Piñas weather in September

In September, Piñas sees average daytime highs of 24°C and overnight lows near 16°C, with 168 mm of rain across 25 wet days and about 12 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 0% of the time in September, and the air most often feels humid.

Daylight stretches from about 11 h 54 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Piñas's 4th-clearest and 1st-windiest month. For the whole year in context, see Piñas's year-round climate.

Daytime high
24°
7th warmest
Overnight low
16°
3rd coldest
Rainfall
168 mm
25 wet days
Daylight
12 hours
6:14 AM – 6:12 PM
Cloud cover
81%
4th clearest
Wind
4 km/h
1st windiest
Solar energy
5.55 kWh/m²
Travel score
4.3
out of 10

Piñas is city of El Oro Province, Ecuador.

Founded
1815

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 24°C through the month.

A typical September day in Piñas reaches about 24°C in the afternoon and slips back to 16°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 26°C. Set against its neighbours, September runs on par with August and on par with October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12416
22416
32416
42416
52416
62416
72416
82416
92416
102416
112416
122416
132416
142416
152416
162416
172416
182416
192416
202416
212416
222416
232416
242416
252416
262416
272416
282416
292416
302416

Piñas weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 18°55830.712.23.6
Feb24° / 18°64727.912.13.5
Mar25° / 18°73830.9123.4
Apr25° / 18°55829.611.93.5
May25° / 17°37629.111.83.8
Jun24° / 17°16022.911.84.7
Jul24° / 16°9919.911.85.3
Aug25° / 16°9020.511.95.2
Sep24° / 16°16825124.3
Oct24° / 16°22627.512.14.0
Nov24° / 16°23225.212.24.1
Dec24° / 17°38529.712.23.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 86%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12377
22377
32377
42377
52278
62278
72278
82179
92080
102080
111882
121783
131684
141585
151486
161387
171288
181189
191090
201090
21991
22991
23892
24892
25892
26793
27793
28793
29793
30793

Chance of precipitation in September

Any precipitation

Piñas gets around 168 mm of rain over 25 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 84% and peaks near 92% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
175
275
375
475
575
675
776
876
977
1078
1179
1280
1381
1482
1584
1685
1786
1887
1988
2089
2190
2291
2391
2491
2592
2692
2792
2892
2992
3092

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the humid band about 95% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)
11972
21972
31972
41963
51963
60973
70973
80973
90973
100964
110964
120964
130964
140964
150955
160955
170955
180946
190946
200946
210946
220937
230937
240937
250937
260928
270928
280928
290928
300919

Wind in September

Winds average 4 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over September. Sunrise moves from 6:21 AM to 6:07 AM, and sunset from 6:16 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:216:16
211.96:206:16
311.96:206:16
411.96:196:16
511.96:196:15
611.96:186:15
711.96:186:15
812.06:176:15
912.06:176:14
1012.06:166:14
1112.06:166:14
1212.06:166:14
1312.06:156:13
1412.06:156:13
1512.06:146:13
1612.06:146:12
1712.06:136:12
1812.06:136:12
1912.06:126:12
2012.06:126:11
2112.06:116:11
2212.06:116:11
2312.06:106:11
2412.06:106:10
2512.06:096:10
2612.06:096:10
2712.06:096:10
2812.06:086:09
2912.06:086:09
3012.06:076:09

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.55 kWh/m².

For context, solar energy here swings from a low near 4.45 kWh/m² to a high of 5.67 kWh/m² in August across the year — September's 5.55 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Hazard calendar for Piñas

In seasonPeak

None of Piñas's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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

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

Is September a good time to visit Piñas?

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

4.3
Sightseeing
4th-best month of the year
3.7
Beach & pool
4th-best month of the year

September is a reasonable time to visit Piñas for sightseeing.

What to pack for Piñas in September

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

In September, Piñas sees daytime highs around 24°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 25 days see rain.

rain gearlight clothessun protection

Sea temperature near Piñas in September

The nearest coast averages about 23°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 65 km away) is warmest in March at about 27°C and coldest in September near 23°C.

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

22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb27Warm
Mar27Warm
Apr26Warm
May26Warm
Jun25Warm
Jul24Refreshing
Aug23Refreshing
Sep23Refreshing
Oct24Refreshing
Nov24Refreshing
Dec25Warm

UV index in Piñas 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 Piñas peaks around February 18 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 18UV 17Jul 13UV 11
UV index (midday)Level
Jan16Extreme
Feb17Extreme
Mar16Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct15Extreme
Nov13Extreme
Dec13Extreme

Air quality in Piñas 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 Piñas is worst in November — around 21 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (July, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1721 µg/m³Jul 1110 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar15Moderate
Apr14Moderate
May12Good
Jun11Good
Jul10Good
Aug14Moderate
Sep19Moderate
Oct15Moderate
Nov21Moderate
Dec17Moderate
Location & terrain

Where is Piñas?

Piñas sits at 3.7°S, 79.7°W, 1,196 m above sea level, in Ecuador. The nearest listed city is Santa Rosa, 40 km away.

Topography around Piñas

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

Within 3 km, the terrain around Piñas has large variations in elevation — a maximum elevation change of 1,028 m around an average of 1,246 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,510 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,133 m.

The land around Piñas is covered by grassland (49%) and trees (45%) within 3 km, trees (55%) and grassland (44%) within 16 km, and trees (48%) and grassland (39%) within 80 km.

3 km
1,028 m
16 km
2,510 m
80 km
4,133 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
September weather nearby: Santa Rosa 40 km · Pasaje 42 km · Arenillas 45 km · Catamayo 50 km · Guabo 51 km · Machala 56 km · Loja 63 km · Huaquillas 65 km

Ecuador travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 43% of US
price level, 2025
GDP per capita
$7,125
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
70%
of population, 2024
Homicide rate
45.7
per 100k, 2023
Road deaths
20.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 466
Religion
Roman Catholic 68%Protestant 19%none 8%other 2%

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 Piñas (-3.6802°, -79.6817°, elevation 1,196 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. 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).