Sri Aman weather in September

In September, Sri Aman sees average daytime highs of 31°C and overnight lows near 24°C, with 230 mm of rain across 23.9 wet days and about 12 hours of daylight. It is the 6th-warmest and 8th-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 1% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Sri Aman's 6th-clearest and 6th-windiest month. For the whole year in context, see Sri Aman's year-round climate.

Daytime high
31°
6th warmest
Overnight low
24°
8th coldest
Rainfall
230 mm
23.9 wet days
Daylight
12 hours
6:28 AM – 6:29 PM
Cloud cover
85%
6th clearest
Wind
4 km/h
6th windiest
Solar energy
4.93 kWh/m²
Travel score
2.7
out of 10

Sri Aman is human settlement in Malaysia.

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 31°C through the month.

A typical September day in Sri Aman reaches about 31°C in the afternoon and slips back to 24°C overnight — a 8°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.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124

How September really feels in Sri Aman

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.

Sri Aman weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°29426.311.92.9
Feb30° / 23°24222.2123.0
Mar31° / 24°24725.7122.7
Apr32° / 24°24726.6122.4
May32° / 24°21125.112.12.6
Jun32° / 24°17119.912.13.0
Jul32° / 24°15418.712.13.2
Aug32° / 24°16719.7123.0
Sep31° / 24°23023.9122.7
Oct31° / 24°26627.1122.5
Nov31° / 24°28528.311.92.4
Dec31° / 24°31028.211.92.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 8% of September, with mostly cloudy or overcast conditions the remaining 90%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11189
21189
31189
41090
51090
61090
71090
81090
91090
101090
11991
12991
13991
14991
151090
161090
171090
181090
191090
201090
211090
22991
23991
24991
25991
26991
27892
28892
29892
30892

Chance of precipitation in September

Any precipitation

Sri Aman gets around 230 mm of rain over 23.9 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 79% and peaks near 84% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
177
277
378
478
578
678
777
877
977
1077
1176
1276
1376
1476
1576
1677
1777
1878
1978
2079
2180
2281
2381
2482
2582
2683
2783
2884
2984
3084

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 52% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
16139
26139
36040
46040
55941
65842
75842
85743
95743
105644
115644
125545
135446
145347
155248
165050
174951
184852
194753
204753
214753
224654
234654
244654
254654
264753
274753
284753
294852
304852

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 12 hours 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 0 minutes over September. Sunrise moves from 6:33 AM to 6:24 AM, and sunset from 6:35 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:336:35
212.06:336:34
312.06:336:34
412.06:326:33
512.06:326:33
612.06:326:33
712.06:316:32
812.06:316:32
912.06:316:32
1012.06:306:31
1112.06:306:31
1212.06:306:30
1312.06:296:30
1412.06:296:30
1512.06:296:29
1612.06:286:29
1712.06:286:28
1812.06:286:28
1912.06:276:27
2012.06:276:27
2112.06:276:27
2212.06:266:26
2312.06:266:26
2412.06:266:25
2512.06:256:25
2612.06:256:25
2712.06:256:24
2812.06:246:24
2912.06:246:24
3012.06:246:23

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.93 kWh/m².

For context, solar energy here swings from a low near 4.21 kWh/m² to a high of 5.09 kWh/m² in August across the year — September's 4.93 kWh/m² sits near the top of that range.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Sri Aman?

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

2.7
Sightseeing
6th-best month of the year
4.2
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Sri Aman.

What to pack for Sri Aman in September

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

In September, Sri Aman sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Sri Aman 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 Sri Aman peaks around February 20 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 20UV 16Jul 14UV 11
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar15Extreme
Apr15Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct14Extreme
Nov12Extreme
Dec12Extreme

Air quality in Sri Aman 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 Sri Aman is worst in September — around 27 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (January, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1326 µg/m³Jan 129 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar11Good
Apr11Good
May11Good
Jun11Good
Jul16Moderate
Aug23Moderate
Sep27Moderate
Oct16Moderate
Nov10Good
Dec9Good
Location & terrain

Where is Sri Aman?

Sri Aman sits at 1.2°N, 111.5°E, 11 m above sea level, in Malaysia. The nearest listed city is Betong, 18 km away.

Topography around Sri Aman

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

Within 3 km, the terrain around Sri Aman has only modest variations in elevation — a maximum elevation change of 44 m around an average of 9 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 285 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,255 m.

The land around Sri Aman is covered by trees (69%) within 3 km, trees (91%) within 16 km, and trees (93%) within 80 km.

3 km
44 m
16 km
285 m
80 km
1,255 m
treesgrasslandartificial surfaceswater
September weather nearby: Betong 18 km · Engkilili 27 km · Saratok 56 km · Pakan 75 km · Simunjan 80 km · Maradong 95 km · Sarikei 97 km · Serian 99 km

Malaysia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / G / M
230 V · 50 Hz
Prices
≈ 32% of US
price level, 2025
GDP per capita
$13,125
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
95%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
22.5
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 581
Religion
Muslim 64%Buddhist 19%Christian 9%Hindu 6%

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 Sri Aman (1.2472°, 111.4528°, elevation 11 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).