 | 12.3 | 10.8 | 4.9 |
| Sep | 17° / 10° | 74 | 9.9 | 11.8 | 5.6 |
| Oct | 20° / 11° | 34 | 5.5 | 12.8 | 7.0 |
| Nov | 23° / 13° | 29 | 4.9 | 13.7 | 7.9 |
| Dec | 26° / 15° | 11 | 1.9 | 14.2 | 8.5 |
Cloud cover in Spring
The sky is clear or mostly clear about 39% of the time across spring.
Chance of precipitation in Spring
Bunbury gets around 136 mm of rain over 20 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 16 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 18 min in early September to 14 hours by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.9 kWh/m².
Hazard calendar for Bunbury
In spring, Bunbury overlaps its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.
Bunbury sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Bunbury's rainy season runs May–September, when most of the year's rain falls.
Is spring a good time to visit Bunbury?
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.
spring is a reasonable time to visit Bunbury for sightseeing.
What to pack for Bunbury in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Bunbury sees daytime highs around 20°C and nights near 11°C. Pack sun protection. Worth having: light clothes and rain gear. About 20 days see rain.
Sea temperature near Bunbury in Spring
The nearest coast averages about 18°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 22°C and coldest in September near 17°C.
It's comfortable for a long swim from Dec 8 to May 9 — about 5 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 21 | 22 | 22 | 21 | 20 | 19 | 18 | 17 | 17 | 17 | 19 | 20 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 21 | Refreshing |
| Feb | 22 | Refreshing |
| Mar | 22 | Refreshing |
| Apr | 21 | Refreshing |
| May | 20 | Cool |
| Jun | 19 | Cool |
| Jul | 18 | Cool |
| Aug | 17 | Cool |
| Sep | 17 | Cool |
| Oct | 17 | Cool |
| Nov | 19 | Cool |
| Dec | 20 | Refreshing |
UV index in Bunbury in Spring
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 Bunbury peaks around January 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 11 | 10 | 6 | 4 | 3 | 3 | 4 | 8 | 8 | 10 | 13 |
| Level | Extreme | Extreme | Extreme | High | Moderate | Moderate | Moderate | Moderate | Very high | Very high | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 11 | Extreme |
| Mar | 10 | Extreme |
| Apr | 6 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 8 | Very high |
| Oct | 8 | Very high |
| Nov | 10 | Very high |
| Dec | 13 | Extreme |
Where is Bunbury?
Bunbury sits at 33.3°S, 115.6°E, 5 m above sea level, in Australia. The nearest listed city is Australind, 9.0 km away.
Topography around Bunbury
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bunbury.
Within 3 km, the terrain around Bunbury has only modest variations in elevation — a maximum elevation change of 45 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 67 m; within 80 km, significant variations in elevation — a maximum elevation change of 482 m.
The land around Bunbury is covered by water (48%) and artificial surfaces (34%) within 3 km, water (53%) and grassland (21%) within 16 km, and trees (48%) and water (30%) 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 Bunbury (-33.3271°, 115.6414°, elevation 5 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.