Kanowit weather in September

In September, Kanowit sees average daytime highs of 31°C and overnight lows near 23°C, with 240 mm of rain across 24.4 wet days and about 12 hours of daylight. It is the 6th-warmest and 6th-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 Kanowit's 6th-clearest and 7th-windiest month. For the whole year in context, see Kanowit's year-round climate.

Daytime high
31°
6th warmest
Overnight low
23°
3rd coldest
Rainfall
240 mm
24.4 wet days
Daylight
12 hours
6:25 AM – 6:26 PM
Cloud cover
84%
6th clearest
Wind
4 km/h
7th windiest
Solar energy
4.85 kWh/m²
Travel score
2.9
out of 10

Kanowit 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 Kanowit reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°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)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123

How September really feels in Kanowit

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.

Kanowit weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°29926.811.93.0
Feb30° / 23°24322.711.93.1
Mar31° / 23°23025.7122.8
Apr31° / 23°23326.8122.6
May31° / 24°20925.612.12.8
Jun31° / 23°17021.612.13.1
Jul31° / 23°16920.512.13.3
Aug31° / 23°19021.512.13.2
Sep31° / 23°24024.4122.9
Oct30° / 23°26227.8122.7
Nov30° / 23°27828.211.92.6
Dec30° / 23°29528.111.92.7

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 7% of September, with mostly cloudy or overcast conditions the remaining 91%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11189
21189
31189
41090
51090
61090
71090
81090
91090
101090
111090
12991
13991
14892
15892
16892
17892
18892
19892
20892
21892
22892
23892
24892
25793
26793
27793
28793
29793
30793

Chance of precipitation in September

Any precipitation

Kanowit gets around 240 mm of rain over 24.4 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 81% and peaks near 88% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
179
279
379
479
579
679
779
878
978
1078
1178
1278
1378
1479
1579
1680
1780
1881
1982
2082
2183
2284
2384
2485
2585
2686
2786
2887
2987
3088

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 66% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
16733
26733
36733
46832
56832
66832
76832
86733
96733
106733
116733
126634
136634
146634
156535
166535
176436
186436
196337
206337
216337
226337
236436
246436
256535
266634
276634
286733
296832
306931

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 6:30 AM to 6:21 AM, and sunset from 6:32 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:306:32
212.06:306:32
312.06:296:32
412.06:296:31
512.06:296:31
612.06:286:30
712.06:286:30
812.06:286:29
912.06:286:29
1012.06:276:29
1112.06:276:28
1212.06:276:28
1312.06:266:27
1412.06:266:27
1512.06:266:26
1612.06:256:26
1712.06:256:26
1812.06:256:25
1912.06:246:25
2012.06:246:24
2112.06:246:24
2212.06:246:23
2312.06:236:23
2412.06:236:23
2512.06:236:22
2612.06:226:22
2712.06:226:21
2812.06:226:21
2912.06:216:21
3012.06:216:20

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 3.94 kWh/m² to a high of 5 kWh/m² in August across the year — September's 4.85 kWh/m² sits near the top of that range.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in September

Hazard calendar for Kanowit

In seasonPeak

In September, Kanowit sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Kanowit sits in the Pacific typhoon belt; the season peaks July–October.

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

Is September a good time to visit Kanowit?

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

2.9
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 Kanowit.

What to pack for Kanowit in September

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

In September, Kanowit sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Kanowit 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 Kanowit peaks around March 15 at about 15 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 15UV 15Jul 14UV 11
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May14Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct14Extreme
Nov12Extreme
Dec11Extreme

Air quality in Kanowit 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 Kanowit is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1518 µg/m³Dec 148 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar11Good
Apr10Good
May10Good
Jun10Good
Jul12Good
Aug14Moderate
Sep19Moderate
Oct12Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Kanowit?

Kanowit sits at 2.1°N, 112.2°E, 16 m above sea level, in Malaysia. The nearest listed city is Sibu Jaya, 25 km away.

Topography around Kanowit

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

Within 3 km, the terrain around Kanowit has only modest variations in elevation — a maximum elevation change of 83 m around an average of 17 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 241 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,262 m.

The land around Kanowit is covered by trees (85%) within 3 km, trees (96%) within 16 km, and trees (97%) within 80 km.

3 km
83 m
16 km
241 m
80 km
1,262 m
treesgrasslandartificial surfaceswatermangroves
September weather nearby: Sibu Jaya 25 km · Julau 28 km · Sibu 43 km · Selangau 51 km · Pakan 57 km · Maradong 59 km · Dalat 63 km · Sarikei 70 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 Kanowit (2.1°, 112.15°, elevation 16 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). 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).