Ranau weather in September

In September, Ranau sees average daytime highs of 30°C and overnight lows near 19°C, with 118 mm of rain across 20.2 wet days and about 12 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 3% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 06 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Ranau's 8th-clearest and 10th-windiest month. For the whole year in context, see Ranau's year-round climate.

Daytime high
30°
4th warmest
Overnight low
19°
4th coldest
Rainfall
118 mm
20.2 wet days
Daylight
12 hours
6:07 AM – 6:09 PM
Cloud cover
84%
8th clearest
Wind
3 km/h
10th windiest
Solar energy
5.3 kWh/m²
Travel score
3.6
out of 10

Ranau 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 30°C through the month.

A typical September day in Ranau reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13019
23019
33019
43019
53019
63019
73019
83019
93019
103019
113019
123019
133019
143019
153019
163019
173019
183019
193019
203019
213019
223019
233019
243019
253019
263019
273019
283019
293019
303019

How September really feels in Ranau

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Ranau weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°17022.311.74.4
Feb28° / 19°11817.811.84.7
Mar29° / 19°10917.8124.3
Apr30° / 20°9817.112.13.9
May30° / 20°13522.212.33.4
Jun30° / 19°13020.512.33.6
Jul30° / 19°11118.812.33.9
Aug30° / 19°11519.112.23.8
Sep30° / 19°11820.2123.6
Oct29° / 19°17224.211.93.5
Nov29° / 19°16324.711.73.5
Dec28° / 19°17325.411.73.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% 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 90%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11288
21288
31288
41288
51189
61189
71189
81090
9991
10991
11991
12892
13892
14991
15991
16991
17991
18991
19991
201090
211090
221090
231090
241090
251189
261189
271189
281189
291189
301189

Chance of precipitation in September

Any precipitation

Ranau gets around 118 mm of rain over 20.2 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 68% and peaks near 72% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
167
267
367
467
568
668
768
868
968
1068
1168
1268
1367
1467
1567
1667
1766
1866
1966
2066
2167
2267
2367
2468
2569
2669
2770
2871
2971
3072

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 69% of days. Sticky, muggy-or-worse air turns up on roughly 73% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1126703
2126703
3127693
4127693
5127684
6127684
7127684
8127684
9127684
10127684
11127684
12227674
13227674
14227674
15227674
16227674
17227674
18227674
19227674
20226684
21126694
22125704
23125704
24124714
25123724
26122734
27121744
28021754
29020755
30019765

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 4 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
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 06 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over September. Sunrise moves from 6:10 AM to 6:04 AM, and sunset from 6:16 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:106:16
212.16:096:16
312.16:096:15
412.16:096:15
512.16:096:14
612.16:096:14
712.16:096:13
812.16:086:13
912.16:086:12
1012.16:086:12
1112.16:086:11
1212.16:086:11
1312.06:076:10
1412.06:076:10
1512.06:076:09
1612.06:076:09
1712.06:066:08
1812.06:066:08
1912.06:066:07
2012.06:066:06
2112.06:066:06
2212.06:056:05
2312.06:056:05
2412.06:056:04
2512.06:056:04
2612.06:056:03
2712.06:056:03
2812.06:046:02
2912.06:046:02
3012.06:046:01

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.3 kWh/m².

For context, solar energy here swings from a low near 4.21 kWh/m² to a high of 5.79 kWh/m² in April across the year — September's 5.3 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.1Bright
305.1Bright
Planning a trip in September

Hazard calendar for Ranau

In seasonPeak

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

Ranau 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 Ranau?

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

3.6
Sightseeing
8th-best month of the year
4.9
Beach & pool
7th-best month of the year

September is a weaker month for outdoor sightseeing in Ranau.

What to pack for Ranau in September

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

In September, Ranau sees daytime highs around 30°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Ranau in September

The nearest coast averages about 30°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 57 km away) is warmest in June at about 30°C and coldest in February near 27°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Ranau 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 Ranau peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Dec 13UV 11
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr15Extreme
May14Extreme
Jun13Extreme
Jul12Extreme
Aug14Extreme
Sep14Extreme
Oct13Extreme
Nov12Extreme
Dec11Extreme

Air quality in Ranau 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 Ranau is worst in September — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1216 µg/m³Feb 910 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar11Good
Apr12Moderate
May13Moderate
Jun14Moderate
Jul15Moderate
Aug15Moderate
Sep16Moderate
Oct14Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Ranau?

Ranau sits at 6.0°N, 116.7°E, 570 m above sea level, in Malaysia. The nearest listed city is Tambunan, 39 km away.

Topography around Ranau

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

Within 3 km, the terrain around Ranau has significant variations in elevation — a maximum elevation change of 494 m around an average of 615 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,761 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,023 m.

The land around Ranau is covered by trees (70%) within 3 km, trees (89%) within 16 km, and trees (86%) within 80 km.

3 km
494 m
16 km
3,761 m
80 km
4,023 m
treesgrasslandcroplandartificial surfaceswatermangroves
September weather nearby: Tambunan 39 km · Donggongon 62 km · Kota Kinabalu 65 km · Putatan 67 km · Petagas 68 km · Kinarut 70 km · Papar 84 km · Keningau 88 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 Ranau (5.9538°, 116.6641°, elevation 570 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).