Selogiri weather in September

In September, Selogiri sees average daytime highs of 31°C and overnight lows near 21°C, with 36 mm of rain across 4.6 wet days and about 12 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°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 Selogiri's 3rd-clearest and 1st-windiest month. For the whole year in context, see Selogiri's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
21°
3rd coldest
Rainfall
36 mm
4.6 wet days
Daylight
12 hours
5:32 AM – 5:30 PM
Cloud cover
58%
3rd clearest
Wind
8 km/h
1st windiest
Solar energy
5.84 kWh/m²
Travel score
5.0
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical September day in Selogiri reaches about 31°C in the afternoon and slips back to 21°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 33°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13121
23121
33121
43121
53121
63121
73121
83121
93121
103121
113121
123121
133121
143121
153121
163121
173121
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122

How September really feels in Selogiri

Once humidity and wind are folded in, September averages 30 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
30
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.

Selogiri weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°32428.612.42.8
Feb30° / 23°33226.912.32.6
Mar30° / 23°33228.512.12.7
Apr31° / 23°26624.711.82.9
May31° / 23°11815.411.64.0
Jun30° / 22°689.511.64.8
Jul30° / 21°385.511.65.5
Aug30° / 21°163.111.75.7
Sep31° / 21°364.6125.0
Oct31° / 22°12913.612.23.9
Nov31° / 23°28224.312.42.9
Dec30° / 23°34327.312.42.9

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 29% of September, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15941
26040
36040
46040
56040
66040
76040
86040
96040
106040
116040
126040
135941
145842
155743
165743
175545
185446
195446
205347
215248
225248
235050
244951
254951
264753
274654
284555
294555
304456

Chance of precipitation in September

Any precipitation

Selogiri gets around 36 mm of rain over 4.6 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 16% and peaks near 25% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
112
212
311
411
511
611
711
811
912
1012
1112
1213
1314
1414
1515
1616
1717
1817
1918
2019
2119
2220
2321
2421
2522
2622
2723
2824
2924
3025

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 (%)
186923
286824
386824
486824
586725
676825
776825
876726
976726
1076726
1166727
1266727
1366628
1456728
1556629
1656530
1746630
1846531
1936532
2036433
2136334
2226434
2326335
2426137
2526038
2616039
2715940
2815841
2915742
3015643

Wind in September

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

Across September, daily wind ranges from about 7 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
17calm
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 5:41 AM to 5:24 AM, and sunset from 5:32 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:415:32
211.95:405:32
311.95:405:31
411.95:395:31
511.95:395:31
611.95:385:31
711.95:375:31
811.95:375:31
911.95:365:31
1011.95:365:30
1111.95:355:30
1211.95:345:30
1311.95:345:30
1411.95:335:30
1512.05:335:30
1612.05:325:30
1712.05:325:29
1812.05:315:29
1912.05:305:29
2012.05:305:29
2112.05:295:29
2212.05:295:29
2312.05:285:29
2412.05:275:28
2512.05:275:28
2612.05:265:28
2712.05:265:28
2812.05:255:28
2912.15:255:28
3012.15:245:28

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.84 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.58 kWh/m² to a high of 5.84 kWh/m² in September across the year — September's 5.84 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in September

Hazard calendar for Selogiri

In seasonPeak

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

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

Selogiri'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 Selogiri?

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

5.0
Sightseeing
3rd-best month of the year
7.3
Beach & pool
3rd-best month of the year

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

What to pack for Selogiri in September

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

In September, Selogiri sees daytime highs around 31°C and nights near 21°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

Sea temperature near Selogiri 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 46 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 Selogiri 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 Selogiri peaks around March 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 14 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 highExtremeVery highExtremeMar 13UV 14Jun 14UV 7
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar14Extreme
Apr12Extreme
May8Very high
Jun7Very high
Jul9Very high
Aug11Extreme
Sep13Extreme
Oct13Extreme
Nov9Very high
Dec11Extreme

Air quality in Selogiri 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 Selogiri is worst in May — around 54 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (September, 32 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorMay 1254 µg/m³Sep 1333 µg/m³
PM2.5 (µg/m³)Level
Jan43Poor
Feb43Poor
Mar49Poor
Apr52Poor
May54Poor
Jun47Poor
Jul40Poor
Aug34Moderate
Sep32Moderate
Oct36Poor
Nov39Poor
Dec39Poor
Location & terrain

Where is Selogiri?

Selogiri sits at 7.8°S, 110.9°E, 117 m above sea level, in Indonesia. The nearest listed city is Grogol, 21 km away.

Topography around Selogiri

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

Within 3 km, the terrain around Selogiri has significant variations in elevation — a maximum elevation change of 533 m around an average of 138 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 701 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,224 m.

The land around Selogiri is covered by trees (43%) and cropland (42%) within 3 km, trees (54%) and cropland (28%) within 16 km, and trees (57%) within 80 km.

3 km
533 m
16 km
701 m
80 km
3,224 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Grogol 21 km · Baki 21 km · Jaten 23 km · Ceper 24 km · Trucuk 24 km · Surakarta 26 km · Delanggu 27 km · Gatak 28 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 Selogiri (-7.7833°, 110.8667°, elevation 117 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).