Bulakamba weather in September

In September, Bulakamba sees average daytime highs of 30°C and overnight lows near 25°C, with 28 mm of rain across 5.1 wet days and about 12 hours of daylight. It is the 2nd-warmest and 11th-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 39% 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 h 06 min by month's end. Set against the rest of the year, September is Bulakamba's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Bulakamba's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
25°
3rd coldest
Rainfall
28 mm
5.1 wet days
Daylight
12 hours
5:40 AM – 5:37 PM
Cloud cover
53%
3rd clearest
Wind
9 km/h
3rd windiest
Solar energy
6.35 kWh/m²
Travel score
5.4
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 Bulakamba reaches about 30°C in the afternoon and slips back to 25°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°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)
13025
23025
33025
43025
53025
63025
73025
83025
93025
103025
113025
123025
133025
143025
153025
163025
173025
183025
193025
203025
213025
223025
233025
243125
253125
263125
273125
283125
293125
303126

How September really feels in Bulakamba

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.

Bulakamba weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 26°34529.112.42.9
Feb29° / 26°29627.212.22.9
Mar29° / 26°27229.1122.9
Apr30° / 26°20626.111.93.1
May30° / 26°11318.511.74.1
Jun30° / 26°7512.211.64.9
Jul30° / 25°447.511.65.7
Aug30° / 25°214.911.85.9
Sep30° / 25°285.1125.4
Oct31° / 26°9212.812.24.4
Nov30° / 26°21623.112.33.3
Dec29° / 26°30528.212.42.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16337
26337
36337
46238
56238
66238
76139
86139
96139
106040
116040
125941
135941
145941
155842
165842
175842
185743
195743
205743
215644
225644
235644
245545
255545
265545
275446
285347
295248
305248

Chance of precipitation in September

Any precipitation

Bulakamba gets around 28 mm of rain over 5.1 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 18% and peaks near 26% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
117
217
317
416
516
615
715
815
914
1014
1114
1214
1314
1414
1515
1615
1716
1816
1917
2018
2119
2220
2320
2421
2522
2623
2724
2824
2925
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 74% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1222724
2221734
3221734
4221734
5221734
6222733
7222733
8222733
9222733
10222733
11122743
12122743
13122734
14122734
15122734
16121744
17121735
18120745
19120736
20119746
21019756
22019747
23018757
24018748
25017758
26017758
27016768
28016759
29015769
30015769

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 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
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 min at the start of September to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over September. Sunrise moves from 5:48 AM to 5:32 AM, and sunset from 5:40 PM to 5:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:485:40
211.95:475:40
311.95:475:40
411.95:465:39
511.95:465:39
611.95:455:39
711.95:455:39
811.95:445:39
911.95:445:39
1011.95:435:38
1111.95:425:38
1211.95:425:38
1311.95:415:38
1411.95:415:38
1512.05:405:38
1612.05:405:37
1712.05:395:37
1812.05:385:37
1912.05:385:37
2012.05:375:37
2112.05:375:37
2212.05:365:36
2312.05:365:36
2412.05:355:36
2512.05:355:36
2612.05:345:36
2712.05:335:36
2812.05:335:35
2912.05:325:35
3012.15:325:35

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.35 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.96 kWh/m² to a high of 6.35 kWh/m² in September across the year — September's 6.35 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
Planning a trip in September

Hazard calendar for Bulakamba

In seasonPeak

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

Bulakamba sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Bulakamba's monsoon runs November–April, when most of the year's rain falls.

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

Is September a good time to visit Bulakamba?

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

5.4
Sightseeing
3rd-best month of the year
7.5
Beach & pool
2nd-best month of the year

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

What to pack for Bulakamba in September

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

In September, Bulakamba sees daytime highs around 30°C and nights near 25°C. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

Sea temperature near Bulakamba 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 19 km away) is warmest in May at about 30°C and coldest in February 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
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Bulakamba in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bulakamba peaks around March 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 16 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highExtremeMar 14UV 13Nov 16UV 7
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov7High
Dec12Extreme

Air quality in Bulakamba 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 Bulakamba is worst in May — around 54 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorMay 1654 µg/m³Aug 2244 µg/m³
PM2.5 (µg/m³)Level
Jan47Poor
Feb46Poor
Mar52Poor
Apr51Poor
May54Poor
Jun51Poor
Jul46Poor
Aug44Poor
Sep44Poor
Oct45Poor
Nov44Poor
Dec46Poor
Location & terrain

Where is Bulakamba?

Bulakamba sits at 6.9°S, 109.0°E, 5 m above sea level, in Indonesia. The nearest listed city is Ketanggungan, 10 km away.

Topography around Bulakamba

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

Within 3 km, the terrain around Bulakamba has only modest variations in elevation — a maximum elevation change of 12 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 72 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,396 m.

The land around Bulakamba is covered by cropland (72%) within 3 km, cropland (44%) and water (32%) within 16 km, and trees (43%), water (31%) and cropland (20%) within 80 km.

3 km
12 m
16 km
72 m
80 km
3,396 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Ketanggungan 10 km · Dukuhturi 14 km · Tegal 20 km · Adiwerna 21 km · Slawi 24 km · Tarub 24 km · Balapulang 25 km · Margasari 26 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 Bulakamba (-6.8748°, 108.9559°, elevation 5 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).