Gumaca weather in September

In September, Gumaca sees average daytime highs of 29°C and overnight lows near 27°C, with 243 mm of rain across 24.1 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 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 Gumaca's 10th-clearest and 9th-windiest month. For the whole year in context, see Gumaca's year-round climate.

Daytime high
29°
5th warmest
Overnight low
27°
8th coldest
Rainfall
243 mm
24.1 wet days
Daylight
12 h 06 min
5:44 AM – 5:48 PM
Cloud cover
86%
10th clearest
Wind
13 km/h
9th windiest
Solar energy
4.97 kWh/m²
Travel score
3.3
out of 10

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 Gumaca reaches about 29°C in the afternoon and slips back to 27°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, September runs on par with August and on par with October.

25°28°30°33°35°151015202530
Avg high (°C)Avg low (°C)
13027
23027
33027
43027
53027
63027
73027
83027
92927
102927
112927
122927
132927
142927
152927
162927
172926
182926
192926
202926
212926
222926
232926
242926
252926
262926
272926
282926
292926
302926

How September really feels in Gumaca

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.

Gumaca 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
Jan27° / 25°8212.611.36.1
Feb27° / 25°619.711.56.3
Mar28° / 25°7311.411.96.0
Apr29° / 27°5912.612.35.0
May30° / 27°1552312.63.5
Jun30° / 27°21225.612.83.0
Jul30° / 27°27726.312.73.1
Aug30° / 27°1872312.53.4
Sep29° / 27°24324.112.13.3
Oct29° / 26°26425.311.73.6
Nov28° / 26°20524.211.43.9
Dec27° / 25°2362211.24.7

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 7% of September, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11486
21486
31486
41387
51387
61288
71288
81288
91288
101189
111189
121189
131090
14991
15991
16991
171090
181090
191189
201189
211189
221387
231387
241387
251486
261585
271684
281684
291783
301981

Chance of precipitation in September

Any precipitation

Gumaca gets around 243 mm of rain over 24.1 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 80% and peaks near 83% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
173
274
374
475
576
677
778
879
979
1080
1181
1282
1382
1482
1583
1683
1783
1883
1982
2082
2182
2282
2381
2481
2581
2681
2781
2881
2981
3082

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 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1397
2397
3397
4397
5397
6397
7397
8397
9397
10397
11397
12397
13397
14397
15397
16397
17397
18397
19397
20397
21496
22496
23496
24496
25496
26595
27595
28595
29694
30694

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light 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 5:43 AM to 5:44 AM, and sunset from 5:59 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:435:59
212.35:435:59
312.25:435:58
412.25:435:57
512.25:435:57
612.25:435:56
712.25:435:55
812.25:435:54
912.25:435:54
1012.25:435:53
1112.15:435:52
1212.15:445:51
1312.15:445:51
1412.15:445:50
1512.15:445:49
1612.15:445:48
1712.15:445:47
1812.05:445:47
1912.05:445:46
2012.05:445:45
2112.05:445:44
2212.05:445:44
2312.05:445:43
2412.05:445:42
2512.05:445:41
2611.95:445:41
2711.95:445:40
2811.95:445:39
2911.95:445:38
3011.95:445:38

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.97 kWh/m².

For context, solar energy here swings from a low near 3.78 kWh/m² to a high of 6.33 kWh/m² in April across the year — September's 4.97 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.1Bright
95.1Bright
105.1Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in September

Hazard calendar for Gumaca

In seasonPeak

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

Gumaca 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 Gumaca?

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

3.3
Sightseeing
10th-best month of the year
4.4
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Gumaca.

What to pack for Gumaca in September

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

In September, Gumaca sees daytime highs around 29°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Gumaca 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 23 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
Apr28Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Gumaca 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 Gumaca peaks around April 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 16UV 13Nov 22UV 9
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar13Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec9Very high
Location & terrain

Where is Gumaca?

Gumaca sits at 13.9°N, 122.1°E, 7 m above sea level, in Philippines. The nearest listed city is Lopez, 18 km away.

Topography around Gumaca

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

Within 3 km, the terrain around Gumaca has only modest variations in elevation — a maximum elevation change of 153 m around an average of 32 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 270 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,144 m.

The land around Gumaca is covered by trees (60%) and water (36%) within 3 km, trees (58%) and water (37%) within 16 km, and water (58%) and trees (39%) within 80 km.

3 km
153 m
16 km
270 m
80 km
2,144 m
treesgrasslandcroplandartificial surfaceswatermangroves
September weather nearby: Lopez 18 km · Calauag 21 km · Atimonan 21 km · Catanauan 44 km · Pagbilao 44 km · Mauban 50 km · Lucena 52 km · Tayabas 56 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 Gumaca (13.921°, 122.1002°, 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).