Katobu weather in September

In September, Katobu sees average daytime highs of 30°C and overnight lows near 24°C, with 31 mm of rain across 6 wet days and about 12 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 33% 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 Katobu's 1st-clearest and 4th-windiest month. For the whole year in context, see Katobu's year-round climate.

Daytime high
30°
4th warmest
Overnight low
24°
3rd coldest
Rainfall
31 mm
6 wet days
Daylight
12 hours
5:44 AM – 5:43 PM
Cloud cover
53%
1st clearest
Wind
8 km/h
4th windiest
Solar energy
6.3 kWh/m²
Travel score
5.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical September day in Katobu reaches about 30°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°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)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123024
133024
143024
153024
163024
173024
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124

How September really feels in Katobu

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.

Katobu weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 25°19827.812.22.7
Feb30° / 25°20925.712.22.7
Mar30° / 25°23528.2122.8
Apr30° / 25°22726.911.92.9
May29° / 25°19123.111.83.7
Jun29° / 24°16319.511.74.3
Jul29° / 24°8813.111.75.3
Aug29° / 23°356.911.85.8
Sep30° / 24°316125.2
Oct31° / 24°5810.712.14.3
Nov32° / 25°12318.912.23.3
Dec31° / 25°2012812.32.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 25% of September, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16337
26238
36238
46238
56139
66040
76040
86040
96040
105842
115842
125842
135842
145842
155743
165743
175743
185743
195743
205743
215842
225842
235743
245743
255743
265644
275644
285545
295446
305446

Chance of precipitation in September

Any precipitation

Katobu gets around 31 mm of rain over 6 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 21% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
121
220
320
420
520
619
719
819
918
1018
1118
1218
1318
1419
1519
1620
1720
1821
1921
2021
2122
2222
2323
2423
2524
2624
2725
2825
2926
3026

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 54% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1049492
2048492
3148492
4148493
5148493
6147493
7147503
8146503
9145513
10145513
11144514
12143524
13142534
14141535
15140545
16140545
17139546
18138556
19137566
20137557
21136567
22135577
23134578
24134578
25133588
26132589
27032599
28031609
29030619
300296110

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
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 5:52 AM to 5:37 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
211.95:515:46
311.95:515:46
411.95:505:45
511.95:505:45
611.95:495:45
711.95:495:45
811.95:485:45
911.95:485:44
1011.95:475:44
1112.05:475:44
1212.05:465:44
1312.05:465:43
1412.05:455:43
1512.05:455:43
1612.05:445:43
1712.05:445:42
1812.05:435:42
1912.05:435:42
2012.05:425:42
2112.05:425:41
2212.05:415:41
2312.05:415:41
2412.05:405:41
2512.05:405:41
2612.05:395:40
2712.05:395:40
2812.05:385:40
2912.05:385:40
3012.05:375:40

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 4.41 kWh/m² to a high of 6.53 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
26.0Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
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
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.5Intense
306.5Intense
Planning a trip in September

Hazard calendar for Katobu

In seasonPeak

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

Katobu 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 Katobu?

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

5.2
Sightseeing
3rd-best month of the year
7.3
Beach & pool
2nd-best month of the year

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

What to pack for Katobu in September

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

In September, Katobu sees daytime highs around 30°C and nights near 24°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

Sea temperature near Katobu in September

The nearest coast averages about 29°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 25 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
Aug28Warm
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Katobu 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 Katobu peaks around February 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 17UV 16Jul 11UV 10
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug12Extreme
Sep13Extreme
Oct14Extreme
Nov14Extreme
Dec12Extreme
Location & terrain

Where is Katobu?

Katobu sits at 4.8°S, 122.7°E, 12 m above sea level, in Indonesia. The nearest listed city is Raha, 1.0 km away.

SengkangPalopo

Topography around Katobu

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

Within 3 km, the terrain around Katobu has only modest variations in elevation — a maximum elevation change of 104 m around an average of 17 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 509 m; within 80 km, large variations in elevation — a maximum elevation change of 1,039 m.

The land around Katobu is covered by trees (39%) and water (38%) within 3 km, trees (56%) and water (36%) within 16 km, and water (51%) and trees (43%) within 80 km.

3 km
104 m
16 km
509 m
80 km
1,039 m
treesgrasslandartificial surfaceswaterwetlandmangroves
September weather nearby: Raha 1.0 km · Baubau 72 km · Kendari 98 km · Bungku 267 km · Watampone 268 km · Sinjai 276 km · Sengkang 309 km · Palopo 347 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 Katobu (-4.8299°, 122.726°, elevation 12 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).