Santa Cruz weather in September

In September, Santa Cruz sees average daytime highs of 28°C and overnight lows near 24°C, with 408 mm of rain across 28.5 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 2% of the time in September, and the air most often feels oppressive.

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 Santa Cruz's 10th-clearest and 3rd-windiest month. For the whole year in context, see Santa Cruz's year-round climate.

Daytime high
28°
10th warmest
Overnight low
24°
8th coldest
Rainfall
408 mm
28.5 wet days
Daylight
12 h 06 min
5:52 AM – 5:57 PM
Cloud cover
88%
10th clearest
Wind
8 km/h
3rd windiest
Solar energy
4.58 kWh/m²
Travel score
3.1
out of 10

Santa Cruz is municipality of the Philippines in the province of Zambales.

Density
152/km²
people per km²
Founded
1612

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 28°C through the month.

A typical September day in Santa Cruz reaches about 28°C in the afternoon and slips back to 24°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, September runs on par with August and on par with October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12824
22824
32824
42824
52824
62824
72824
82824
92824
102824
112824
122824
132824
142824
152824
162824
172824
182824
192824
202824
212824
222824
232824
242824
252824
262824
272824
282824
292924
302924

How September really feels in Santa Cruz

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.

Santa Cruz weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 22°184.511.26.7
Feb29° / 22°244.411.56.4
Mar30° / 23°447.911.95.5
Apr31° / 24°8414.612.34.3
May30° / 25°2622512.73.2
Jun29° / 24°37728.212.92.9
Jul28° / 24°55930.112.83.0
Aug28° / 24°52529.512.53.3
Sep28° / 24°40828.512.13.1
Oct29° / 24°26321.911.64.0
Nov29° / 23°9711.711.35.2
Dec29° / 23°547.811.16.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 6% of September, with mostly cloudy or overcast conditions the remaining 91%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1595
2595
3694
4694
5694
6694
7694
8793
9793
10793
11793
12793
13892
14892
15892
16892
17991
18991
19991
20991
21991
221090
231090
241090
251189
261288
271288
281387
291585
301585

Chance of precipitation in September

Any precipitation

Santa Cruz gets around 408 mm of rain over 28.5 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 95% and peaks near 96% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
195
295
395
495
595
695
795
896
996
1096
1196
1296
1396
1496
1596
1696
1796
1896
1996
2095
2195
2295
2394
2494
2593
2693
2792
2891
2990
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 85% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
18218
28218
38317
48317
58317
68416
78416
88416
98416
108515
118515
128515
138515
148614
158614
168614
178614
188614
198614
208614
218515
228515
238515
248515
258614
268614
278614
288614
298713
308713

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 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
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 5:51 AM to 5:53 AM, and sunset from 6:09 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:516:09
212.35:516:09
312.35:516:08
412.35:516:07
512.35:516:06
612.25:516:05
712.25:516:05
812.25:516:04
912.25:516:03
1012.25:526:02
1112.25:526:01
1212.15:526:01
1312.15:526:00
1412.15:525:59
1512.15:525:58
1612.15:525:57
1712.15:525:56
1812.15:525:56
1912.05:525:55
2012.05:525:54
2112.05:525:53
2212.05:535:52
2312.05:535:52
2412.05:535:51
2512.05:535:50
2611.95:535:49
2711.95:535:48
2811.95:535:48
2911.95:535:47
3011.95:535:46

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.58 kWh/m².

For context, solar energy here swings from a low near 4.42 kWh/m² to a high of 6.58 kWh/m² in April across the year — September's 4.58 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in September

Hazard calendar for Santa Cruz

In seasonPeak

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

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

Santa Cruz's monsoon runs May–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 Santa Cruz?

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

3.1
Sightseeing
10th-best month of the year
3.7
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Santa Cruz.

What to pack for Santa Cruz in September

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

In September, Santa Cruz sees daytime highs around 28°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

Sea temperature near Santa Cruz 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 13 km away) is warmest in May 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
Mar28Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Santa Cruz 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 Santa Cruz peaks around August 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 16UV 14Dec 14UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Santa Cruz 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 Santa Cruz is worst in November — around 38 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorNov 2138 µg/m³Aug 1326 µg/m³
PM2.5 (µg/m³)Level
Jan34Moderate
Feb31Moderate
Mar33Moderate
Apr30Moderate
May26Moderate
Jun28Moderate
Jul26Moderate
Aug26Moderate
Sep27Moderate
Oct32Moderate
Nov38Poor
Dec37Poor
Location & terrain

Where is Santa Cruz?

Santa Cruz sits at 15.8°N, 119.9°E, 9 m above sea level, in Philippines. The nearest listed city is Masinloc, 26 km away.

Topography around Santa Cruz

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

Within 3 km, the terrain around Santa Cruz has only modest variations in elevation — a maximum elevation change of 30 m around an average of 3 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 795 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,022 m.

The land around Santa Cruz is covered by water (35%), cropland (28%) and trees (27%) within 3 km, water (48%) and trees (36%) within 16 km, and water (48%) and trees (31%) within 80 km.

3 km
30 m
16 km
795 m
80 km
2,022 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Masinloc 26 km · Agoo 41 km · Domalanoan 42 km · Lingayen 45 km · Binmaley 49 km · Iba 49 km · Botolan 54 km · Camiling 55 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 Santa Cruz (15.7654°, 119.9092°, elevation 9 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).