Batemans Bay weather in September

In September, Batemans Bay sees average daytime highs of 17°C and overnight lows near 11°C, with 52 mm of rain across 7.7 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 18°C by the end. The sky is clear or mostly clear about 49% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is Batemans Bay's 3rd-clearest and 6th-windiest month. For the whole year in context, see Batemans Bay's year-round climate.

Daytime high
17°
9th warmest
Overnight low
11°
4th coldest
Rainfall
52 mm
7.7 wet days
Daylight
11 h 48 min
7:00 AM – 6:47 PM
Cloud cover
44%
3rd clearest
Wind
14 km/h
6th windiest
Solar energy
4.61 kWh/m²
Travel score
6.2
out of 10

Batemans Bay is town in 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 18°C by the end.

A typical September day in Batemans Bay reaches about 17°C in the afternoon and slips back to 11°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 21°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°C cooler than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11611
21711
31711
41711
51711
61711
71711
81711
91711
101711
111711
121711
131711
141711
151711
161711
171811
181811
191811
201811
211812
221812
231812
241812
251812
261812
271812
281812
291812
301812

Batemans Bay 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° / 18°761114.16.7
Feb23° / 18°9811.613.46.5
Mar22° / 17°861212.36.4
Apr20° / 15°689.511.16.5
May18° / 13°567.410.16.3
Jun16° / 11°857.59.65.3
Jul15° / 10°566.19.85.3
Aug16° / 10°62610.75.7
Sep17° / 11°527.711.86.2
Oct19° / 13°7410.412.96.2
Nov20° / 15°8111.413.96.1
Dec22° / 17°7911.814.46.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 31%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17030
26931
36931
46931
56931
66931
77030
87030
97030
107030
117030
127030
137030
147030
156931
166931
176931
186931
196931
206931
216733
226733
236733
246832
256832
266733
276733
286733
296634
306634

Chance of precipitation in September

Any precipitation

Batemans Bay gets around 52 mm of rain over 7.7 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 26% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
126
226
326
426
526
626
726
826
926
1026
1125
1225
1325
1425
1524
1624
1724
1825
1925
2025
2125
2226
2326
2426
2526
2627
2727
2828
2929
3029

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1973
2973
3973
4973
5973
6973
7973
8973
9973
10973
11973
12964
13964
14964
15955
16955
17955
18946
19946
20937
21937
22928
23928
24919
259010
269010
278911
288911
298911
308812

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 12 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 66 minutes over September. Sunrise moves from 7:23 AM to 6:39 AM, and sunset from 6:35 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:236:35
211.27:216:36
311.37:206:37
411.37:186:38
511.47:176:38
611.47:156:39
711.47:146:40
811.57:126:41
911.57:116:41
1011.57:096:42
1111.67:086:43
1211.67:066:44
1311.77:056:45
1411.77:036:45
1511.77:026:46
1611.87:006:47
1711.86:596:48
1811.96:576:49
1911.96:566:49
2011.96:546:50
2112.06:536:51
2212.06:516:52
2312.06:506:52
2412.16:486:53
2512.16:476:54
2612.26:456:55
2712.26:446:56
2812.26:426:57
2912.36:416:57
3012.36:396:58

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.61 kWh/m².

For context, solar energy here swings from a low near 2.25 kWh/m² to a high of 6.36 kWh/m² in January across the year — September's 4.61 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.0Moderate
24.0Bright
34.1Bright
44.1Bright
54.1Bright
64.2Bright
74.2Bright
84.3Bright
94.3Bright
104.4Bright
114.4Bright
124.5Bright
134.5Bright
144.5Bright
154.6Bright
164.6Bright
174.7Bright
184.7Bright
194.8Bright
204.8Bright
214.8Bright
224.9Bright
234.9Bright
244.9Bright
255.0Bright
265.0Bright
275.0Bright
285.1Bright
295.1Bright
305.1Bright
Planning a trip in September

Hazard calendar for Batemans Bay

In seasonPeak

None of Batemans 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.

Batemans 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 September a good time to visit Batemans Bay?

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

6.2
Sightseeing
7th-best month of the year
1.7
Beach & pool
9th-best month of the year

September is a reasonable time to visit Batemans Bay for sightseeing.

What to pack for Batemans Bay in September

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

In September, Batemans Bay sees daytime highs around 17°C and nights near 11°C. Worth packing: sun protection. About 8 days see rain.

sun protection

Sea temperature near Batemans Bay in September

The nearest coast averages about 17°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 20 km away) is warmest in February at about 22°C and coldest in August near 17°C.

It's comfortable for a long swim from Dec 8 to May 14 — about 5.2 months when the water holds above 20°C.

16°18°20°22°24°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb22Refreshing
Mar22Refreshing
Apr21Refreshing
May20Cool
Jun18Cool
Jul17Cool
Aug17Cool
Sep17Cool
Oct18Cool
Nov19Cool
Dec20Refreshing

UV index in Batemans Bay 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 Batemans Bay peaks around December 23 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 highModerateVery highExtremeDec 23UV 12Jun 18UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar9Very high
Apr5High
May3Moderate
Jun2Low
Jul3Moderate
Aug4Moderate
Sep5Moderate
Oct8Very high
Nov10Very high
Dec12Extreme

Air quality in Batemans Bay 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 Batemans Bay is worst in January — around 29 µg/m³ PM2.5 (moderate), about 9.2× the cleanest month (June, 3 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJan 1028 µg/m³Jun 183 µg/m³
PM2.5 (µg/m³)Level
Jan29Moderate
Feb11Good
Mar5Good
Apr6Good
May4Good
Jun3Good
Jul4Good
Aug4Good
Sep6Good
Oct6Good
Nov8Good
Dec28Moderate
Location & terrain

Where is Batemans Bay?

Batemans Bay sits at 35.7°S, 150.2°E, 7 m above sea level, in Australia. The nearest listed city is Tuggeranong, 105 km away.

Topography around Batemans Bay

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

Within 3 km, the terrain around Batemans Bay has only modest variations in elevation — a maximum elevation change of 144 m around an average of 27 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 660 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,474 m.

The land around Batemans Bay is covered by trees (52%) and water (24%) within 3 km, trees (67%) and water (24%) within 16 km, and trees (57%) and water (28%) within 80 km.

3 km
144 m
16 km
660 m
80 km
1,474 m
treesgrasslandartificial surfacesbare terrainwaterwetland
September weather nearby: Tuggeranong 105 km · Canberra 106 km · Goulburn 114 km · Wollongong city centre 156 km · Wollongong 157 km · Engadine 198 km · Cronulla 203 km · Miranda 204 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 Batemans Bay (-35.7066°, 150.1754°, elevation 7 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).