Kogarah weather in September

In September, Kogarah sees average daytime highs of 18°C and overnight lows near 14°C, with 50 mm of rain across 6.8 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 19°C by the end. The sky is clear or mostly clear about 57% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is Kogarah's 3rd-clearest and 8th-windiest month. For the whole year in context, see Kogarah's year-round climate.

Daytime high
18°
9th warmest
Overnight low
14°
4th coldest
Rainfall
50 mm
6.8 wet days
Daylight
11 h 48 min
6:56 AM – 6:44 PM
Cloud cover
38%
3rd clearest
Wind
19 km/h
8th windiest
Solar energy
4.92 kWh/m²
Travel score
6.6
out of 10

Kogarah is suburb of Sydney, New South Wales, Australia.

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 17°C in the first days to 19°C by the end.

A typical September day in Kogarah reaches about 18°C in the afternoon and slips back to 14°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 21°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11713
21713
31713
41713
51713
61713
71713
81713
91813
101813
111813
121813
131813
141814
151814
161814
171814
181814
191814
201814
211814
221814
231814
241914
251914
261914
271914
281914
291914
301915

Kogarah weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 20°759147.2
Feb24° / 21°9310.513.36.8
Mar23° / 20°8312.112.36.7
Apr21° / 17°7810.511.26.6
May19° / 15°849.910.36.3
Jun17° / 13°10010.59.85.5
Jul16° / 12°598.2105.5
Aug17° / 12°556.910.76.0
Sep18° / 14°506.811.86.6
Oct19° / 15°618.312.96.6
Nov21° / 17°729.413.86.6
Dec22° / 19°588.814.27.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 25%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17525
27525
37525
47525
57525
67525
77525
87525
97624
107624
117624
127624
137624
147624
157723
167723
177723
187624
197624
207624
217624
227525
237525
247525
257426
267426
277327
287228
297129
307129

Chance of precipitation in September

Any precipitation

Kogarah gets around 50 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.

0%10%20%30%40%151015202530
Rain chance (%)
127
227
327
427
526
626
725
825
924
1024
1123
1223
1322
1422
1521
1621
1721
1821
1921
2021
2121
2221
2321
2421
2521
2621
2722
2822
2923
3023

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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 81% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
188120
288120
388120
488120
588120
688120
788120
887121
987121
1086131
1186131
1285141
1384151
1483161
1582171
1681181
1781181
1879192
1978202
2077212
2177212
2276222
2374233
2474233
2573243
2671254
2771254
2870264
2970264
3068275

Wind in September

Winds average 19 km/h in September.

Across September, daily wind ranges from about 19 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 18 min at the start of September to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over September. Sunrise moves from 7:17 AM to 6:36 AM, and sunset from 6:33 PM to 6:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.37:176:33
211.37:166:34
311.37:156:34
411.47:136:35
511.47:126:36
611.47:106:36
711.57:096:37
811.57:086:38
911.57:066:39
1011.67:056:39
1111.67:036:40
1211.67:026:41
1311.77:006:41
1411.76:596:42
1511.86:576:43
1611.86:566:44
1711.86:556:44
1811.96:536:45
1911.96:526:46
2011.96:506:46
2112.06:496:47
2212.06:476:48
2312.06:466:49
2412.16:446:49
2512.16:436:50
2612.26:426:51
2712.26:406:51
2812.26:396:52
2912.36:376:53
3012.36:366:54

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.92 kWh/m².

For context, solar energy here swings from a low near 2.43 kWh/m² to a high of 6.78 kWh/m² in January across the year — September's 4.92 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.3Bright
34.3Bright
44.4Bright
54.4Bright
64.5Bright
74.5Bright
84.6Bright
94.6Bright
104.7Bright
114.7Bright
124.8Bright
134.8Bright
144.9Bright
154.9Bright
165.0Bright
175.0Bright
185.0Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.2Bright
245.3Bright
255.3Bright
265.3Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Hazard calendar for Kogarah

In seasonPeak

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

Kogarah 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 Kogarah?

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

6.6
Sightseeing
5th-best month of the year
2.2
Beach & pool
9th-best month of the year

September is a reasonable time to visit Kogarah for sightseeing.

What to pack for Kogarah in September

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

In September, Kogarah sees daytime highs around 18°C and nights near 14°C. Worth packing: sun protection. About 7 days see rain.

sun protection

Sea temperature near Kogarah in September

The nearest coast averages about 18°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 17 km away) is warmest in February at about 23°C and coldest in August near 18°C.

It's comfortable for a long swim from Nov 16 to Jun 2 — about 6.5 months when the water holds above 20°C.

16°18°20°22°24°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan23Refreshing
Feb23Refreshing
Mar23Refreshing
Apr22Refreshing
May21Refreshing
Jun19Cool
Jul18Cool
Aug18Cool
Sep18Cool
Oct19Cool
Nov20Refreshing
Dec21Refreshing

UV index in Kogarah in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kogarah peaks around January 15 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 15UV 12Jun 18UV 2
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar9Very high
Apr6High
May4Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep5High
Oct8Very high
Nov10Very high
Dec12Extreme
Location & terrain

Where is Kogarah?

Kogarah sits at 34.0°S, 151.1°E, 24 m above sea level, in Australia. The nearest listed city is Rockdale, 2.0 km away.

Topography around Kogarah

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

Within 3 km, the terrain around Kogarah has only modest variations in elevation — a maximum elevation change of 81 m around an average of 20 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 232 m; within 80 km, large variations in elevation — a maximum elevation change of 1,045 m.

The land around Kogarah is covered by artificial surfaces (59%) and water (20%) within 3 km, artificial surfaces (38%), water (29%) and trees (26%) within 16 km, and trees (50%) and water (34%) within 80 km.

3 km
81 m
16 km
232 m
80 km
1,045 m
treesgrasslandartificial surfaceswatermangroves
September weather nearby: Rockdale 2.0 km · Bexley 3.0 km · Hurstville 3.0 km · Earlwood 5.0 km · Campsie 7.0 km · Marrickville 7.0 km · Mascot 7.0 km · Lakemba 8.0 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 Kogarah (-33.9681°, 151.1356°, elevation 24 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).