Banjar weather in September

In September, Banjar sees average daytime highs of 25°C and overnight lows near 17°C, with 168 mm of rain across 17.7 wet days and about 12 hours of daylight. It is the 5th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 8% 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 Banjar's 4th-clearest and 4th-windiest month. For the whole year in context, see Banjar's year-round climate.

Daytime high
25°
5th warmest
Overnight low
17°
3rd coldest
Rainfall
168 mm
17.7 wet days
Daylight
12 hours
5:46 AM – 5:43 PM
Cloud cover
73%
4th clearest
Wind
4 km/h
4th windiest
Solar energy
5.81 kWh/m²
Travel score
5.4
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical September day in Banjar reaches about 25°C in the afternoon and slips back to 17°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 26°C. Set against its neighbours, September runs on par with August and on par with October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12517
22517
32517
42517
52517
62517
72517
82517
92517
102517
112517
122517
132517
142517
152517
162517
172517
182517
192517
202517
212517
222517
232517
242517
252517
262517
272517
282517
292517
302517

Banjar weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 18°4313012.43.6
Feb24° / 18°40527.512.23.5
Mar25° / 19°45630.1123.5
Apr25° / 19°3962811.83.7
May26° / 19°24423.411.74.6
Jun25° / 18°17517.811.65.4
Jul24° / 17°13216.811.65.8
Aug25° / 16°11014.311.86.1
Sep25° / 17°16817.7125.4
Oct25° / 18°34724.212.24.5
Nov25° / 18°48127.612.33.7
Dec24° / 19°47529.712.43.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12872
22971
32971
42971
53070
63070
73070
83070
93070
102971
112971
122971
132872
142872
152872
162773
172773
182773
192674
202476
212377
222377
232278
242278
252179
262179
272179
282179
291981
302080

Chance of precipitation in September

Any precipitation

Banjar gets around 168 mm of rain over 17.7 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 60% and peaks near 68% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
154
254
354
454
554
655
755
855
956
1056
1157
1258
1358
1459
1559
1659
1760
1860
1961
2061
2162
2262
2363
2464
2565
2665
2766
2867
2967
3068

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 18% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
10137413
20147313
30147313
40147313
50147313
60147313
70147313
80147313
90147214
100147214
110147214
120137314
130137215
140137215
150127216
160127216
170127117
180117118
190117019
200117019
210107020
220106921
230106822
240106723
25096724
26096625
27096526
28096427
29096328
30196129

Wind in September

Winds average 4 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

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 5:54 AM to 5:38 AM, and sunset from 5:46 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:545:46
211.95:545:46
311.95:535:46
411.95:535:45
511.95:525:45
611.95:515:45
711.95:515:45
811.95:505:45
911.95:505:45
1011.95:495:44
1111.95:495:44
1211.95:485:44
1311.95:475:44
1411.95:475:44
1512.05:465:44
1612.05:465:43
1712.05:455:43
1812.05:455:43
1912.05:445:43
2012.05:435:43
2112.05:435:43
2212.05:425:42
2312.05:425:42
2412.05:415:42
2512.05:415:42
2612.05:405:42
2712.05:405:42
2812.05:395:42
2912.05:385:41
3012.15:385:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.81 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.25 kWh/m² to a high of 5.81 kWh/m² in September across the year — September's 5.81 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.7Bright
295.7Bright
305.7Bright
Planning a trip in September

Hazard calendar for Banjar

In seasonPeak

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

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

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

Is September a good time to visit Banjar?

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

5.4
Sightseeing
3rd-best month of the year
4.8
Beach & pool
4th-best month of the year

September is a reasonable time to visit Banjar for sightseeing.

What to pack for Banjar in September

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

In September, Banjar sees daytime highs around 25°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 18 days see rain.

rain gearlight clothessun protection

Sea temperature near Banjar in September

The nearest coast averages about 26°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 48 km away) is warmest in April at about 29°C and coldest in September near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Tropical
Jul27Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov28Warm
Dec29Tropical

UV index in Banjar in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Banjar peaks around March 10 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 13 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeExtremeMar 10UV 17Jun 13UV 8
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar17Extreme
Apr13Extreme
May9Very high
Jun8Very high
Jul10Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov10Very high
Dec13Extreme

Air quality in Banjar 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 Banjar is worst in May — around 24 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1523 µg/m³Dec 1416 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb20Moderate
Mar20Moderate
Apr23Moderate
May24Moderate
Jun22Moderate
Jul20Moderate
Aug19Moderate
Sep19Moderate
Oct20Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Banjar?

Banjar sits at 7.2°S, 107.4°E, 1,874 m above sea level, in Indonesia. The nearest listed city is Leuwiliang, 12 km away.

Topography around Banjar

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

Within 3 km, the terrain around Banjar has large variations in elevation — a maximum elevation change of 733 m around an average of 1,853 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,981 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,993 m.

The land around Banjar is covered by trees (94%) within 3 km, trees (92%) within 16 km, and trees (67%) within 80 km.

3 km
733 m
16 km
1,981 m
80 km
2,993 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Leuwiliang 12 km · Soreang 20 km · Banjaran 24 km · Pameungpeuk 27 km · Margahayukencana 29 km · Bandung 36 km · Cimahi 38 km · Padalarang 40 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 Banjar (-7.1955°, 107.4313°, elevation 1,874 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).