Pandaan weather in September

In September, Pandaan sees average daytime highs of 30°C and overnight lows near 20°C, with 21 mm of rain across 4.5 wet days and about 12 hours of daylight. It is the 2nd-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 36% of the time in September, and the air most often feels humid.

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 Pandaan's 2nd-clearest and 1st-windiest month. For the whole year in context, see Pandaan's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
20°
3rd coldest
Rainfall
21 mm
4.5 wet days
Daylight
12 hours
5:25 AM – 5:22 PM
Cloud cover
52%
2nd clearest
Wind
5 km/h
1st windiest
Solar energy
6.2 kWh/m²
Travel score
5.6
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 Pandaan reaches about 30°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13019
23019
33019
43019
53020
63020
73020
83020
93020
103020
113020
123020
133020
143020
153020
163020
173020
183020
193020
203020
213020
223020
233020
243020
253020
263020
273020
283020
293020
303020

How September really feels in Pandaan

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.

Pandaan weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 21°51229.712.43.1
Feb28° / 21°48927.312.33.0
Mar28° / 21°42928.912.13.2
Apr29° / 21°2362411.83.7
May29° / 21°8114.511.74.9
Jun29° / 20°388.711.65.6
Jul29° / 19°21511.66.2
Aug29° / 19°10311.76.3
Sep30° / 20°214.5125.6
Oct31° / 21°7010.712.24.6
Nov30° / 22°21020.912.33.5
Dec29° / 22°42028.612.43.1

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 25% of September, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16337
26436
36436
46436
56436
66436
76436
86436
96337
106337
116337
126238
136238
146238
156139
166139
176238
186139
196139
206040
216139
226040
235941
245842
255842
265743
275644
285545
295545
305446

Chance of precipitation in September

Any precipitation

Pandaan gets around 21 mm of rain over 4.5 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 15% 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
313
413
513
613
713
813
913
1013
1113
1214
1314
1414
1514
1615
1715
1815
1916
2016
2116
2217
2317
2418
2518
2619
2720
2820
2921
3022

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 46% of days. Sticky, muggy-or-worse air turns up on roughly 45% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11851391
21850401
31850401
41950401
51949411
61949411
70949411
80949411
90949411
100949411
110949411
120949411
130948412
140948412
150948412
160948413
170947413
180947413
190846423
200845424
210845434
220844434
230843444
240842445
250842455
260841465
270840465
280840475
290839485
300738495

Wind in September

Winds average 5 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 5 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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 5:33 AM to 5:17 AM, and sunset from 5:25 PM to 5:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:335:25
211.95:335:24
311.95:325:24
411.95:325:24
511.95:315:24
611.95:315:24
711.95:305:24
811.95:295:24
911.95:295:23
1011.95:285:23
1111.95:285:23
1211.95:275:23
1311.95:275:23
1411.95:265:23
1512.05:255:22
1612.05:255:22
1712.05:245:22
1812.05:245:22
1912.05:235:22
2012.05:225:22
2112.05:225:22
2212.05:215:21
2312.05:215:21
2412.05:205:21
2512.05:205:21
2612.05:195:21
2712.05:185:21
2812.05:185:21
2912.15:175:20
3012.15:175:20

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.2 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.51 kWh/m² to a high of 6.2 kWh/m² in September across the year — September's 6.2 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Bright
26.0Intense
36.0Intense
46.0Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
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 Pandaan

In seasonPeak

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

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

Pandaan'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 Pandaan?

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

5.6
Sightseeing
3rd-best month of the year
7.7
Beach & pool
3rd-best month of the year

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

What to pack for Pandaan in September

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

In September, Pandaan sees daytime highs around 30°C and nights near 20°C. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

Sea temperature near Pandaan in September

The nearest coast averages about 28°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 21 km away) is warmest in November 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
Jul28Tropical
Aug28Tropical
Sep28Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Pandaan 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 Pandaan peaks around March 18 at about 13 (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 18UV 13Jun 16UV 7
UV index (midday)Level
Jan11Extreme
Feb11Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun7High
Jul9Very high
Aug11Extreme
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec10Extreme

Air quality in Pandaan 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 Pandaan is worst in May — around 101 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyMay 13101 µg/m³Aug 2267 µg/m³
PM2.5 (µg/m³)Level
Jan76Unhealthy
Feb71Unhealthy
Mar87Unhealthy
Apr99Unhealthy
May101Unhealthy
Jun95Unhealthy
Jul81Unhealthy
Aug66Unhealthy
Sep69Unhealthy
Oct80Unhealthy
Nov87Unhealthy
Dec81Unhealthy
Location & terrain

Where is Pandaan?

Pandaan sits at 7.7°S, 112.7°E, 196 m above sea level, in Indonesia. The nearest listed city is Prigen, 9.0 km away.

Topography around Pandaan

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

Within 3 km, the terrain around Pandaan has significant variations in elevation — a maximum elevation change of 260 m around an average of 197 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,211 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,645 m.

The land around Pandaan is covered by artificial surfaces (38%), trees (30%) and cropland (25%) within 3 km, trees (47%) and cropland (25%) within 16 km, and trees (44%), cropland (24%) and water (20%) within 80 km.

3 km
260 m
16 km
3,211 m
80 km
3,645 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Prigen 9.0 km · Bangil 16 km · Tanggulangin 17 km · Tulangan Utara 20 km · Lawang 20 km · Sidoarjo 23 km · Pasuruan 24 km · Buduran 25 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 Pandaan (-7.6527°, 112.6875°, elevation 196 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).