Teluk Nibung weather in September

In September, Teluk Nibung sees average daytime highs of 31°C and overnight lows near 25°C, with 282 mm of rain across 28.2 wet days and about 12 hours of daylight. It is the 7th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 2% of the time in September, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Teluk Nibung's 9th-clearest and 12th-windiest month. For the whole year in context, see Teluk Nibung's year-round climate.

Daytime high
31°
7th warmest
Overnight low
25°
6th coldest
Rainfall
282 mm
28.2 wet days
Daylight
12 hours
6:15 AM – 6:16 PM
Cloud cover
87%
9th clearest
Wind
5 km/h
12th windiest
Solar energy
5.37 kWh/m²
Travel score
2.5
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical September day in Teluk Nibung reaches about 31°C in the afternoon and slips back to 25°C overnight — a 6°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 on par with August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103125
113125
123125
133125
143125
153125
163125
173125
183125
193125
203125
213125
223125
233125
243125
253125
263125
273125
283125
293125
303125

How September really feels in Teluk Nibung

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.

Teluk Nibung weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°21526.111.83.0
Feb31° / 25°1572211.93.0
Mar31° / 25°19225.5122.7
Apr31° / 25°23328.312.12.3
May32° / 25°23527.412.12.4
Jun32° / 25°17122.512.22.8
Jul31° / 25°17722.912.23.0
Aug31° / 25°21625.712.12.7
Sep31° / 25°28228.2122.5
Oct30° / 25°33329.611.92.5
Nov30° / 25°36729.511.92.5
Dec30° / 24°33328.411.82.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 6% of September, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1793
2892
3892
4892
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16793
17793
18793
19793
20694
21694
22595
23595
24595
25595
26595
27595
28496
29496
30496

Chance of precipitation in September

Any precipitation

Teluk Nibung gets around 282 mm of rain over 28.2 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 93% and peaks near 97% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
191
291
392
492
592
692
793
893
993
1093
1193
1293
1392
1492
1592
1692
1793
1893
1993
2093
2194
2294
2395
2495
2595
2696
2796
2897
2997
3097

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the miserable band about 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1793
2793
3793
4793
5793
6892
7892
8892
9892
10892
11892
12892
13892
14793
15793
16793
17694
18694
19694
20595
21595
22595
23595
24595
25595
26496
27496
28595
29595
30595

Wind in September

Winds average 5 km/h in September, the calmest month.

Across September, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 06 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over September. Sunrise moves from 6:19 AM to 6:11 AM, and sunset from 6:22 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:196:22
212.16:186:22
312.16:186:21
412.06:186:21
512.06:186:20
612.06:176:20
712.06:176:20
812.06:176:19
912.06:176:19
1012.06:166:18
1112.06:166:18
1212.06:166:17
1312.06:156:17
1412.06:156:16
1512.06:156:16
1612.06:156:16
1712.06:146:15
1812.06:146:15
1912.06:146:14
2012.06:136:14
2112.06:136:13
2212.06:136:13
2312.06:136:12
2412.06:126:12
2512.06:126:11
2612.06:126:11
2712.06:126:11
2812.06:116:10
2912.06:116:10
3012.06:116:09

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.37 kWh/m².

For context, solar energy here swings from a low near 4.33 kWh/m² to a high of 5.6 kWh/m² in March across the year — September's 5.37 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in September

Hazard calendar for Teluk Nibung

In seasonPeak

In September, Teluk Nibung sits inside its cyclone season. The full year is below, with each hazard's peak months called out.

Teluk Nibung sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

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

Is September a good time to visit Teluk Nibung?

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

2.5
Sightseeing
8th-best month of the year
3.7
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Teluk Nibung.

What to pack for Teluk Nibung in September

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

In September, Teluk Nibung sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Teluk Nibung in September

The nearest coast averages about 30°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 15 km away) is warmest in May at about 30°C and coldest in January near 29°C.

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

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar30Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Teluk Nibung 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 Teluk Nibung peaks around February 22 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 22UV 14Jun 21UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Teluk Nibung 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 Teluk Nibung is worst in September — around 30 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1630 µg/m³Dec 1019 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb25Moderate
Mar27Moderate
Apr25Moderate
May25Moderate
Jun23Moderate
Jul27Moderate
Aug28Moderate
Sep30Moderate
Oct28Moderate
Nov20Moderate
Dec19Moderate
Location & terrain

Where is Teluk Nibung?

Teluk Nibung sits at 3.0°N, 99.8°E, 3 m above sea level, in Indonesia. The nearest listed city is Tanjungbalai, 4.0 km away.

Topography around Teluk Nibung

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

Within 3 km, the terrain around Teluk Nibung has only modest variations in elevation — a maximum elevation change of 18 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 26 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,097 m.

The land around Teluk Nibung is covered by trees (76%) within 3 km, trees (64%) and water (26%) within 16 km, and trees (53%) and water (40%) within 80 km.

3 km
18 m
16 km
26 m
80 km
2,097 m
treesgrasslandcroplandartificial surfaceswatermangroves
September weather nearby: Tanjungbalai 4.0 km · Kisaran 22 km · Pekan Bahapal 72 km · Tebingtinggi 81 km · Pematangsiantar 83 km · Rantauprapat 100 km · Bandar 106 km · Perbaungan 114 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 Teluk Nibung (3.001°, 99.8164°, elevation 3 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).