Wongsorejo weather in September

In September, Wongsorejo sees average daytime highs of 26°C and overnight lows near 24°C, with 3 mm of rain across 0.5 wet days and about 12 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 59% 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 Wongsorejo's 2nd-clearest and 1st-windiest month. For the whole year in context, see Wongsorejo's year-round climate.

Daytime high
26°
10th warmest
Overnight low
24°
3rd coldest
Rainfall
3 mm
0.5 wet days
Daylight
12 hours
5:18 AM – 5:15 PM
Cloud cover
37%
2nd clearest
Wind
23 km/h
1st windiest
Solar energy
6.75 kWh/m²
Travel score
8.6
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical September day in Wongsorejo reaches about 26°C in the afternoon and slips back to 24°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 27°C. Set against its neighbours, September runs on par with August and about 1°C cooler than October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12524
22524
32524
42624
52624
62624
72624
82624
92624
102624
112624
122624
132624
142624
152624
162624
172624
182624
192624
202624
212624
222624
232624
242624
252624
262624
272624
282624
292624
302624

Wongsorejo weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 25°28526.712.43.9
Feb27° / 25°25424.412.33.9
Mar27° / 25°17822.112.14.7
Apr27° / 25°9114.411.85.8
May27° / 25°335.411.67.5
Jun26° / 25°173.111.58.0
Jul25° / 24°81.411.68.5
Aug25° / 24°10.211.78.8
Sep26° / 24°30.5128.6
Oct27° / 25°121.912.28.0
Nov27° / 25°6610.512.46.3
Dec27° / 25°20223.312.54.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17822
27822
37822
47723
57723
67723
77723
87624
97624
107624
117624
127525
137525
147426
157426
167426
177327
187228
197228
207129
217129
227030
237030
247030
256931
266931
276832
286832
296733
306634

Chance of precipitation in September

Any precipitation

Wongsorejo gets around 3 mm of rain over 0.5 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 2% and peaks near 3% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
172
182
192
202
212
222
232
243
253
263
273
283
293
303

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 71% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
113762
213564
313465
413366
513267
613267
713168
813168
913168
1013069
1113069
1213069
1312970
1412970
1512970
1602971
1702971
1802872
1902872
2002773
2102773
2202674
2302575
2402575
2502476
2602377
2702278
2802278
2902179
3002080

Wind in September

Winds average 23 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 23 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202530
Wind speed (km/h)Feels
123breezy
223breezy
323breezy
423breezy
523breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1123breezy
1223breezy
1323breezy
1423breezy
1523breezy
1623breezy
1723breezy
1823breezy
1923breezy
2023breezy
2123breezy
2223breezy
2323breezy
2423breezy
2523breezy
2623breezy
2723breezy
2823breezy
2923breezy
3023breezy

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 5:27 AM to 5:10 AM, and sunset from 5:17 PM to 5:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:275:17
211.95:265:17
311.95:265:17
411.95:255:17
511.95:245:17
611.95:245:17
711.95:235:17
811.95:235:17
911.95:225:16
1011.95:225:16
1111.95:215:16
1211.95:205:16
1311.95:205:16
1411.95:195:16
1511.95:195:16
1612.05:185:15
1712.05:175:15
1812.05:175:15
1912.05:165:15
2012.05:165:15
2112.05:155:15
2212.05:145:15
2312.05:145:14
2412.05:135:14
2512.05:135:14
2612.05:125:14
2712.05:125:14
2812.05:115:14
2912.15:105:14
3012.15:105:14

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.75 kWh/m².

For context, solar energy here swings from a low near 5.21 kWh/m² to a high of 6.9 kWh/m² in October across the year — September's 6.75 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.6Intense
66.6Intense
76.6Intense
86.6Intense
96.7Intense
106.7Intense
116.7Intense
126.7Intense
136.7Intense
146.7Intense
156.7Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.9Intense
276.9Intense
286.9Intense
296.9Intense
306.9Intense
Planning a trip in September

Hazard calendar for Wongsorejo

In seasonPeak

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

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

Wongsorejo's monsoon runs December–March, 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 Wongsorejo?

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

8.6
Sightseeing
2nd-best month of the year
8.1
Beach & pool
1st-best month of the year

September is one of the better times to visit Wongsorejo for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Wongsorejo in September

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

In September, Wongsorejo sees daytime highs around 26°C and nights near 24°C. Pack sun protection. Worth having: light clothes and a windbreaker.

sun protectionlight clothesa windbreaker

Sea temperature near Wongsorejo 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 28 km away) is warmest in April 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°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug28Warm
Sep28Tropical
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Wongsorejo 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 Wongsorejo peaks around March 18 at about 13 (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 highExtremeMar 18UV 13Jun 18UV 9
UV index (midday)Level
Jan12Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun9Very high
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in Wongsorejo 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 Wongsorejo is worst in January — around 20 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJan 1920 µg/m³Sep 1614 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb18Moderate
Mar19Moderate
Apr16Moderate
May16Moderate
Jun16Moderate
Jul14Moderate
Aug14Moderate
Sep14Moderate
Oct14Moderate
Nov15Moderate
Dec16Moderate
Location & terrain

Where is Wongsorejo?

Wongsorejo sits at 8.0°S, 114.4°E, 32 m above sea level, in Indonesia. The nearest listed city is Banyuwangi, 27 km away.

Topography around Wongsorejo

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

Within 3 km, the terrain around Wongsorejo has only modest variations in elevation — a maximum elevation change of 142 m around an average of 47 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,145 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,219 m.

The land around Wongsorejo is covered by trees (55%) and cropland (33%) within 3 km, trees (53%) and water (36%) within 16 km, and water (50%) and trees (40%) within 80 km.

3 km
142 m
16 km
2,145 m
80 km
3,219 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Banyuwangi 27 km · Singojuruh 41 km · Panji 44 km · Negara 47 km · Srono 48 km · Muncar 50 km · Genteng 50 km · Gambiran Satu 53 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 Wongsorejo (-7.9908°, 114.4009°, elevation 32 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).