Kencong weather in September

In September, Kencong sees average daytime highs of 27°C and overnight lows near 22°C, with 67 mm of rain across 12.1 wet days and about 12 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°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 48 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Kencong's 5th-clearest and 2nd-windiest month. For the whole year in context, see Kencong's year-round climate.

Daytime high
27°
10th warmest
Overnight low
22°
3rd coldest
Rainfall
67 mm
12.1 wet days
Daylight
12 hours
5:22 AM – 5:20 PM
Cloud cover
67%
5th clearest
Wind
6 km/h
2nd windiest
Solar energy
5.79 kWh/m²
Travel score
6.0
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical September day in Kencong reaches about 27°C in the afternoon and slips back to 22°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, September runs on par with August and about 1°C cooler than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12621
22621
32621
42621
52621
62621
72722
82722
92722
102722
112722
122722
132722
142722
152722
162722
172722
182722
192722
202722
212722
222722
232722
242722
252722
262722
272722
282722
292722
302722

How September really feels in Kencong

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Kencong weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°35828.712.42.9
Feb29° / 24°34726.512.32.8
Mar30° / 24°28326.912.13.1
Apr29° / 24°1632311.83.6
May29° / 24°9315.711.65.0
Jun27° / 23°6212.711.55.9
Jul26° / 22°4411.311.66.3
Aug26° / 21°3510.411.76.5
Sep27° / 22°6712.1126.0
Oct28° / 23°9616.812.25.0
Nov29° / 24°22723.512.43.6
Dec29° / 24°3162712.53.1

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 27% of September, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14159
24159
34060
44060
54060
64060
74060
84060
93862
103862
113862
123862
133862
143763
153763
163664
173664
183664
193664
203565
213565
223466
233466
243466
253466
263367
273466
283367
293268
303169

Chance of precipitation in September

Any precipitation

Kencong gets around 67 mm of rain over 12.1 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 40% and peaks near 46% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
135
236
337
437
538
638
738
838
938
1039
1139
1239
1339
1439
1539
1640
1740
1841
1941
2041
2142
2242
2343
2443
2544
2644
2745
2845
2946
3046

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 63% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1245530
2244540
3242560
4242560
5241570
6241570
7240580
8240580
9239590
10238600
11238600
12237610
13236620
14135640
15135640
16134650
17134650
18133660
19133651
20132661
21132661
22131671
23131671
24130681
25130681
26129691
27028702
28028702
29027712
30026722

Wind in September

Winds average 6 km/h in September.

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

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 48 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 18 minutes over September. Sunrise moves from 5:31 AM to 5:14 AM, and sunset from 5:21 PM to 5:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:315:21
211.85:305:21
311.95:305:21
411.95:295:21
511.95:295:21
611.95:285:21
711.95:285:21
811.95:275:21
911.95:265:20
1011.95:265:20
1111.95:255:20
1211.95:255:20
1311.95:245:20
1411.95:235:20
1511.95:235:20
1612.05:225:20
1712.05:225:19
1812.05:215:19
1912.05:205:19
2012.05:205:19
2112.05:195:19
2212.05:195:19
2312.05:185:19
2412.05:175:18
2512.05:175:18
2612.05:165:18
2712.05:165:18
2812.05:155:18
2912.15:145:18
3012.15:145:18

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.79 kWh/m².

For context, solar energy here swings from a low near 4.52 kWh/m² to a high of 5.99 kWh/m² in October across the year — September's 5.79 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
65.6Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in September

Hazard calendar for Kencong

In seasonPeak

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

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

Kencong'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 Kencong?

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

6.0
Sightseeing
3rd-best month of the year
6.1
Beach & pool
4th-best month of the year

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

What to pack for Kencong in September

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

In September, Kencong sees daytime highs around 27°C and nights near 22°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Kencong in September

The nearest coast averages about 25°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in March at about 29°C and coldest in August near 25°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug25Warm
Sep25Warm
Oct26Warm
Nov28Warm
Dec29Tropical

UV index in Kencong 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 Kencong peaks around February 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 15UV 14Jun 18UV 9
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun8Very high
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in Kencong 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 Kencong is worst in May — around 38 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (September, 23 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1138 µg/m³Sep 1523 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb31Moderate
Mar37Poor
Apr38Poor
May38Poor
Jun36Poor
Jul31Moderate
Aug25Moderate
Sep23Moderate
Oct26Moderate
Nov28Moderate
Dec30Moderate
Location & terrain

Where is Kencong?

Kencong sits at 8.3°S, 113.4°E, 11 m above sea level, in Indonesia. The nearest listed city is Lumajang, 23 km away.

Topography around Kencong

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

Within 3 km, the terrain around Kencong has only modest variations in elevation — a maximum elevation change of 24 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 197 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,644 m.

The land around Kencong is covered by cropland (52%) and trees (32%) within 3 km, cropland (34%), trees (28%) and water (25%) within 16 km, and trees (49%) and water (38%) within 80 km.

3 km
24 m
16 km
197 m
80 km
3,644 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Lumajang 23 km · Jember 39 km · Kraksaan 58 km · Probolinggo 61 km · Bondowoso 65 km · Dampit 68 km · Besuki 71 km · Gongdanglegi Kulon 81 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 Kencong (-8.2833°, 113.3667°, elevation 11 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).