Jatibarang weather in September

In September, Jatibarang sees average daytime highs of 34°C and overnight lows near 25°C, with 28 mm of rain across 4.4 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 34°C through the month. The sky is clear or mostly clear about 38% of the time in September, and the air most often feels muggy.

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 Jatibarang's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Jatibarang's year-round climate.

Daytime high
34°
1st warmest
Overnight low
25°
7th coldest
Rainfall
28 mm
4.4 wet days
Daylight
12 hours
5:42 AM – 5:40 PM
Cloud cover
52%
3rd clearest
Wind
10 km/h
2nd windiest
Solar energy
6.56 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 34°C through the month.

A typical September day in Jatibarang reaches about 34°C in the afternoon and slips back to 25°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 36°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13424
23424
33424
43424
53424
63424
73424
83424
93424
103424
113425
123425
133425
143425
153425
163425
173425
183425
193425
203425
213425
223425
233425
243425
253425
263525
273525
283525
293525
303525

How September really feels in Jatibarang

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.

Jatibarang 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
Jan31° / 24°28129.112.32.5
Feb31° / 24°27326.912.22.5
Mar31° / 25°29229.3122.3
Apr32° / 25°22125.511.92.5
May32° / 25°10316.511.73.3
Jun32° / 24°6010.111.63.9
Jul33° / 24°325.511.74.1
Aug34° / 24°112.511.83.9
Sep34° / 25°284.4123.3
Oct34° / 25°8810.912.12.7
Nov33° / 25°23822.412.32.3
Dec32° / 25°31528.812.42.3

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 19% of September, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16436
26436
36436
46436
56436
66436
76238
86238
96139
106040
116040
125842
135842
145842
155644
165644
175644
185545
195446
205446
215446
225446
235347
245347
255248
265248
275248
285149
295050
304951

Chance of precipitation in September

Any precipitation

Jatibarang gets around 28 mm of rain over 4.4 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 20% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
113
213
313
413
513
613
713
813
913
1013
1112
1212
1312
1412
1512
1613
1713
1813
1914
2014
2115
2216
2316
2417
2517
2618
2718
2819
2919
3020

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 56% of days. Sticky, muggy-or-worse air turns up on roughly 88% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
121256282
221255292
321255292
421354292
521354292
621354292
721355282
821454282
921454282
1011456272
1111456272
1211456272
1311456272
1411357263
1511357263
1611357263
1711256274
1811256274
1911256274
2011156275
2101157275
2201056286
2301056286
240957286
250955297
260955297
270855307
280855307
290854317
300853327

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
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 5:50 AM to 5:35 AM, and sunset from 5:43 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:505:43
211.95:505:43
311.95:495:42
411.95:495:42
511.95:485:42
611.95:485:42
711.95:475:42
811.95:475:42
911.95:465:41
1011.95:455:41
1111.95:455:41
1211.95:445:41
1311.95:445:41
1412.05:435:40
1512.05:435:40
1612.05:425:40
1712.05:425:40
1812.05:415:40
1912.05:405:39
2012.05:405:39
2112.05:395:39
2212.05:395:39
2312.05:385:39
2412.05:385:39
2512.05:375:38
2612.05:375:38
2712.05:365:38
2812.05:365:38
2912.05:355:38
3012.15:355:38

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.56 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.65 kWh/m² to a high of 6.56 kWh/m² in September across the year — September's 6.56 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.6Intense
136.6Intense
146.6Intense
156.6Intense
166.6Intense
176.6Intense
186.6Intense
196.6Intense
206.6Intense
216.6Intense
226.6Intense
236.6Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.5Intense
306.5Intense
Planning a trip in September

Hazard calendar for Jatibarang

In seasonPeak

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

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

Jatibarang's rainy season runs November–April, when most of the year's rain falls.

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

Is September a good time to visit Jatibarang?

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
6.6
Beach & pool
3rd-best month of the year

September is a weaker month for outdoor sightseeing in Jatibarang. The water and warmth also suit a beach or pool day.

What to pack for Jatibarang in September

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

In September, Jatibarang sees daytime highs around 34°C and nights near 25°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

Sea temperature near Jatibarang 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 13 km away) is warmest in May at about 30°C and coldest in February 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
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug28Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Jatibarang 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 Jatibarang peaks around March 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 16 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeExtremeMar 16UV 13Nov 16UV 7
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun8Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov6High
Dec12Extreme

Air quality in Jatibarang 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 Jatibarang is worst in May — around 72 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyMay 1672 µg/m³Sep 1253 µg/m³
PM2.5 (µg/m³)Level
Jan61Unhealthy
Feb60Unhealthy
Mar69Unhealthy
Apr69Unhealthy
May72Unhealthy
Jun69Unhealthy
Jul60Unhealthy
Aug54Poor
Sep53Poor
Oct55Unhealthy
Nov57Unhealthy
Dec60Unhealthy
Location & terrain

Where is Jatibarang?

Jatibarang sits at 6.5°S, 108.3°E, 12 m above sea level, in Indonesia. The nearest listed city is Karangampel, 15 km away.

Topography around Jatibarang

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

Within 3 km, the terrain around Jatibarang has only modest variations in elevation — a maximum elevation change of 16 m around an average of 9 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 34 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,025 m.

The land around Jatibarang is covered by cropland (62%) and artificial surfaces (20%) within 3 km, cropland (74%) within 16 km, and water (45%), trees (26%) and cropland (22%) within 80 km.

3 km
16 m
16 km
34 m
80 km
3,025 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Karangampel 15 km · Indramayu 16 km · Arjawinangun 22 km · Palimanan 28 km · Jatiwangi 29 km · Klangenan 30 km · Plumbon 31 km · Weru 34 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 Jatibarang (-6.4747°, 108.3153°, elevation 12 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).