Ponorogo weather in September

In September, Ponorogo sees average daytime highs of 30°C and overnight lows near 21°C, with 38 mm of rain across 5.5 wet days and about 12 hours of daylight. It is the 3rd-warmest and 10th-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 26% 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 Ponorogo's 3rd-clearest and 1st-windiest month. For the whole year in context, see Ponorogo's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
21°
3rd coldest
Rainfall
38 mm
5.5 wet days
Daylight
12 hours
5:30 AM – 5:27 PM
Cloud cover
59%
3rd clearest
Wind
9 km/h
1st windiest
Solar energy
5.78 kWh/m²
Travel score
5.5
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 Ponorogo 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 28°C and 31°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12920
22920
32921
42921
52921
62921
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021

How September really feels in Ponorogo

Once humidity and wind are folded in, September averages 3 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
3
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.

Ponorogo weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°4132912.42.9
Feb29° / 22°39927.212.32.7
Mar30° / 22°39828.612.12.8
Apr30° / 22°27025.411.83.1
May30° / 22°1201711.64.4
Jun29° / 21°6510.611.65.3
Jul29° / 21°356.611.66.1
Aug29° / 20°173.811.76.4
Sep30° / 21°385.5125.5
Oct31° / 22°12915.612.24.1
Nov30° / 22°28724.512.43.0
Dec30° / 22°39827.212.42.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 28% of September, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55842
65743
75743
85743
95644
105743
115644
125644
135545
145545
155446
165446
175347
185347
195248
205149
215149
225050
235050
245050
254951
264951
274852
284753
294753
304654

Chance of precipitation in September

Any precipitation

Ponorogo gets around 38 mm of rain over 5.5 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 20% and peaks near 31% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
115
215
315
415
515
614
714
815
915
1015
1115
1216
1316
1417
1518
1619
1719
1820
1921
2022
2122
2223
2324
2425
2526
2627
2728
2829
2930
3031

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 71% of days. Sticky, muggy-or-worse air turns up on roughly 86% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
1177211
2177211
3177211
4167311
5167311
6167410
7167410
8167410
9167410
10167311
11157411
12157312
13157312
14147313
15147214
16147115
17137215
18137116
19127117
20127018
21117118
22117019
23107020
24107020
25106921
2696922
2796922
2896823
2986923
3086824

Wind in September

Winds average 9 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 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
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 5:38 AM to 5:22 AM, and sunset from 5:29 PM to 5:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:385:29
211.95:385:29
311.95:375:29
411.95:375:29
511.95:365:29
611.95:365:29
711.95:355:29
811.95:345:28
911.95:345:28
1011.95:335:28
1111.95:335:28
1211.95:325:28
1311.95:325:28
1411.95:315:27
1511.95:305:27
1612.05:305:27
1712.05:295:27
1812.05:295:27
1912.05:285:27
2012.05:275:27
2112.05:275:26
2212.05:265:26
2312.05:265:26
2412.05:255:26
2512.05:245:26
2612.05:245:26
2712.05:235:26
2812.05:235:26
2912.15:225:25
3012.15:225:25

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.78 kWh/m².

For context, solar energy here swings from a low near 4.55 kWh/m² to a high of 5.82 kWh/m² in October across the year — September's 5.78 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Hazard calendar for Ponorogo

In seasonPeak

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

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

Ponorogo'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 Ponorogo?

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

5.5
Sightseeing
3rd-best month of the year
7.4
Beach & pool
3rd-best month of the year

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

What to pack for Ponorogo in September

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

In September, Ponorogo sees daytime highs around 30°C and nights near 21°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

Sea temperature near Ponorogo 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 57 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 Ponorogo 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 Ponorogo peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 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 highExtremeMar 14UV 15Jun 16UV 7
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May10Very high
Jun7High
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov10Extreme
Dec13Extreme

Air quality in Ponorogo 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 Ponorogo 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 Ponorogo?

Ponorogo sits at 7.9°S, 111.5°E, 103 m above sea level, in Indonesia. The nearest listed city is Madiun, 27 km away.

Topography around Ponorogo

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

Within 3 km, the terrain around Ponorogo has only modest variations in elevation — a maximum elevation change of 29 m around an average of 99 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 634 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,227 m.

The land around Ponorogo is covered by cropland (39%), artificial surfaces (38%) and trees (22%) within 3 km, cropland (44%) and trees (42%) within 16 km, and trees (56%) and cropland (22%) within 80 km.

3 km
29 m
16 km
634 m
80 km
3,227 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Madiun 27 km · Trenggalek 35 km · Jatiroto 38 km · Ngawi 52 km · Tulungagung 53 km · Kedungwaru 55 km · Boyolangu 55 km · Nganjuk 57 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 Ponorogo (-7.8685°, 111.462°, elevation 103 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).