Kediri weather in September

In September, Kediri sees average daytime highs of 30°C and overnight lows near 21°C, with 19 mm of rain across 4 wet days and about 12 hours of daylight. It is the 4th-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 36% of the time in September, and the air most often feels muggy.

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 Kediri's 3rd-clearest and 1st-windiest month. For the whole year in context, see Kediri's year-round climate.

Daytime high
30°
4th warmest
Overnight low
21°
3rd coldest
Rainfall
19 mm
4 wet days
Daylight
12 hours
5:28 AM – 5:25 PM
Cloud cover
53%
3rd clearest
Wind
8 km/h
1st windiest
Solar energy
5.95 kWh/m²
Travel score
5.4
out of 10

Kediri is city in East Java Province, Indonesia.

Density
4,754/km²
people per km²
Founded
~879 CE

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 30°C through the month.

A typical September day in Kediri reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, September runs on par with August and about 1°C cooler than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13021
23021
33021
43021
53021
63021
73021
83021
93021
103021
113021
123021
133021
143021
153021
163121
173121
183121
193121
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122

How September really feels in Kediri

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.

Kediri weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°41629.212.42.6
Feb30° / 23°40627.412.32.5
Mar30° / 23°33028.412.12.7
Apr30° / 23°19824.511.83.1
May30° / 23°8315.211.64.3
Jun30° / 22°418.911.65.2
Jul30° / 21°225.111.65.9
Aug30° / 21°113.311.76.1
Sep30° / 21°194125.4
Oct31° / 23°7112.912.24.1
Nov31° / 23°18423.112.42.9
Dec31° / 23°33126.912.42.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 26% of September, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16634
26634
36634
46634
56634
66634
76634
86634
96535
106535
116436
126535
136436
146337
156337
166238
176139
186139
196040
206040
215941
225941
235842
245743
255743
265644
275644
285446
295446
305446

Chance of precipitation in September

Any precipitation

Kediri gets around 19 mm of rain over 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 22% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
111
211
311
411
511
611
711
811
911
1011
1111
1212
1312
1412
1513
1614
1714
1815
1915
2016
2116
2217
2317
2418
2519
2619
2720
2821
2921
3022

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 64% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
187022
286923
386923
486923
586824
676924
776924
876825
976825
1076726
1166826
1266727
1366628
1456629
1556530
1656431
1746432
1846333
1936334
2036235
2136136
2226137
2326137
2426038
2525939
2625741
2715742
2815643
2915544
3015445

Wind in September

Winds average 8 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 8 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 5:36 AM to 5:19 AM, and sunset from 5:27 PM to 5:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:365:27
211.95:365:27
311.95:355:27
411.95:355:27
511.95:345:27
611.95:335:26
711.95:335:26
811.95:325:26
911.95:325:26
1011.95:315:26
1111.95:305:26
1211.95:305:26
1311.95:295:25
1411.95:295:25
1512.05:285:25
1612.05:285:25
1712.05:275:25
1812.05:265:25
1912.05:265:25
2012.05:255:24
2112.05:255:24
2212.05:245:24
2312.05:235:24
2412.05:235:24
2512.05:225:24
2612.05:225:24
2712.05:215:23
2812.05:215:23
2912.15:205:23
3012.15:195:23

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.95 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.49 kWh/m² to a high of 5.95 kWh/m² in September across the year — September's 5.95 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
146.0Bright
156.0Bright
166.0Bright
176.0Bright
186.0Bright
196.0Bright
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
Planning a trip in September

Hazard calendar for Kediri

In seasonPeak

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

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

Kediri's monsoon runs December–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 Kediri?

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 Kediri for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Kediri in September

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

In September, Kediri sees daytime highs around 30°C and nights near 21°C. Pack light clothes. Worth having: sun protection. About 4 days see rain.

light clothessun protection

Sea temperature near Kediri 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 at the nearest coast (about 63 km away) 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 Kediri 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 Kediri peaks around March 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 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 highExtremeMar 17UV 14Jun 16UV 8
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar14Extreme
Apr13Extreme
May10Very high
Jun7Very high
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov10Very high
Dec13Extreme

Air quality in Kediri 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 Kediri is worst in May — around 64 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorMay 1764 µg/m³Dec 2343 µg/m³
PM2.5 (µg/m³)Level
Jan44Poor
Feb45Poor
Mar53Poor
Apr59Unhealthy
May64Unhealthy
Jun60Unhealthy
Jul54Poor
Aug48Poor
Sep47Poor
Oct49Poor
Nov48Poor
Dec43Poor
Location & terrain

Where is Kediri?

Kediri sits at 7.8°S, 112.0°E, 74 m above sea level, in Indonesia. The nearest listed city is Gampengrejo, 6.0 km away.

Topography around Kediri

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

Within 3 km, the terrain around Kediri has only modest variations in elevation — a maximum elevation change of 32 m around an average of 72 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 787 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,308 m.

The land around Kediri is covered by artificial surfaces (63%) and cropland (22%) within 3 km, cropland (43%) and trees (39%) within 16 km, and trees (54%) and cropland (29%) within 80 km.

3 km
32 m
16 km
787 m
80 km
3,308 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Gampengrejo 6.0 km · Pare 21 km · Nganjuk 27 km · Kertosono 28 km · Kedungwaru 30 km · Tulungagung 30 km · Ngoro 30 km · Ngunut 32 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 Kediri (-7.8167°, 112.0167°, elevation 74 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).