Jatiroto weather in September

In September, Jatiroto sees average daytime highs of 28°C and overnight lows near 20°C, with 57 mm of rain across 9.3 wet days and about 12 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 13% 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 Jatiroto's 4th-clearest and 2nd-windiest month. For the whole year in context, see Jatiroto's year-round climate.

Daytime high
28°
10th warmest
Overnight low
20°
3rd coldest
Rainfall
57 mm
9.3 wet days
Daylight
12 hours
5:31 AM – 5:29 PM
Cloud cover
67%
4th clearest
Wind
9 km/h
2nd windiest
Solar energy
5.59 kWh/m²
Travel score
6.2
out of 10

Jatiroto is subdistrict in Wonogiri Regency, Central Java, Indonesia.

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 28°C through the month.

A typical September day in Jatiroto reaches about 28°C in the afternoon and slips back to 20°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°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)
12720
22720
32720
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152820
162820
172820
182820
192820
202820
212820
222821
232821
242821
252821
262821
272821
282821
292821
302821

How September really feels in Jatiroto

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.

Jatiroto weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°40329.512.43.0
Feb29° / 22°39127.312.32.8
Mar29° / 22°38629.612.12.9
Apr29° / 22°28726.711.83.1
May29° / 22°13819.611.64.3
Jun28° / 21°9913.611.65.5
Jul27° / 20°499.511.66.4
Aug27° / 20°326.611.76.9
Sep28° / 20°579.3126.2
Oct29° / 21°13818.612.24.4
Nov29° / 22°31826.612.43.2
Dec28° / 22°41128.812.53.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 23% of September, with mostly cloudy or overcast conditions the remaining 64%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13961
23862
33961
44060
54060
63961
73961
83961
93961
103862
113862
123763
133763
143763
153763
163763
173763
183664
193664
203565
213565
223565
233466
243367
253268
263268
273169
283070
293070
302971

Chance of precipitation in September

Any precipitation

Jatiroto gets around 57 mm of rain over 9.3 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 32% and peaks near 43% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
124
224
325
425
525
625
726
826
927
1027
1128
1228
1329
1430
1531
1632
1733
1833
1934
2035
2136
2237
2337
2438
2539
2640
2741
2842
2943
3043

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 95% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
1117316
2107416
3107416
497516
597516
687517
787517
887418
977518
1077419
1177320
1267420
1367321
1467222
1557223
1657124
1747125
1847026
1937027
2037027
2127028
2226929
2326830
2426731
2516831
2616732
2716633
2816534
2916534
3016435

Wind in September

Winds average 9 km/h in September.

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
279calm
289calm
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 5:40 AM to 5:23 AM, and sunset from 5:31 PM to 5:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:405:31
211.95:395:31
311.95:395:30
411.95:385:30
511.95:385:30
611.95:375:30
711.95:365:30
811.95:365:30
911.95:355:30
1011.95:355:29
1111.95:345:29
1211.95:345:29
1311.95:335:29
1411.95:325:29
1511.95:325:29
1612.05:315:29
1712.05:315:28
1812.05:305:28
1912.05:295:28
2012.05:295:28
2112.05:285:28
2212.05:285:28
2312.05:275:28
2412.05:265:27
2512.05:265:27
2612.05:255:27
2712.05:255:27
2812.05:245:27
2912.15:245:27
3012.15:235:27

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.59 kWh/m².

For context, solar energy here swings from a low near 4.42 kWh/m² to a high of 5.69 kWh/m² in October across the year — September's 5.59 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.7Bright
305.7Bright
Planning a trip in September

Hazard calendar for Jatiroto

In seasonPeak

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

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

Jatiroto's rainy season runs November–April, when most of the year's rain falls.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Jatiroto?

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

6.2
Sightseeing
3rd-best month of the year
6.6
Beach & pool
2nd-best month of the year

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

What to pack for Jatiroto in September

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

In September, Jatiroto sees daytime highs around 28°C and nights near 20°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near Jatiroto 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 55 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 Jatiroto 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 Jatiroto peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 15 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 13UV 15Jun 15UV 7
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May9Very high
Jun7High
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov10Extreme
Dec13Extreme

Air quality in Jatiroto 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 Jatiroto is worst in May — around 26 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1226 µg/m³Dec 1617 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb19Moderate
Mar21Moderate
Apr25Moderate
May26Moderate
Jun24Moderate
Jul21Moderate
Aug20Moderate
Sep19Moderate
Oct20Moderate
Nov19Moderate
Dec17Moderate
Location & terrain

Where is Jatiroto?

Jatiroto sits at 7.9°S, 111.1°E, 265 m above sea level, in Indonesia. The nearest listed city is Selogiri, 30 km away.

Topography around Jatiroto

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

Within 3 km, the terrain around Jatiroto has only modest variations in elevation — a maximum elevation change of 151 m around an average of 265 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,108 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,211 m.

The land around Jatiroto is covered by trees (81%) within 3 km, trees (84%) within 16 km, and trees (58%) and water (20%) within 80 km.

3 km
151 m
16 km
1,108 m
80 km
3,211 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Selogiri 30 km · Ponorogo 38 km · Jaten 42 km · Grogol 45 km · Baki 47 km · Surakarta 48 km · Sragen 52 km · Madiun 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 Jatiroto (-7.8833°, 111.1167°, elevation 265 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).