Mariveles weather in September

In September, Mariveles sees average daytime highs of 28°C and overnight lows near 26°C, with 413 mm of rain across 26.4 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 28°C through the month. The sky is clear or mostly clear about 6% 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 Mariveles's 10th-clearest and 8th-windiest month. For the whole year in context, see Mariveles's year-round climate.

Daytime high
28°
8th warmest
Overnight low
26°
7th coldest
Rainfall
413 mm
26.4 wet days
Daylight
12 h 06 min
5:50 AM – 5:55 PM
Cloud cover
85%
10th clearest
Wind
15 km/h
8th windiest
Solar energy
4.58 kWh/m²
Travel score
3.7
out of 10

Mariveles is municipality of the Philippines in the province of Bataan.

Density
1,015/km²
people per km²
Founded
1754

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 Mariveles reaches about 28°C in the afternoon and slips back to 26°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, September runs on par with August and on par with October.

24°26°28°30°32°151015202530
Avg high (°C)Avg low (°C)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142826
152826
162826
172826
182826
192826
202826
212826
222826
232826
242826
252826
262826
272826
282826
292826
302826

How September really feels in Mariveles

Once humidity and wind are folded in, September averages 10 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
10
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.

Mariveles 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
Jan27° / 24°172.111.27.7
Feb28° / 24°152.211.57.7
Mar29° / 25°182.911.96.9
Apr30° / 26°194.212.36.0
May30° / 27°16916.712.74.3
Jun29° / 26°33024.812.83.5
Jul28° / 26°53628.312.83.4
Aug28° / 26°50128.212.53.5
Sep28° / 26°41326.412.13.7
Oct28° / 26°20417.811.74.6
Nov28° / 26°767.611.36.0
Dec28° / 25°806.511.26.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 8% of September, with mostly cloudy or overcast conditions the remaining 86%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11387
21387
31387
41387
51387
61387
71387
81387
91288
101288
111189
121189
131288
141189
151189
161189
171189
181189
191288
201288
211288
221486
231585
241684
251684
261783
271882
281882
292179
302179

Chance of precipitation in September

Any precipitation

Mariveles gets around 413 mm of rain over 26.4 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 88% and peaks near 90% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
188
288
388
489
589
689
789
890
990
1090
1190
1290
1390
1490
1590
1690
1790
1889
1989
2088
2187
2287
2386
2486
2585
2684
2783
2882
2981
3080

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
13466
23565
33565
43664
53664
63664
73664
83664
93664
103664
113664
123664
133664
143664
153664
163664
173664
183664
193664
203763
213763
223763
233862
243961
254060
264159
274357
284456
294654
304852

Wind in September

Winds average 15 km/h in September.

Across September, daily wind ranges from about 14 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
117light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

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 5:49 AM to 5:51 AM, and sunset from 6:06 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:496:06
212.35:496:06
312.35:496:05
412.25:496:04
512.25:506:03
612.25:506:03
712.25:506:02
812.25:506:01
912.25:506:00
1012.25:505:59
1112.15:505:59
1212.15:505:58
1312.15:505:57
1412.15:505:56
1512.15:505:56
1612.15:505:55
1712.15:505:54
1812.15:505:53
1912.05:505:52
2012.05:505:52
2112.05:505:51
2212.05:505:50
2312.05:505:49
2412.05:505:49
2512.05:505:48
2611.95:505:47
2711.95:515:46
2811.95:515:45
2911.95:515:45
3011.95:515:44

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 4.27 kWh/m² to a high of 6.65 kWh/m² in April across the year — September's 4.58 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in September

Hazard calendar for Mariveles

In seasonPeak

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

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

Mariveles's monsoon runs June–September, 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 Mariveles?

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

3.7
Sightseeing
9th-best month of the year
4.0
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Mariveles.

What to pack for Mariveles in September

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

In September, Mariveles sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Mariveles 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 14 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
Mar28Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Mariveles 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 Mariveles peaks around August 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 9 (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 14Nov 23UV 9
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar12Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Mariveles 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 Mariveles is worst in September — around 44 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (February, 23 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateSep 2244 µg/m³Feb 1323 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb23Moderate
Mar26Moderate
Apr27Moderate
May32Moderate
Jun43Poor
Jul38Poor
Aug35Moderate
Sep44Poor
Oct43Poor
Nov30Moderate
Dec26Moderate
Location & terrain

Where is Mariveles?

Mariveles sits at 14.4°N, 120.5°E, 9 m above sea level, in Philippines. The nearest listed city is Limay, 19 km away.

Topography around Mariveles

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

Within 3 km, the terrain around Mariveles has significant variations in elevation — a maximum elevation change of 273 m around an average of 46 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,402 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,557 m.

The land around Mariveles is covered by trees (49%) and water (34%) within 3 km, water (58%) and trees (35%) within 16 km, and water (56%) and trees (25%) within 80 km.

3 km
273 m
16 km
1,402 m
80 km
1,557 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Limay 19 km · Orion 23 km · Pilar 27 km · Balanga 27 km · Ternate 30 km · Maragondon 32 km · Naic 33 km · Abucay 34 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 Mariveles (14.4338°, 120.4857°, 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).