La Castellana weather in September

In September, La Castellana sees average daytime highs of 30°C and overnight lows near 24°C, with 309 mm of rain across 28.4 wet days and about 12.1 hours of daylight. It is the 9th-warmest and 2nd-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 2% of the time in September, and the air most often feels miserable.

Daylight stretches from about 12 h 12 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is La Castellana's 11th-clearest and 6th-windiest month. For the whole year in context, see La Castellana's year-round climate.

Daytime high
30°
9th warmest
Overnight low
24°
8th coldest
Rainfall
309 mm
28.4 wet days
Daylight
12 h 06 min
5:41 AM – 5:44 PM
Cloud cover
88%
11th clearest
Wind
7 km/h
6th windiest
Solar energy
4.58 kWh/m²
Travel score
2.6
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 La Castellana reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°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)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024

How September really feels in La Castellana

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.

La Castellana weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°8813.211.54.4
Feb31° / 23°819.911.74.4
Mar32° / 24°7810.511.94.0
Apr33° / 25°7911.412.23.2
May33° / 25°1952412.52.5
Jun31° / 24°29627.912.62.4
Jul30° / 24°34129.312.52.6
Aug30° / 24°29327.712.32.7
Sep30° / 24°30928.412.12.6
Oct30° / 24°27528.211.82.7
Nov31° / 24°16820.511.53.3
Dec30° / 24°1681811.43.9

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 7% of September, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10892
11892
12793
13793
14793
15793
16793
17793
18793
19892
20892
21892
22892
23892
24793
25892
26892
27892
28892
29892
30892

Chance of precipitation in September

Any precipitation

La Castellana gets around 309 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 95% and peaks near 96% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
193
294
394
494
595
695
795
895
996
1096
1196
1296
1395
1495
1595
1695
1795
1894
1994
2094
2194
2294
2394
2494
2594
2694
2794
2894
2995
3095

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 82% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
11882
21882
31882
41882
51981
61981
71981
81981
92080
102080
112080
122080
132080
141981
151981
161981
171882
181882
191882
201783
211783
221783
231684
241684
251684
261684
271684
281684
291684
301783

Wind in September

Winds average 7 km/h in September.

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

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 12 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 18 minutes over September. Sunrise moves from 5:42 AM to 5:40 AM, and sunset from 5:54 PM to 5:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:425:54
212.25:425:53
312.25:425:52
412.25:415:52
512.25:415:51
612.25:415:50
712.15:415:50
812.15:415:49
912.15:415:49
1012.15:415:48
1112.15:415:47
1212.15:415:47
1312.15:415:46
1412.15:415:45
1512.15:415:45
1612.15:415:44
1712.05:405:43
1812.05:405:43
1912.05:405:42
2012.05:405:41
2112.05:405:41
2212.05:405:40
2312.05:405:39
2412.05:405:39
2512.05:405:38
2612.05:405:37
2711.95:405:37
2811.95:405:36
2911.95:405:35
3011.95:405:35

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 4.22 kWh/m² to a high of 6.17 kWh/m² in April across the year — September's 4.58 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in September

Hazard calendar for La Castellana

In seasonPeak

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

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

La Castellana's rainy season runs May–December, when most of the year's rain falls.

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

Is September a good time to visit La Castellana?

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

2.6
Sightseeing
9th-best month of the year
3.7
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in La Castellana.

What to pack for La Castellana in September

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

In September, La Castellana sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near La Castellana 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 17 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
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in La Castellana 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 La Castellana peaks around March 24 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 24UV 14Nov 23UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep13Extreme
Oct11Extreme
Nov10Very high
Dec10Very high

Air quality in La Castellana 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 La Castellana is worst in September — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 2317 µg/m³Feb 1113 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb13Moderate
Mar14Moderate
Apr15Moderate
May16Moderate
Jun16Moderate
Jul17Moderate
Aug16Moderate
Sep17Moderate
Oct17Moderate
Nov15Moderate
Dec14Moderate
Location & terrain

Where is La Castellana?

La Castellana sits at 10.3°N, 123.0°E, 67 m above sea level, in Philippines. The nearest listed city is Tinongan, 12 km away.

Topography around La Castellana

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

Within 3 km, the terrain around La Castellana has only modest variations in elevation — a maximum elevation change of 163 m around an average of 65 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,463 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,458 m.

The land around La Castellana is covered by trees (51%) and cropland (46%) within 3 km, trees (59%) and cropland (37%) within 16 km, and trees (43%) and water (43%) within 80 km.

3 km
163 m
16 km
2,463 m
80 km
2,458 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Tinongan 12 km · Isabela 14 km · La Carlota 16 km · Maao 19 km · Hinigaran 20 km · Binalbagan 23 km · Canlaon 23 km · Pacol 26 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 La Castellana (10.3239°, 123.0215°, elevation 67 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).