Karangsembung weather in September

In September, Karangsembung sees average daytime highs of 31°C and overnight lows near 25°C, with 21 mm of rain across 4.1 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 31°C through the month. The sky is clear or mostly clear about 38% 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 Karangsembung's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Karangsembung's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
25°
3rd coldest
Rainfall
21 mm
4.1 wet days
Daylight
12 hours
5:41 AM – 5:39 PM
Cloud cover
53%
3rd clearest
Wind
11 km/h
2nd windiest
Solar energy
6.3 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 31°C through the month.

A typical September day in Karangsembung 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 30°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
143125
153125
163125
173125
183125
193125
203125
213125
223125
233125
243125
253125
263125
273125
283125
293125
303125

How September really feels in Karangsembung

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.

Karangsembung 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°26828.712.43.0
Feb29° / 26°23926.712.22.9
Mar29° / 26°23228.5122.9
Apr30° / 26°17424.911.93.2
May30° / 26°8916.311.74.3
Jun30° / 26°5610.411.65.1
Jul30° / 25°336.211.65.7
Aug30° / 25°143.611.85.9
Sep31° / 25°214.1125.4
Oct31° / 26°7511.212.24.5
Nov30° / 26°19521.612.33.4
Dec30° / 26°2662812.42.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% 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 42%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16337
26337
36337
46238
56337
66238
76238
86139
96040
106040
115941
125941
135842
145842
155842
165743
175743
185644
195743
205644
215545
225644
235545
245644
255545
265446
275446
285347
295149
305149

Chance of precipitation in September

Any precipitation

Karangsembung gets around 21 mm of rain over 4.1 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 14% and peaks near 22% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
112
212
312
412
511
611
711
811
911
1011
1111
1211
1311
1411
1512
1612
1713
1814
1914
2015
2116
2217
2317
2418
2519
2620
2720
2821
2921
3022

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 68% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1229663
2229663
3228673
4228673
5228682
6229672
7229672
8229672
9229672
10229672
11229672
12229672
13129673
14128683
15128683
16128683
17127684
18127684
19126685
20125695
21125695
22024706
23024706
24023707
25023707
26022717
27021727
28021727
29020728
30019738

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

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 5:49 AM to 5:33 AM, and sunset from 5:41 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:495:41
211.95:495:41
311.95:485:41
411.95:485:41
511.95:475:41
611.95:465:40
711.95:465:40
811.95:455:40
911.95:455:40
1011.95:445:40
1111.95:445:40
1211.95:435:39
1311.95:435:39
1412.05:425:39
1512.05:415:39
1612.05:415:39
1712.05:405:38
1812.05:405:38
1912.05:395:38
2012.05:395:38
2112.05:385:38
2212.05:375:38
2312.05:375:37
2412.05:365:37
2512.05:365:37
2612.05:355:37
2712.05:355:37
2812.05:345:37
2912.05:345:36
3012.15:335:36

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 — the sunniest month for solar.

For context, solar energy here swings from a low near 4.81 kWh/m² to a high of 6.3 kWh/m² in September across the year — September's 6.3 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in September

Hazard calendar for Karangsembung

In seasonPeak

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

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

Karangsembung'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 Karangsembung?

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
7.6
Beach & pool
3rd-best month of the year

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

What to pack for Karangsembung in September

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

In September, Karangsembung sees daytime highs around 31°C and nights near 25°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

Sea temperature near Karangsembung 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 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
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug28Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Karangsembung 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 Karangsembung 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 Karangsembung 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 Karangsembung 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 Karangsembung?

Karangsembung sits at 6.8°S, 108.6°E, 14 m above sea level, in Indonesia. The nearest listed city is Astanajapura, 5.0 km away.

Topography around Karangsembung

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

Within 3 km, the terrain around Karangsembung has only modest variations in elevation — a maximum elevation change of 57 m around an average of 20 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 515 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,396 m.

The land around Karangsembung is covered by cropland (56%) and artificial surfaces (22%) within 3 km, trees (33%), cropland (31%) and water (21%) within 16 km, and trees (43%), water (27%) and cropland (23%) within 80 km.

3 km
57 m
16 km
515 m
80 km
3,396 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Astanajapura 5.0 km · Cirebon 18 km · Sumber 20 km · Weru 22 km · Kuningan 23 km · Plumbon 25 km · Klangenan 27 km · Palimanan 29 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 Karangsembung (-6.8487°, 108.6422°, elevation 14 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).