Bandar Lampung weather in September

In September, Bandar Lampung sees average daytime highs of 29°C and overnight lows near 23°C, with 117 mm of rain across 19.2 wet days and about 12 hours of daylight. It is the 8th-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 10% 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 Bandar Lampung's 4th-clearest and 3rd-windiest month. For the whole year in context, see Bandar Lampung's year-round climate.

Daytime high
29°
8th warmest
Overnight low
23°
3rd coldest
Rainfall
117 mm
19.2 wet days
Daylight
12 hours
5:54 AM – 5:52 PM
Cloud cover
71%
4th clearest
Wind
7 km/h
3rd windiest
Solar energy
5.8 kWh/m²
Travel score
4.2
out of 10

Bandar Lampung is city in Lampung Province, Indonesia.

Density
6,891/km²
people per km²
Founded
1682

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 Bandar Lampung reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°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°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12923
22923
32923
42923
52923
62923
72923
82923
92923
102923
112923
122923
132923
142923
152923
162923
172923
182923
192923
202923
212923
222923
232923
242923
252923
262923
272923
282923
292923
302923

How September really feels in Bandar Lampung

Once humidity and wind are folded in, September averages 29 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
29
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.

Bandar Lampung weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°33028.912.33.0
Feb29° / 23°31226.112.22.9
Mar30° / 24°31828.9122.8
Apr30° / 24°25327.211.92.9
May30° / 24°20226.311.83.2
Jun29° / 24°14923.711.73.6
Jul29° / 23°1252211.74.1
Aug29° / 23°10320.311.84.3
Sep29° / 23°11719.2124.2
Oct29° / 23°18622.712.13.7
Nov29° / 24°27926.712.23.1
Dec29° / 24°32828.412.33.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% 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 70%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13169
23268
33268
43268
53268
63268
73268
83268
93367
103169
113169
123169
133169
143169
153070
163070
173070
183070
192971
202971
212971
222971
232872
242872
252872
262872
272872
282872
292773
302773

Chance of precipitation in September

Any precipitation

Bandar Lampung gets around 117 mm of rain over 19.2 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 64% and peaks near 69% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
169
269
369
469
568
668
767
866
966
1065
1165
1264
1364
1464
1563
1663
1763
1862
1962
2062
2162
2262
2362
2462
2562
2662
2762
2862
2963
3063

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 93% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
14924
24924
34924
44924
54924
64924
74924
84924
94924
104924
114924
124924
134933
144933
154933
163943
173943
183943
193943
203943
213943
223943
233943
242953
252953
262953
272953
282944
292944
302944

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
288calm
298calm
308calm

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 6:02 AM to 5:47 AM, and sunset from 5:56 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:025:56
211.96:015:55
311.96:015:55
411.96:005:55
511.96:005:55
611.95:595:55
711.95:595:54
811.95:585:54
911.95:585:54
1011.95:575:54
1111.95:575:53
1212.05:565:53
1312.05:565:53
1412.05:555:53
1512.05:555:53
1612.05:545:52
1712.05:545:52
1812.05:535:52
1912.05:535:52
2012.05:525:52
2112.05:525:51
2212.05:515:51
2312.05:515:51
2412.05:505:51
2512.05:495:50
2612.05:495:50
2712.05:485:50
2812.05:485:50
2912.05:475:50
3012.05:475:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.8 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.51 kWh/m² to a high of 5.8 kWh/m² in September across the year — September's 5.8 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Hazard calendar for Bandar Lampung

In seasonPeak

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

Bandar Lampung 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 Bandar Lampung?

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

4.2
Sightseeing
2nd-best month of the year
5.3
Beach & pool
1st-best month of the year

September is a reasonable time to visit Bandar Lampung for sightseeing.

What to pack for Bandar Lampung in September

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

In September, Bandar Lampung sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Bandar Lampung 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 May at about 30°C and coldest in August 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
Mar29Tropical
Apr29Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Bandar Lampung in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bandar Lampung peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 16 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highExtremeMar 13UV 15Nov 16UV 8
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun10Very high
Jul8Very high
Aug10Very high
Sep10Very high
Oct13Extreme
Nov7Very high
Dec13Extreme

Air quality in Bandar Lampung 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 Bandar Lampung is worst in August — around 43 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateAug 1643 µg/m³Dec 2030 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb33Moderate
Mar35Poor
Apr38Poor
May42Poor
Jun43Poor
Jul42Poor
Aug43Poor
Sep42Poor
Oct41Poor
Nov33Moderate
Dec30Moderate
Location & terrain

Where is Bandar Lampung?

Bandar Lampung sits at 5.4°S, 105.3°E, 95 m above sea level, in Indonesia. The nearest listed city is Metro, 36 km away.

Topography around Bandar Lampung

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

Within 3 km, the terrain around Bandar Lampung has significant variations in elevation — a maximum elevation change of 269 m around an average of 76 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,272 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,051 m.

The land around Bandar Lampung is covered by artificial surfaces (67%) and trees (28%) within 3 km, trees (61%) within 16 km, and trees (50%) and water (33%) within 80 km.

3 km
269 m
16 km
1,272 m
80 km
2,051 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Metro 36 km · Terbanggi Besar 61 km · Kotabumi 79 km · Cilegon 109 km · Labuan 123 km · Serang 125 km · Pandeglang 135 km · Kresek 146 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 Bandar Lampung (-5.4292°, 105.2611°, elevation 95 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).