Kawalu weather in September

In September, Kawalu sees average daytime highs of 26°C and overnight lows near 21°C, with 141 mm of rain across 20.5 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 26°C through the month. The sky is clear or mostly clear about 5% of the time in September, and the air most often feels oppressive.

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 Kawalu's 5th-clearest and 1st-windiest month. For the whole year in context, see Kawalu's year-round climate.

Daytime high
26°
10th warmest
Overnight low
21°
2nd coldest
Rainfall
141 mm
20.5 wet days
Daylight
12 hours
5:43 AM – 5:40 PM
Cloud cover
76%
5th clearest
Wind
7 km/h
1st windiest
Solar energy
4.85 kWh/m²
Travel score
4.8
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 Kawalu reaches about 26°C in the afternoon and slips back to 21°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°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)
12620
22620
32620
42620
52620
62620
72620
82620
92620
102621
112621
122621
132621
142621
152621
162621
172621
182621
192621
202621
212721
222721
232721
242721
252721
262721
272721
282721
292721
302721

How September really feels in Kawalu

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.

Kawalu 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°46329.112.43.0
Feb29° / 22°4392712.22.8
Mar29° / 23°40528.812.12.9
Apr29° / 23°31327.411.83.0
May29° / 23°1962511.73.7
Jun28° / 22°15620.611.64.6
Jul26° / 21°11920.211.65.0
Aug26° / 20°11118.911.85.2
Sep26° / 21°14120.5124.8
Oct28° / 22°25423.312.24.2
Nov28° / 22°34327.112.33.2
Dec29° / 23°39627.812.43.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12080
22080
32080
42080
52080
62080
71981
81981
91882
101882
111882
121882
131882
141882
151783
161783
171783
181684
191783
201783
211684
221684
231783
241783
251783
261783
271783
281684
291684
301684

Chance of precipitation in September

Any precipitation

Kawalu gets around 141 mm of rain over 20.5 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 68% and peaks near 68% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
165
266
366
467
567
668
768
868
968
1068
1168
1267
1367
1467
1567
1667
1767
1868
1968
2068
2168
2268
2368
2468
2568
2668
2768
2868
2968
3068

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
165440
265341
365242
465143
565044
655045
755045
854946
954947
1054847
1144848
1244749
1344650
1444650
1534552
1634552
1734552
1824454
1924454
2024454
2124454
2224454
2314455
2414455
2514455
2614455
2714455
2814356
2914356
3014257

Wind in September

Winds average 7 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 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 5:51 AM to 5:35 AM, and sunset from 5:43 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:515:43
211.95:515:42
311.95:505:42
411.95:505:42
511.95:495:42
611.95:485:42
711.95:485:42
811.95:475:42
911.95:475:41
1011.95:465:41
1111.95:465:41
1211.95:455:41
1311.95:445:41
1411.95:445:41
1512.05:435:40
1612.05:435:40
1712.05:425:40
1812.05:425:40
1912.05:415:40
2012.05:405:40
2112.05:405:39
2212.05:395:39
2312.05:395:39
2412.05:385:39
2512.05:385:39
2612.05:375:39
2712.05:365:39
2812.05:365:38
2912.15:355:38
3012.15:355:38

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.85 kWh/m².

For context, solar energy here swings from a low near 4.13 kWh/m² to a high of 4.92 kWh/m² in October across the year — September's 4.85 kWh/m² sits near the top of that range.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in September

Hazard calendar for Kawalu

In seasonPeak

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

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

Kawalu's rainy season runs October–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 Kawalu?

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

4.8
Sightseeing
3rd-best month of the year
4.7
Beach & pool
4th-best month of the year

September is a reasonable time to visit Kawalu for sightseeing.

What to pack for Kawalu in September

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

In September, Kawalu sees daytime highs around 26°C and nights near 21°C. Pack rain gear. Worth having: light clothes and sun protection. About 21 days see rain.

rain gearlight clothessun protection

Sea temperature near Kawalu 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 April at about 29°C and coldest in September 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
May29Tropical
Jun28Tropical
Jul27Warm
Aug26Warm
Sep25Warm
Oct26Warm
Nov28Warm
Dec29Tropical

UV index in Kawalu 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 Kawalu peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 13 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 highExtremeExtremeFeb 16UV 15Jun 13UV 7
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May8Very high
Jun7Very high
Jul10Very high
Aug11Extreme
Sep13Extreme
Oct13Extreme
Nov10Very high
Dec12Extreme

Air quality in Kawalu 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 Kawalu is worst in May — around 35 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1335 µg/m³Dec 1125 µg/m³
PM2.5 (µg/m³)Level
Jan29Moderate
Feb30Moderate
Mar32Moderate
Apr34Moderate
May35Moderate
Jun33Moderate
Jul29Moderate
Aug26Moderate
Sep26Moderate
Oct27Moderate
Nov26Moderate
Dec25Moderate
Location & terrain

Where is Kawalu?

Kawalu sits at 7.4°S, 108.2°E, 325 m above sea level, in Indonesia. The nearest listed city is Tasikmalaya, 6.0 km away.

Topography around Kawalu

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

Within 3 km, the terrain around Kawalu has only modest variations in elevation — a maximum elevation change of 160 m around an average of 346 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 983 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,025 m.

The land around Kawalu is covered by trees (41%), cropland (29%) and artificial surfaces (29%) within 3 km, trees (67%) within 16 km, and trees (61%) and water (21%) within 80 km.

3 km
160 m
16 km
983 m
80 km
3,025 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Tasikmalaya 6.0 km · Singaparna 11 km · Ciamis 17 km · Rajapolah 18 km · Wanaraja 34 km · Garut 35 km · Kuningan 54 km · Paseh 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 Kawalu (-7.3817°, 108.2082°, elevation 325 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).