Lahat weather in September

In September, Lahat sees average daytime highs of 32°C and overnight lows near 23°C, with 97 mm of rain across 12.3 wet days and about 12 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 14% 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 hours by month's end. Set against the rest of the year, September is Lahat's 4th-clearest and 2nd-windiest month. For the whole year in context, see Lahat's year-round climate.

Daytime high
32°
1st warmest
Overnight low
23°
10th coldest
Rainfall
97 mm
12.3 wet days
Daylight
12 hours
6:01 AM – 6:00 PM
Cloud cover
71%
4th clearest
Wind
5 km/h
2nd windiest
Solar energy
5.86 kWh/m²
Travel score
3.5
out of 10

Lahat is capital of Lahat Regency, South Sumatra Province, 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 32°C through the month.

A typical September day in Lahat reaches about 32°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13223
23223
33223
43223
53223
63223
73223
83223
93223
103223
113223
123223
133223
143223
153223
163223
173223
183223
193223
203223
213223
223223
233223
243223
253223
263223
273223
283223
293223
303223

How September really feels in Lahat

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.

Lahat weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°27428.712.22.9
Feb30° / 23°25425.812.12.9
Mar30° / 23°27728122.8
Apr30° / 23°26527.611.92.6
May31° / 23°15622.711.83.2
Jun31° / 22°9216.411.83.9
Jul31° / 22°9014.711.84.0
Aug32° / 23°7312.311.93.7
Sep32° / 23°9712.3123.5
Oct32° / 23°19519.512.13.0
Nov31° / 23°29126.412.22.7
Dec30° / 23°30127.812.22.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 70%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13565
23466
33466
43367
53367
63268
73169
83169
93169
103169
113169
123070
133070
143070
153070
163169
173070
183070
193070
202971
212971
222971
232872
242872
252872
262971
272872
282872
292773
302773

Chance of precipitation in September

Any precipitation

Lahat gets around 97 mm of rain over 12.3 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 42% and peaks near 49% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
146
246
345
444
544
643
742
842
941
1041
1140
1240
1340
1439
1539
1639
1738
1838
1939
2039
2140
2240
2341
2442
2543
2644
2745
2846
2947
3049

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 49% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1093556
2093556
30103456
41103455
51113454
61123453
71123453
81133452
92133550
102143550
112143549
122153548
132153648
142153647
152153647
162153746
172153746
182153846
192153846
201153845
211153846
221153846
231153846
241153747
251153647
261153548
271153449
281163350
292163151
302163052

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over September. Sunrise moves from 6:08 AM to 5:54 AM, and sunset from 6:03 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:086:03
211.96:076:03
311.96:076:03
411.96:066:03
511.96:066:02
611.96:056:02
711.96:056:02
812.06:056:02
912.06:046:01
1012.06:046:01
1112.06:036:01
1212.06:036:01
1312.06:026:00
1412.06:026:00
1512.06:016:00
1612.06:016:00
1712.06:005:59
1812.06:005:59
1912.05:595:59
2012.05:595:58
2112.05:585:58
2212.05:585:58
2312.05:575:58
2412.05:575:57
2512.05:575:57
2612.05:565:57
2712.05:565:57
2812.05:555:56
2912.05:555:56
3012.05:545:56

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.86 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.47 kWh/m² to a high of 5.86 kWh/m² in September across the year — September's 5.86 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.9Bright
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
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Is September a good time to visit Lahat?

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

3.5
Sightseeing
4th-best month of the year
5.7
Beach & pool
3rd-best month of the year

September is a weaker month for outdoor sightseeing in Lahat.

What to pack for Lahat in September

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

In September, Lahat sees daytime highs around 32°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Lahat in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lahat peaks around February 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 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 highExtremeFeb 19UV 15Jul 14UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul9Very high
Aug12Extreme
Sep12Extreme
Oct14Extreme
Nov10Extreme
Dec12Extreme

Air quality in Lahat 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 Lahat is worst in October — around 44 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (December, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateOct 1143 µg/m³Dec 2320 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb23Moderate
Mar25Moderate
Apr23Moderate
May24Moderate
Jun25Moderate
Jul27Moderate
Aug31Moderate
Sep41Poor
Oct44Poor
Nov28Moderate
Dec20Moderate
Location & terrain

Where is Lahat?

Lahat sits at 3.8°S, 103.5°E, 115 m above sea level, in Indonesia. The nearest listed city is Tanjungagung, 34 km away.

Topography around Lahat

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

Within 3 km, the terrain around Lahat has only modest variations in elevation — a maximum elevation change of 110 m around an average of 122 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 802 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,183 m.

The land around Lahat is covered by trees (64%) and artificial surfaces (26%) within 3 km, trees (93%) within 16 km, and trees (97%) within 80 km.

3 km
110 m
16 km
802 m
80 km
3,183 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Tanjungagung 34 km · Pagar Alam 42 km · Baturaja 79 km · Prabumulih 86 km · Lubuklinggau 93 km · Curup 119 km · Indralaya 139 km · Bengkulu 142 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 Lahat (-3.7851°, 103.5428°, elevation 115 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. 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).