Caloocan weather in September

In September, Caloocan sees average daytime highs of 30°C and overnight lows near 25°C, with 400 mm of rain across 28.4 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 3rd-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 18 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Caloocan's 10th-clearest and 9th-windiest month. For the whole year in context, see Caloocan's year-round climate.

Daytime high
30°
8th warmest
Overnight low
25°
5th coldest
Rainfall
400 mm
28.4 wet days
Daylight
12 h 06 min
5:48 AM – 5:53 PM
Cloud cover
87%
10th clearest
Wind
8 km/h
9th windiest
Solar energy
4.44 kWh/m²
Travel score
2.7
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 Caloocan reaches about 30°C in the afternoon and slips back to 25°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 32°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)
13025
23025
33025
43025
53025
63025
73025
83025
93025
103025
113025
123025
133025
143025
153025
163025
173025
183025
193025
203025
213025
223025
233025
243025
253025
263025
273025
283025
293025
303025

How September really feels in Caloocan

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.

Caloocan weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°28311.26.5
Feb30° / 24°232.911.56.1
Mar31° / 25°293.911.95.3
Apr33° / 26°366.612.34.1
May32° / 26°19819.812.72.9
Jun31° / 26°28926.112.92.6
Jul30° / 25°46529.212.82.7
Aug30° / 25°44429.512.52.7
Sep30° / 25°40028.412.12.7
Oct30° / 25°23519.911.73.6
Nov30° / 25°909.311.34.9
Dec29° / 25°937.211.15.7

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
6991
7793
8793
9793
10793
11793
12892
13892
14892
15793
16793
17892
18991
19991
20991
211090
221189
231288
241288
251387
261486
271486
281585
291684
301783

Chance of precipitation in September

Any precipitation

Caloocan gets around 400 mm of rain over 28.4 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 94% and peaks near 97% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
193
293
393
493
594
694
794
895
995
1095
1196
1296
1396
1496
1597
1697
1797
1896
1996
2096
2196
2295
2395
2494
2593
2692
2792
2891
2990
3089

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1496
2496
3496
4496
5496
6496
7496
8397
9397
10397
11397
12298
13298
14298
15298
16298
17298
18298
19397
20397
21397
22397
23397
24496
25496
26496
27595
28595
29694
30694

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 18 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 24 minutes over September. Sunrise moves from 5:47 AM to 5:49 AM, and sunset from 6:04 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:476:04
212.35:476:04
312.35:476:03
412.25:476:02
512.25:476:01
612.25:486:01
712.25:486:00
812.25:485:59
912.25:485:58
1012.25:485:58
1112.25:485:57
1212.15:485:56
1312.15:485:55
1412.15:485:54
1512.15:485:54
1612.15:485:53
1712.15:485:52
1812.15:485:51
1912.05:485:50
2012.05:485:50
2112.05:485:49
2212.05:485:48
2312.05:485:47
2412.05:485:47
2512.05:495:46
2611.95:495:45
2711.95:495:44
2811.95:495:43
2911.95:495:43
3011.95:495:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.44 kWh/m².

For context, solar energy here swings from a low near 3.86 kWh/m² to a high of 6.22 kWh/m² in April across the year — September's 4.44 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.5Bright
304.5Bright
Planning a trip in September

Hazard calendar for Caloocan

In seasonPeak

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

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

Caloocan's monsoon runs June–October, when most of the year's rain falls.

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

Is September a good time to visit Caloocan?

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

2.7
Sightseeing
9th-best month of the year
3.7
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Caloocan.

What to pack for Caloocan in September

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

In September, Caloocan sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

Sea temperature near Caloocan 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 offshore is warmest in May at about 30°C and coldest in January 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
Mar28Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec28Warm

UV index in Caloocan 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 Caloocan peaks around August 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 18UV 13Nov 21UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec9Very high

Air quality in Caloocan 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 Caloocan is worst in October — around 49 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateOct 1049 µg/m³Feb 1132 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb32Moderate
Mar36Poor
Apr39Poor
May42Poor
Jun46Poor
Jul42Poor
Aug41Poor
Sep49Poor
Oct49Poor
Nov39Poor
Dec33Moderate
Location & terrain

Where is Caloocan?

Caloocan sits at 14.6°N, 121.0°E, 6 m above sea level, in Philippines. The nearest listed city is Navotas, 3.0 km away.

Topography around Caloocan

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

Within 3 km, the terrain around Caloocan has only modest variations in elevation — a maximum elevation change of 36 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 124 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,507 m.

The land around Caloocan is covered by artificial surfaces (79%) within 3 km, water (45%) and artificial surfaces (44%) within 16 km, and trees (49%) and water (28%) within 80 km.

3 km
36 m
16 km
124 m
80 km
1,507 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Navotas 3.0 km · Bagong Barrio 3.0 km · Malabon 4.0 km · Tanza 4.0 km · Binondo 5.0 km · Manila 5.0 km · Valenzuela 6.0 km · Santa Cruz 6.0 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 Caloocan (14.6495°, 120.9679°, elevation 6 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).