Kapit weather in September

In September, Kapit sees average daytime highs of 31°C and overnight lows near 23°C, with 262 mm of rain across 25.1 wet days and about 12 hours of daylight. It is the 3rd-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 Kapit's 5th-clearest and 5th-windiest month. For the whole year in context, see Kapit's year-round climate.

Daytime high
31°
3rd warmest
Overnight low
23°
4th coldest
Rainfall
262 mm
25.1 wet days
Daylight
12 hours
6:22 AM – 6:23 PM
Cloud cover
84%
5th clearest
Wind
3 km/h
5th windiest
Solar energy
5.12 kWh/m²
Travel score
2.8
out of 10

Kapit is town 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 Kapit 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 Kapit

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.

Kapit weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°32627.411.92.8
Feb31° / 23°30624.111.92.8
Mar31° / 23°31127.2122.6
Apr31° / 23°29027.9122.5
May31° / 23°23927.212.12.6
Jun31° / 23°2052312.13.0
Jul31° / 23°19021.812.13.2
Aug31° / 23°22523.812.13.0
Sep31° / 23°26225.1122.8
Oct31° / 23°31229122.5
Nov31° / 23°33629.111.92.4
Dec30° / 23°33528.611.92.6

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 7% of September, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11090
21090
31090
4991
5991
6991
7991
8991
9991
10892
11892
12892
13892
14892
15892
16892
17892
18892
19892
20991
21991
22991
23991
24991
25892
26892
27892
28892
29793
30793

Chance of precipitation in September

Any precipitation

Kapit gets around 262 mm of rain over 25.1 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 84% and peaks near 89% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
184
284
384
484
584
683
783
883
982
1082
1182
1282
1382
1482
1582
1682
1782
1883
1983
2083
2184
2284
2385
2485
2586
2687
2787
2888
2989
3089

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 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1955
2946
3946
4946
5946
6946
7946
8946
9946
10946
11946
12946
13946
14946
15946
16946
17946
18946
19955
20955
21955
22955
23955
24955
25964
26964
27964
28964
29964
30964

Wind in September

Winds average 3 km/h in September.

Across September, daily wind ranges from about 3 km/h on the calmest days to 3 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm

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 6:27 AM to 6:18 AM, and sunset from 6:29 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:276:29
212.06:276:29
312.06:266:28
412.06:266:28
512.06:266:28
612.06:256:27
712.06:256:27
812.06:256:26
912.06:246:26
1012.06:246:25
1112.06:246:25
1212.06:246:25
1312.06:236:24
1412.06:236:24
1512.06:236:23
1612.06:226:23
1712.06:226:22
1812.06:226:22
1912.06:216:22
2012.06:216:21
2112.06:216:21
2212.06:206:20
2312.06:206:20
2412.06:206:20
2512.06:196:19
2612.06:196:19
2712.06:196:18
2812.06:196:18
2912.06:186:18
3012.06:186:17

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.12 kWh/m².

For context, solar energy here swings from a low near 4.19 kWh/m² to a high of 5.16 kWh/m² in August across the year — September's 5.12 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.2Bright
185.2Bright
195.2Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in September

Is September a good time to visit Kapit?

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

2.8
Sightseeing
4th-best month of the year
4.0
Beach & pool
4th-best month of the year

September is a weaker month for outdoor sightseeing in Kapit.

What to pack for Kapit in September

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

In September, Kapit sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Kapit 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 Kapit peaks around March 15 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 15UV 16Jul 14UV 11
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May14Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct14Extreme
Nov12Extreme
Dec12Extreme

Air quality in Kapit 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 Kapit is worst in September — around 16 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1516 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar9Good
Apr9Good
May8Good
Jun9Good
Jul10Good
Aug12Good
Sep16Moderate
Oct11Good
Nov7Good
Dec7Good
Location & terrain

Where is Kapit?

Kapit sits at 2.0°N, 112.9°E, 43 m above sea level, in Malaysia. The nearest listed city is Kanowit, 88 km away.

BelagaSibu

Topography around Kapit

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

Within 3 km, the terrain around Kapit has significant variations in elevation — a maximum elevation change of 283 m around an average of 71 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 917 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,725 m.

The land around Kapit is covered by trees (86%) within 3 km, trees (98%) within 16 km, and trees (100%) within 80 km.

3 km
283 m
16 km
917 m
80 km
1,725 m
treesgrasslandartificial surfacesbare terrainwater
September weather nearby: Kanowit 88 km · Selangau 90 km · Tatau 99 km · Sibu Jaya 110 km · Julau 113 km · Dalat 120 km · Belaga 123 km · Sibu 129 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 Kapit (1.9955°, 112.9325°, elevation 43 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).