Cotabato weather in September

In September, Cotabato sees average daytime highs of 30°C and overnight lows near 24°C, with 227 mm of rain across 25.6 wet days and about 12 hours of daylight. It is the 10th-warmest and 6th-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 miserable.

Daylight stretches from about 12 h 06 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Cotabato's 9th-clearest and 1st-windiest month. For the whole year in context, see Cotabato's year-round climate.

Daytime high
30°
10th warmest
Overnight low
24°
7th coldest
Rainfall
227 mm
25.6 wet days
Daylight
12 hours
5:36 AM – 5:39 PM
Cloud cover
85%
9th clearest
Wind
6 km/h
1st windiest
Solar energy
5.23 kWh/m²
Travel score
3.0
out of 10

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 Cotabato reaches about 30°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°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)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024

How September really feels in Cotabato

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.

Cotabato weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°16919.511.63.7
Feb31° / 24°14316.611.83.6
Mar31° / 24°15919.7123.3
Apr32° / 25°17323.312.22.8
May31° / 25°29228.612.32.6
Jun30° / 25°31727.812.42.7
Jul30° / 24°29227.512.43.0
Aug30° / 24°24925.912.23.1
Sep30° / 24°22725.6123.0
Oct30° / 24°27727.811.82.9
Nov30° / 24°22425.811.72.9
Dec30° / 24°18422.911.63.2

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 (%)
11090
21090
31090
41090
51090
61090
71090
81090
91090
101090
111090
121090
131090
141090
151090
161090
171189
181189
191189
201189
211189
221189
231189
241189
251189
261189
271189
281189
291090
301090

Chance of precipitation in September

Any precipitation

Cotabato gets around 227 mm of rain over 25.6 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 86% and peaks near 87% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
184
284
384
485
585
685
785
885
985
1085
1185
1286
1386
1486
1586
1686
1786
1886
1986
2086
2186
2286
2385
2486
2586
2686
2786
2886
2987
3087

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the miserable band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
14357
24456
34555
44555
54654
64753
74852
84852
94951
104951
114951
125050
134951
144951
154852
164852
174753
184654
194555
204456
214357
224258
234159
244159
254060
263961
273961
283862
293862
303763

Wind in September

Winds average 6 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 6 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
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 06 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over September. Sunrise moves from 5:39 AM to 5:34 AM, and sunset from 5:47 PM to 5:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:395:47
212.15:385:46
312.15:385:46
412.15:385:45
512.15:385:45
612.15:385:44
712.15:385:44
812.15:375:43
912.15:375:43
1012.15:375:42
1112.15:375:41
1212.15:375:41
1312.15:375:40
1412.15:365:40
1512.05:365:39
1612.05:365:39
1712.05:365:38
1812.05:365:37
1912.05:365:37
2012.05:355:36
2112.05:355:36
2212.05:355:35
2312.05:355:35
2412.05:355:34
2512.05:355:33
2612.05:355:33
2712.05:345:32
2812.05:345:32
2912.05:345:31
3011.95:345:31

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.23 kWh/m².

For context, solar energy here swings from a low near 4.88 kWh/m² to a high of 6.12 kWh/m² in April across the year — September's 5.23 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in September

Hazard calendar for Cotabato

In seasonPeak

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

Cotabato 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 Cotabato?

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

3.0
Sightseeing
6th-best month of the year
4.1
Beach & pool
7th-best month of the year

September is a weaker month for outdoor sightseeing in Cotabato.

What to pack for Cotabato in September

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

In September, Cotabato sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Cotabato in September

The nearest coast averages about 29°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 17 km away) is warmest in May at about 30°C and coldest in February near 29°C.

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

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Cotabato 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 Cotabato peaks around March 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 19UV 15Dec 12UV 10
UV index (midday)Level
Jan12Extreme
Feb13Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec10Very high

Air quality in Cotabato 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 Cotabato is worst in March — around 23 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1922 µg/m³Jun 2315 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb20Moderate
Mar23Moderate
Apr21Moderate
May17Moderate
Jun15Moderate
Jul15Moderate
Aug15Moderate
Sep18Moderate
Oct18Moderate
Nov18Moderate
Dec18Moderate
Location & terrain

Where is Cotabato?

Cotabato sits at 7.2°N, 124.2°E, 7 m above sea level, in Philippines. The nearest listed city is Sultan Kudarat, 1.0 km away.

Topography around Cotabato

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

Within 3 km, the terrain around Cotabato has only modest variations in elevation — a maximum elevation change of 55 m around an average of 6 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 704 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,778 m.

The land around Cotabato is covered by trees (51%) and artificial surfaces (26%) within 3 km, trees (44%) and water (26%) within 16 km, and trees (49%) and water (31%) within 80 km.

3 km
55 m
16 km
704 m
80 km
2,778 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Sultan Kudarat 1.0 km · Dinaig 7.0 km · Parang 17 km · Pagaluñgan 17 km · Budta 21 km · Malingao 26 km · Midsayap 32 km · Maganoy 45 km

Philippines travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
230 V · 60 Hz
Prices
≈ 33% of US
price level, 2025
GDP per capita
$4,171
2025
Happiness
6.2 / 10
World Happiness, 2025
Safe drinking water
48%
of population, 2024
Homicide rate
4.3
per 100k, 2023
Road deaths
12
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 569
Religion
Roman Catholic 79%other 8%Muslim 6%other Christian 4%

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 Cotabato (7.2236°, 124.2464°, elevation 7 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).