Rosales weather in September

In September, Rosales sees average daytime highs of 29°C and overnight lows near 23°C, with 363 mm of rain across 27.8 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 29°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 Rosales's 10th-clearest and 8th-windiest month. For the whole year in context, see Rosales's year-round climate.

Daytime high
29°
10th warmest
Overnight low
23°
8th coldest
Rainfall
363 mm
27.8 wet days
Daylight
12 h 06 min
5:49 AM – 5:54 PM
Cloud cover
87%
10th clearest
Wind
5 km/h
8th windiest
Solar energy
4.53 kWh/m²
Travel score
2.9
out of 10

Rosales is municipality of the Philippines in the province of Pangasinan.

Density
1,017/km²
people per km²
Founded
1852

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 Rosales reaches about 29°C in the afternoon and slips back to 23°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)
12923
22923
32923
42923
52923
62923
72923
82923
92923
102923
112923
122923
132923
142923
152923
162923
172923
182923
192923
202923
212923
222923
232923
243023
253023
263023
273023
283023
293023
303023

How September really feels in Rosales

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.

Rosales 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
Jan29° / 20°265.211.26.1
Feb30° / 20°345.211.55.6
Mar32° / 21°458.611.94.5
Apr33° / 23°6913.112.33.5
May32° / 23°20221.912.72.7
Jun31° / 23°29626.812.92.6
Jul30° / 23°48929.312.92.7
Aug29° / 23°4462912.52.9
Sep29° / 23°36327.812.12.9
Oct30° / 22°29022.211.63.5
Nov30° / 22°10612.411.34.6
Dec30° / 21°708.411.15.5

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 90%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1793
2793
3793
4793
5793
6793
7793
8793
9892
10892
11892
12892
13991
14991
15991
16991
17991
18991
191090
201189
211189
221189
231189
241189
251387
261387
271387
281585
291585
301783

Chance of precipitation in September

Any precipitation

Rosales gets around 363 mm of rain over 27.8 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 93% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
191
291
391
491
592
692
792
893
993
1093
1193
1294
1394
1494
1594
1694
1794
1894
1994
2094
2194
2293
2393
2493
2592
2692
2791
2890
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 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
18119
28119
38119
48119
58119
68119
78119
88119
98119
108119
118119
128119
138119
148119
158119
168119
178119
188119
198119
208119
218119
228020
238020
248020
258020
268119
278119
288119
298218
308317

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
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 5:48 AM to 5:51 AM, and sunset from 6:07 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:486:07
212.35:486:06
312.35:486:05
412.35:486:04
512.35:486:03
612.25:486:03
712.25:486:02
812.25:486:01
912.25:496:00
1012.25:495:59
1112.25:495:59
1212.15:495:58
1312.15:495:57
1412.15:495:56
1512.15:495:55
1612.15:495:54
1712.15:495:54
1812.15:495:53
1912.05:495:52
2012.05:505:51
2112.05:505:50
2212.05:505:49
2312.05:505:49
2412.05:505:48
2512.05:505:47
2611.95:505:46
2711.95:505:45
2811.95:505:45
2911.95:505:44
3011.95:515:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.53 kWh/m².

For context, solar energy here swings from a low near 4.12 kWh/m² to a high of 6.3 kWh/m² in April across the year — September's 4.53 kWh/m² falls in the middle.

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
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.7Bright
Planning a trip in September

Hazard calendar for Rosales

In seasonPeak

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

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

Rosales's monsoon runs June–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 Rosales?

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

2.9
Sightseeing
8th-best month of the year
3.9
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Rosales.

What to pack for Rosales in September

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

In September, Rosales sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Rosales 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 38 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
Jul30Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Rosales 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 Rosales peaks around August 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 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 14Dec 11UV 8
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Rosales 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 Rosales is worst in October — around 37 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateOct 1137 µg/m³Feb 1330 µg/m³
PM2.5 (µg/m³)Level
Jan31Moderate
Feb29Moderate
Mar32Moderate
Apr33Moderate
May33Moderate
Jun34Moderate
Jul32Moderate
Aug34Moderate
Sep36Poor
Oct37Poor
Nov35Moderate
Dec31Moderate
Location & terrain

Where is Rosales?

Rosales sits at 15.9°N, 120.6°E, 37 m above sea level, in Philippines. The nearest listed city is Villasis, 5.0 km away.

Topography around Rosales

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

Within 3 km, the terrain around Rosales has only modest variations in elevation — a maximum elevation change of 34 m around an average of 31 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 354 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,706 m.

The land around Rosales is covered by cropland (60%) and trees (25%) within 3 km, cropland (67%) and trees (25%) within 16 km, and trees (50%) and cropland (29%) within 80 km.

3 km
34 m
16 km
354 m
80 km
2,706 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Villasis 5.0 km · Urdaneta 11 km · Burgos 20 km · Guiset East 20 km · Bayambang 21 km · Manaoag 23 km · Ramos 25 km · Paniqui 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 Rosales (15.8944°, 120.6328°, elevation 37 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).