Port Hedland weather in September

In September, Port Hedland sees average daytime highs of 28°C and overnight lows near 21°C, with 2 mm of rain across 0.3 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 27°C in the first days to 29°C by the end. The sky is clear or mostly clear about 91% of the time in September, and the air most often feels humid.

Daylight stretches from about 11 h 36 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Port Hedland's 2nd-clearest and 7th-windiest month. For the whole year in context, see Port Hedland's year-round climate.

Daytime high
28°
9th warmest
Overnight low
21°
4th coldest
Rainfall
2 mm
0.3 wet days
Daylight
11 h 54 min
6:03 AM – 5:56 PM
Cloud cover
10%
2nd clearest
Wind
17 km/h
7th windiest
Solar energy
6.71 kWh/m²
Travel score
8.4
out of 10

Port Hedland is port city in Pilbara region of Western Australia.

Density
204/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 27°C in the first days to 29°C by the end.

A typical September day in Port Hedland reaches about 28°C in the afternoon and slips back to 21°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 31°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12720
22720
32720
42720
52720
62720
72720
82720
92720
102820
112820
122821
132821
142821
152821
162821
172821
182821
192821
202821
212821
222821
232921
242921
252922
262922
272922
282922
292922
302922

How September really feels in Port Hedland

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Port Hedland weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 28°705.113.14.8
Feb32° / 28°100612.74.5
Mar33° / 28°804.512.14.3
Apr32° / 26°231.511.55.1
May28° / 22°222.3117.4
Jun25° / 19°232.110.88.7
Jul25° / 18°110.910.99.2
Aug26° / 18°40.611.39.2
Sep28° / 21°20.311.98.4
Oct30° / 24°10.112.56.7
Nov31° / 26°10.2136.1
Dec32° / 27°29213.25.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 91% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 4% of September, with mostly cloudy or overcast conditions the remaining 5%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1946
2946
3955
4955
5955
6955
7955
8955
9946
10946
11946
12946
13946
14946
15946
16946
17946
18946
19964
20964
21964
22964
23964
24964
25964
26973
27973
28973
29973
30973

Chance of precipitation in September

Any precipitation

Port Hedland gets around 2 mm of rain over 0.3 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
12
22
32
41
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
241
251
261
271
281
291
301

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 16% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1303030110
2293030110
3282931120
4272931120
5272932120
6272832130
7262833130
8262833130
9262833130
10252834130
11252734140
12252734140
13252734140
14252734140
15252635140
16242635140
17242635140
18242636150
19232536150
20232536160
21222537160
22212437171
23212437181
24202337191
25192337201
26192337211
27182237221
28172237221
29162237231
30152138241

Wind in September

Winds average 17 km/h in September.

Across September, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 36 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 36 minutes over September. Sunrise moves from 6:17 AM to 5:50 AM, and sunset from 5:53 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:175:53
211.66:175:53
311.66:165:54
411.76:155:54
511.76:145:54
611.76:135:54
711.76:125:54
811.76:115:55
911.76:105:55
1011.86:095:55
1111.86:085:55
1211.86:075:56
1311.86:065:56
1411.86:055:56
1511.96:045:56
1611.96:035:56
1711.96:025:57
1811.96:015:57
1911.96:005:57
2012.05:595:57
2112.05:585:58
2212.05:585:58
2312.05:575:58
2412.05:565:58
2512.15:555:59
2612.15:545:59
2712.15:535:59
2812.15:525:59
2912.15:516:00
3012.25:506:00

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.71 kWh/m².

For context, solar energy here swings from a low near 4.26 kWh/m² to a high of 8.06 kWh/m² in November across the year — September's 6.71 kWh/m² falls in the middle.

02468151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.3Intense
56.3Intense
66.3Intense
76.4Intense
86.4Intense
96.4Intense
106.5Intense
116.5Intense
126.6Intense
136.6Intense
146.6Intense
156.7Intense
166.7Intense
176.8Intense
186.8Intense
196.8Intense
206.9Intense
216.9Intense
227.0Intense
237.0Intense
247.0Intense
257.1Intense
267.1Intense
277.1Intense
287.2Intense
297.2Intense
307.2Intense
Planning a trip in September

Hazard calendar for Port Hedland

In seasonPeak

None of Port Hedland's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Port Hedland 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 September a good time to visit Port Hedland?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

8.4
Sightseeing
4th-best month of the year
9.2
Beach & pool
2nd-best month of the year

September is one of the better times to visit Port Hedland for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Port Hedland in September

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

In September, Port Hedland sees daytime highs around 28°C and nights near 21°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Port Hedland in September

The nearest coast averages about 24°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 km away) is warmest in March at about 30°C and coldest in August near 22°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan30Tropical
Feb30Tropical
Mar30Tropical
Apr29Tropical
May26Warm
Jun24Refreshing
Jul23Refreshing
Aug22Refreshing
Sep24Refreshing
Oct26Warm
Nov28Warm
Dec29Tropical

UV index in Port Hedland in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Port Hedland peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 7 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeJan 24UV 15Jun 18UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr10Very high
May8Very high
Jun7High
Jul7Very high
Aug8Very high
Sep10Extreme
Oct12Extreme
Nov13Extreme
Dec15Extreme

Air quality in Port Hedland in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Port Hedland is worst in January — around 17 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (July, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJan 1617 µg/m³Jul 246 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb14Moderate
Mar9Good
Apr7Good
May7Good
Jun6Good
Jul6Good
Aug6Good
Sep8Good
Oct10Good
Nov11Good
Dec15Moderate
Location & terrain

Where is Port Hedland?

Port Hedland sits at 20.3°S, 118.6°E, 5 m above sea level, in Australia. The nearest listed city is Karratha, 190 km away.

BroomeGeraldtonKalgoorlieWaingapuTambolakaKupangTaliwang

Topography around Port Hedland

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Port Hedland.

Within 3 km, the terrain around Port Hedland has only modest variations in elevation — a maximum elevation change of 15 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 26 m; within 80 km, only modest variations in elevation — a maximum elevation change of 189 m.

The land around Port Hedland is covered by water (41%) within 3 km, water (54%) and grassland (23%) within 16 km, and grassland (44%) and water (34%) within 80 km.

3 km
15 m
16 km
26 m
80 km
189 m
shrubsgrasslandartificial surfacesbare terrainwatermangroves
September weather nearby: Karratha 190 km · Broome 463 km · Geraldton 1,024 km · Kalgoorlie 1,195 km · Waingapu 1,198 km · Tambolaka 1,212 km · Kupang 1,248 km · Taliwang 1,300 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
none 38%Roman Catholic 20%Protestant 18%other Christian 4%

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 Port Hedland (-20.3121°, 118.6106°, 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. 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).