Makassar weather in September

In September, Makassar sees average daytime highs of 32°C and overnight lows near 23°C, with 64 mm of rain across 9.3 wet days and about 12 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 39% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Makassar's 2nd-clearest and 4th-windiest month. For the whole year in context, see Makassar's year-round climate.

Daytime high
32°
1st warmest
Overnight low
23°
3rd coldest
Rainfall
64 mm
9.3 wet days
Daylight
12 hours
5:57 AM – 5:56 PM
Cloud cover
49%
2nd clearest
Wind
7 km/h
4th windiest
Solar energy
6.35 kWh/m²
Travel score
4.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical September day in Makassar reaches about 32°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13223
23223
33223
43223
53223
63223
73223
83223
93223
103223
113223
123223
133223
143223
153223
163223
173223
183223
193223
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224

How September really feels in Makassar

Once humidity and wind are folded in, September averages 30 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
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Makassar weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°44729.712.33.0
Feb29° / 24°34726.212.23.0
Mar29° / 24°28527.9123.0
Apr30° / 24°29228.111.92.8
May31° / 24°23123.911.83.2
Jun30° / 24°17319.811.73.7
Jul30° / 23°11713.911.74.4
Aug31° / 23°568.511.84.6
Sep32° / 23°649.3124.2
Oct31° / 24°16319.212.13.4
Nov30° / 25°25528.112.22.8
Dec29° / 24°43329.812.32.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16733
26733
36634
46634
56634
66634
76634
86634
96436
106436
116436
126436
136436
146337
156436
166337
176337
186337
196436
206337
216337
226337
236238
246139
256139
266040
275941
285842
295743
305545

Chance of precipitation in September

Any precipitation

Makassar gets around 64 mm of rain over 9.3 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 32% and peaks near 43% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
127
227
327
427
526
626
726
826
926
1027
1127
1227
1328
1429
1529
1630
1731
1832
1933
2034
2135
2236
2337
2437
2538
2639
2740
2841
2942
3043

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1339544
2339544
3339544
4439534
5438544
6438544
7438544
8438544
9437554
10537544
11536554
12536545
13535555
14535546
15534556
16434557
17433558
18433558
19433549
203325510
213325510
223315511
233315412
243305413
253295414
262285614
272275615
282275516
292255716
302245717

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over September. Sunrise moves from 6:05 AM to 5:50 AM, and sunset from 5:59 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:055:59
211.96:045:59
311.96:045:59
411.96:045:58
511.96:035:58
611.96:035:58
711.96:025:58
811.96:025:58
911.96:015:57
1011.96:015:57
1111.96:005:57
1212.05:595:57
1312.05:595:56
1412.05:585:56
1512.05:585:56
1612.05:575:56
1712.05:575:56
1812.05:565:55
1912.05:565:55
2012.05:555:55
2112.05:555:55
2212.05:545:54
2312.05:545:54
2412.05:535:54
2512.05:535:54
2612.05:525:54
2712.05:525:53
2812.05:515:53
2912.05:515:53
3012.05:505:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.35 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.9 kWh/m² to a high of 6.35 kWh/m² in September across the year — September's 6.35 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in September

Hazard calendar for Makassar

In seasonPeak

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

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

Makassar's rainy season runs November–May, when most of the year's rain falls.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Makassar?

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

4.2
Sightseeing
3rd-best month of the year
6.6
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Makassar for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Makassar in September

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

In September, Makassar sees daytime highs around 32°C and nights near 23°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

Sea temperature near Makassar in September

The nearest coast averages about 28°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in April at about 30°C and coldest in August near 28°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug28Warm
Sep28Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Makassar in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Makassar peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 12UV 15Jun 22UV 10
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec13Extreme

Air quality in Makassar 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 Makassar is worst in October — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateOct 1616 µg/m³Feb 911 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar11Good
Apr13Moderate
May14Moderate
Jun15Moderate
Jul15Moderate
Aug13Moderate
Sep15Moderate
Oct16Moderate
Nov14Moderate
Dec12Good
Location & terrain

Where is Makassar?

Makassar sits at 5.1°S, 119.4°E, 6 m above sea level, in Indonesia. The nearest listed city is Galesong, 20 km away.

Topography around Makassar

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

Within 3 km, the terrain around Makassar has only modest variations in elevation — a maximum elevation change of 22 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 82 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,839 m.

The land around Makassar is covered by artificial surfaces (86%) within 3 km, water (47%) within 16 km, and water (56%) and trees (33%) within 80 km.

3 km
22 m
16 km
82 m
80 km
2,839 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Galesong 20 km · Maros 22 km · Sinjai 91 km · Watampone 120 km · Parepare 128 km · Sengkang 131 km · Majene 186 km · Polewali 191 km

Indonesia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,060
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
0.3
per 100k, 2022
Road deaths
11.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 471
Religion
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 2%

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 Makassar (-5.1486°, 119.4319°, elevation 6 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).