Tanjung weather in September

In September, Tanjung sees average daytime highs of 32°C and overnight lows near 23°C, with 89 mm of rain across 14 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 12% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Tanjung's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Tanjung's year-round climate.

Daytime high
32°
1st warmest
Overnight low
23°
3rd coldest
Rainfall
89 mm
14 wet days
Daylight
12 hours
6:13 AM – 6:12 PM
Cloud cover
72%
3rd clearest
Wind
4 km/h
2nd windiest
Solar energy
5.42 kWh/m²
Travel score
3.3
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 Tanjung reaches about 32°C in the afternoon and slips back to 23°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 35°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°40°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
203223
213223
223223
233223
243223
253223
263223
273223
283223
293223
303223

How September really feels in Tanjung

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.

Tanjung 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
Jan30° / 23°21427.612.12.8
Feb30° / 23°19624.412.12.8
Mar30° / 23°25028.1122.6
Apr31° / 23°23827.8122.6
May31° / 23°17924.611.92.9
Jun31° / 23°13219.911.93.4
Jul31° / 22°9816.111.93.8
Aug32° / 22°7813.111.93.7
Sep32° / 23°8914123.3
Oct32° / 23°15720.4122.9
Nov31° / 23°24627.612.12.5
Dec30° / 23°2472912.12.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% 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 68%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23466
33367
43367
53367
63367
73367
83367
93367
103367
113367
123367
133466
143367
153367
163565
173565
183466
193466
203466
213466
223367
233268
243268
253169
263070
272971
282872
292773
302575

Chance of precipitation in September

Any precipitation

Tanjung gets around 89 mm of rain over 14 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 48% and peaks near 53% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
147
247
347
447
547
647
747
847
947
1047
1147
1248
1348
1448
1548
1648
1748
1848
1948
2048
2148
2248
2348
2448
2548
2649
2750
2851
2952
3053

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 67% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1127693
2227683
3227683
4227683
5327673
6327673
7327673
8426673
9426673
10525673
11525673
12524683
13524674
14523684
15523684
16523675
17523675
18523675
19523666
20423676
21423676
22323686
23323677
24323677
25324667
26224677
27223687
28223687
29223687
30222688

Wind in September

Winds average 4 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 hours 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 0 minutes over September. Sunrise moves from 6:19 AM to 6:07 AM, and sunset from 6:17 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:196:17
212.06:196:17
312.06:196:16
412.06:186:16
512.06:186:16
612.06:176:15
712.06:176:15
812.06:166:15
912.06:166:15
1012.06:166:14
1112.06:156:14
1212.06:156:14
1312.06:146:13
1412.06:146:13
1512.06:136:13
1612.06:136:12
1712.06:136:12
1812.06:126:12
1912.06:126:11
2012.06:116:11
2112.06:116:11
2212.06:106:10
2312.06:106:10
2412.06:106:10
2512.06:096:10
2612.06:096:09
2712.06:086:09
2812.06:086:09
2912.06:086:08
3012.06:076:08

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.42 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.26 kWh/m² to a high of 5.42 kWh/m² in September across the year — September's 5.42 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Is September a good time to visit Tanjung?

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

3.3
Sightseeing
4th-best month of the year
5.5
Beach & pool
3rd-best month of the year

September is a weaker month for outdoor sightseeing in Tanjung.

What to pack for Tanjung in September

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

In September, Tanjung sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Tanjung 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 Tanjung peaks around February 19 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 16Jul 12UV 11
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec13Extreme

Air quality in Tanjung 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 Tanjung is worst in September — around 93 µg/m³ PM2.5 (unhealthy), about 5.3× the cleanest month (January, 18 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyModerateSep 2292 µg/m³Jan 1518 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb18Moderate
Mar22Moderate
Apr21Moderate
May23Moderate
Jun23Moderate
Jul30Moderate
Aug49Poor
Sep93Unhealthy
Oct87Unhealthy
Nov28Moderate
Dec18Moderate
Location & terrain

Where is Tanjung?

Tanjung sits at 2.2°S, 115.4°E, 23 m above sea level, in Indonesia. The nearest listed city is Amuntai, 33 km away.

Topography around Tanjung

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

Within 3 km, the terrain around Tanjung has only modest variations in elevation — a maximum elevation change of 39 m around an average of 25 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 272 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,967 m.

The land around Tanjung is covered by trees (74%) and artificial surfaces (20%) within 3 km, trees (84%) within 16 km, and trees (85%) within 80 km.

3 km
39 m
16 km
272 m
80 km
1,967 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Amuntai 33 km · Barabai 46 km · Kualakapuas 147 km · Muara Teweh 147 km · Martapura 151 km · Banjarbaru 155 km · Banjarmasin 157 km · Palangkaraya 166 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 Tanjung (-2.1709°, 115.4077°, elevation 23 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. 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).