Bongabon weather in September

In September, Bongabon sees average daytime highs of 29°C and overnight lows near 22°C, with 340 mm of rain across 27.9 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 3% 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 Bongabon's 11th-clearest and 12th-windiest month. For the whole year in context, see Bongabon's year-round climate.

Daytime high
29°
5th warmest
Overnight low
22°
9th coldest
Rainfall
340 mm
27.9 wet days
Daylight
12 h 06 min
5:47 AM – 5:52 PM
Cloud cover
88%
11th clearest
Wind
5 km/h
12th windiest
Solar energy
4.79 kWh/m²
Travel score
3.0
out of 10

Bongabon is municipality of the Philippines in the province of Nueva Ecija.

Density
242/km²
people per km²
Founded
1760

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 29°C through the month.

A typical September day in Bongabon reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°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)
12922
22922
32922
42922
52922
62922
72922
82922
92922
102922
112922
122922
132922
142922
152922
162922
172922
182922
192922
202922
212922
222922
232922
242922
252922
262922
272922
282922
292922
302922

How September really feels in Bongabon

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.

Bongabon weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 20°43611.27.1
Feb27° / 20°445.811.57.1
Mar28° / 21°468.411.96.3
Apr30° / 22°5510.912.35.0
May31° / 23°19020.212.73.5
Jun30° / 23°23524.912.93.1
Jul29° / 23°37829.512.82.9
Aug29° / 22°38129.512.53.0
Sep29° / 22°34027.912.13.0
Oct29° / 22°26421.611.64.0
Nov28° / 21°12914.111.35.6
Dec27° / 21°12410.411.16.4

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 6% of September, with mostly cloudy or overcast conditions the remaining 91%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1793
2694
3694
4694
5694
6694
7694
8694
9793
10793
11793
12793
13793
14892
15892
16892
17892
18991
19991
20991
211090
221090
231189
241288
251288
261288
271387
281486
291585
301585

Chance of precipitation in September

Any precipitation

Bongabon gets around 340 mm of rain over 27.9 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 92% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
193
293
393
493
593
693
793
893
994
1094
1194
1294
1393
1493
1593
1693
1793
1893
1993
2093
2192
2292
2392
2491
2591
2690
2789
2889
2988
3087

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 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
10982
20982
30982
40982
50982
60982
70982
80982
90982
100982
110982
120982
130982
140982
150982
160991
170991
180991
190991
200982
210982
220982
230982
240982
250982
260982
271972
281981
291981
301981

Wind in September

Winds average 5 km/h in September, the calmest month.

Across September, daily wind ranges from about 5 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
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 5:46 AM to 5:48 AM, and sunset from 6:04 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:466:04
212.35:466:04
312.35:466:03
412.35:466:02
512.25:466:01
612.25:466:00
712.25:466:00
812.25:475:59
912.25:475:58
1012.25:475:57
1112.25:475:56
1212.15:475:56
1312.15:475:55
1412.15:475:54
1512.15:475:53
1612.15:475:52
1712.15:475:52
1812.15:475:51
1912.05:475:50
2012.05:475:49
2112.05:485:48
2212.05:485:47
2312.05:485:47
2412.05:485:46
2512.05:485:45
2611.95:485:44
2711.95:485:43
2811.95:485:43
2911.95:485:42
3011.95:485:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.79 kWh/m².

For context, solar energy here swings from a low near 3.86 kWh/m² to a high of 6.21 kWh/m² in April across the year — September's 4.79 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in September

Hazard calendar for Bongabon

In seasonPeak

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

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

Bongabon'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 Bongabon?

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

3.0
Sightseeing
10th-best month of the year
3.9
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Bongabon.

What to pack for Bongabon in September

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

In September, Bongabon sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Bongabon 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 51 km away) is warmest in June at about 30°C and coldest in January near 26°C.

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

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar27Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Bongabon 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 Bongabon peaks around August 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 15UV 14Nov 23UV 8
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec9Very high

Air quality in Bongabon 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 Bongabon is worst in August — around 22 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (February, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1922 µg/m³Feb 1710 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb10Good
Mar11Good
Apr11Good
May14Moderate
Jun17Moderate
Jul18Moderate
Aug22Moderate
Sep20Moderate
Oct15Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Bongabon?

Bongabon sits at 15.6°N, 121.1°E, 74 m above sea level, in Philippines. The nearest listed city is Laur, 7.0 km away.

Topography around Bongabon

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

Within 3 km, the terrain around Bongabon has only modest variations in elevation — a maximum elevation change of 34 m around an average of 67 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,328 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,921 m.

The land around Bongabon is covered by cropland (81%) within 3 km, cropland (47%) and trees (39%) within 16 km, and trees (45%) and cropland (28%) within 80 km.

3 km
34 m
16 km
1,328 m
80 km
1,921 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Laur 7.0 km · Rizal 10 km · General Mamerto Natividad 11 km · Palayan City 12 km · Talavera 25 km · Cabanatuan City 25 km · Muñoz 28 km · General Tinio 33 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 Bongabon (15.6321°, 121.1448°, elevation 74 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).