Baubau weather in September

In September, Baubau sees average daytime highs of 29°C and overnight lows near 24°C, with 24 mm of rain across 4.1 wet days and about 12 hours of daylight. It is the 7th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 41% 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 Baubau's 1st-clearest and 4th-windiest month. For the whole year in context, see Baubau's year-round climate.

Daytime high
29°
7th warmest
Overnight low
24°
2nd coldest
Rainfall
24 mm
4.1 wet days
Daylight
12 hours
5:45 AM – 5:43 PM
Cloud cover
48%
1st clearest
Wind
12 km/h
4th windiest
Solar energy
6.3 kWh/m²
Travel score
6.5
out of 10

Baubau is city in Southeast Sulawesi Province, Indonesia.

Density
527/km²
people per km²
Founded
2001

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical September day in Baubau reaches about 29°C in the afternoon and slips back to 24°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, September runs on par with August and on par with October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12924
22924
32924
42924
52924
62924
72924
82924
92924
102924
112924
122924
132924
142924
152924
162924
172924
182924
192924
202924
212924
222924
232925
242925
252925
262925
272925
282925
292925
302925

How September really feels in Baubau

Once humidity and wind are folded in, September averages 10 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
10
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.

Baubau weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 26°27728.312.33.1
Feb29° / 26°26326.312.23.0
Mar29° / 26°25727.3123.2
Apr29° / 26°2272511.93.5
May29° / 26°14319.311.84.4
Jun28° / 25°10715.311.75.2
Jul28° / 25°589.911.76.4
Aug28° / 24°184.211.86.9
Sep29° / 24°244.1126.5
Oct29° / 25°679.812.15.4
Nov29° / 26°15119.912.24.0
Dec29° / 26°28728.612.33.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16931
26931
36931
46832
56733
66634
76634
86535
96535
106535
116436
126436
136436
146436
156436
166436
176436
186436
196436
206436
216436
226436
236436
246436
256337
266337
276337
286238
296139
306040

Chance of precipitation in September

Any precipitation

Baubau gets around 24 mm of rain over 4.1 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 14% and peaks near 20% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
113
212
312
412
512
612
712
812
912
1012
1113
1213
1313
1413
1514
1614
1714
1814
1914
2015
2115
2215
2315
2416
2516
2617
2718
2818
2919
3020

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 74% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
131672
231672
331672
430682
530682
629692
728702
828702
927703
1026713
1125723
1224724
1323734
1422735
1521745
1620746
1719747
1818757
1917758
2016768
2115769
2214779
2313789
24137710
25127810
26127711
27117811
28107812
2997912
3097912

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

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 5:52 AM to 5:38 AM, and sunset from 5:46 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:525:46
211.95:525:46
311.95:515:46
411.95:515:46
511.95:505:45
611.95:505:45
711.95:495:45
811.95:495:45
911.95:485:45
1011.95:485:44
1111.95:475:44
1211.95:475:44
1312.05:465:44
1412.05:465:43
1512.05:455:43
1612.05:455:43
1712.05:445:43
1812.05:445:43
1912.05:435:42
2012.05:435:42
2112.05:425:42
2212.05:425:42
2312.05:415:42
2412.05:415:41
2512.05:405:41
2612.05:405:41
2712.05:395:41
2812.05:395:41
2912.05:385:40
3012.05:385:40

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.3 kWh/m².

For context, solar energy here swings from a low near 4.47 kWh/m² to a high of 6.44 kWh/m² in October across the year — September's 6.3 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
Planning a trip in September

Hazard calendar for Baubau

In seasonPeak

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

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

Baubau'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 Baubau?

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

6.5
Sightseeing
2nd-best month of the year
8.0
Beach & pool
1st-best month of the year

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

What to pack for Baubau in September

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

In September, Baubau sees daytime highs around 29°C and nights near 24°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

Sea temperature near Baubau 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 at the nearest coast (about 27 km away) is warmest in April at about 30°C and coldest in August near 27°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
Jan30Tropical
Feb29Tropical
Mar30Tropical
Apr30Tropical
May29Tropical
Jun28Tropical
Jul28Warm
Aug27Warm
Sep28Warm
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Baubau in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Baubau peaks around February 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 16UV 16Jul 10UV 10
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov14Extreme
Dec12Extreme
Location & terrain

Where is Baubau?

Baubau sits at 5.5°S, 122.6°E, 15 m above sea level, in Indonesia. The nearest listed city is Raha, 71 km away.

SengkangBungkuLewoleba

Topography around Baubau

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

Within 3 km, the terrain around Baubau has only modest variations in elevation — a maximum elevation change of 207 m around an average of 39 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 653 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,526 m.

The land around Baubau is covered by water (44%), trees (31%) and artificial surfaces (24%) within 3 km, trees (57%) and water (36%) within 16 km, and water (65%) and trees (33%) within 80 km.

3 km
207 m
16 km
653 m
80 km
1,526 m
treesgrasslandcroplandartificial surfaceswatermangroves
September weather nearby: Raha 71 km · Katobu 72 km · Kendari 165 km · Sinjai 263 km · Watampone 272 km · Sengkang 321 km · Bungku 332 km · Lewoleba 336 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 Baubau (-5.4633°, 122.6024°, elevation 15 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).