Watampone weather in September

In September, Watampone sees average daytime highs of 29°C and overnight lows near 24°C, with 54 mm of rain across 10.3 wet days and about 12 hours of daylight. It is the 8th-warmest and 12th-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 44% 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 Watampone's 1st-clearest and 3rd-windiest month. For the whole year in context, see Watampone's year-round climate.

Daytime high
29°
8th warmest
Overnight low
24°
3rd coldest
Rainfall
54 mm
10.3 wet days
Daylight
12 hours
5:54 AM – 5:52 PM
Cloud cover
47%
1st clearest
Wind
12 km/h
3rd windiest
Solar energy
6.4 kWh/m²
Travel score
5.5
out of 10

Watampone is capital of Bone Regency, South Sulawesi, Indonesia.

Founded
1991

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 Watampone reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°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 about 1°C warmer than August and about 1°C cooler than October.

20°25°30°35°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
232924
242924
253024
263024
273024
283024
293024
303024

How September really feels in Watampone

Once humidity and wind are folded in, September averages 11 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
11
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.

Watampone weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 25°17322.812.23.3
Feb30° / 25°16621.512.13.2
Mar30° / 25°21526.4123.0
Apr29° / 25°26627.411.93.0
May29° / 25°28327.711.83.4
Jun28° / 24°26525.811.73.9
Jul28° / 24°18122.111.84.7
Aug28° / 24°7313.711.95.8
Sep29° / 24°5410.3125.5
Oct30° / 25°9115.112.14.4
Nov31° / 25°13521.312.23.4
Dec30° / 25°19324.812.33.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16733
26733
36733
46733
56733
66733
76733
86733
96634
106535
116535
126535
136436
146436
156436
166337
176337
186436
196337
206337
216337
226337
236337
246238
256139
266139
276040
285941
295842
305743

Chance of precipitation in September

Any precipitation

Watampone gets around 54 mm of rain over 10.3 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 35% and peaks near 44% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
134
233
333
432
532
632
731
831
931
1031
1131
1231
1332
1432
1533
1633
1734
1835
1935
2036
2137
2237
2338
2439
2540
2641
2742
2843
2944
3044

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 60% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1044560
2044560
3044560
4044560
5144550
6144550
7144550
8143560
9142570
10142570
11141580
12140590
13140581
14139591
15138601
16138601
17137611
18236611
19236611
20235621
21234631
22134641
23133651
24133651
25132661
26131671
27131662
28130672
29129682
30128692

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
513light breeze
613light breeze
713light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512calm
1612calm
1712calm
1812calm
1912calm
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 6:01 AM to 5:47 AM, and sunset from 5:56 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:015:56
211.96:015:56
311.96:005:55
411.96:005:55
511.95:595:55
611.95:595:55
711.95:585:54
811.95:585:54
911.95:575:54
1012.05:575:54
1112.05:565:53
1212.05:565:53
1312.05:555:53
1412.05:555:53
1512.05:545:53
1612.05:545:52
1712.05:535:52
1812.05:535:52
1912.05:525:52
2012.05:525:51
2112.05:515:51
2212.05:515:51
2312.05:505:51
2412.05:505:50
2512.05:495:50
2612.05:495:50
2712.05:485:50
2812.05:485:49
2912.05:475:49
3012.05:475:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.4 kWh/m².

For context, solar energy here swings from a low near 4.35 kWh/m² to a high of 6.45 kWh/m² in October across the year — September's 6.4 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
Planning a trip in September

Hazard calendar for Watampone

In seasonPeak

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

Watampone 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 Watampone?

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

5.5
Sightseeing
2nd-best month of the year
7.0
Beach & pool
1st-best month of the year

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

What to pack for Watampone in September

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

In September, Watampone sees daytime highs around 29°C and nights near 24°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

Sea temperature near Watampone 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 19 km away) 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
Jan30Tropical
Feb30Tropical
Mar30Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul28Tropical
Aug28Tropical
Sep28Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Watampone 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 Watampone peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 15UV 15Jul 10UV 11
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr15Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Watampone 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 Watampone 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).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateOct 1816 µg/m³Jan 2411 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar12Good
Apr12Good
May12Good
Jun12Moderate
Jul12Moderate
Aug11Good
Sep13Moderate
Oct16Moderate
Nov14Moderate
Dec11Good
Location & terrain

Where is Watampone?

Watampone sits at 4.5°S, 120.3°E, 34 m above sea level, in Indonesia. The nearest listed city is Sengkang, 56 km away.

Topography around Watampone

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

Within 3 km, the terrain around Watampone has only modest variations in elevation — a maximum elevation change of 46 m around an average of 25 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 324 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,911 m.

The land around Watampone is covered by cropland (42%), artificial surfaces (27%) and trees (26%) within 3 km, trees (36%), cropland (30%) and water (27%) within 16 km, and trees (43%) and water (38%) within 80 km.

3 km
46 m
16 km
324 m
80 km
1,911 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Sengkang 56 km · Sinjai 66 km · Parepare 97 km · Maros 99 km · Makassar 120 km · Galesong 137 km · Polewali 164 km · Palopo 173 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 Watampone (-4.5386°, 120.3279°, elevation 34 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).