Eloy Alfaro weather in September

In September, Eloy Alfaro sees average daytime highs of 27°C and overnight lows near 21°C, with 117 mm of rain across 19 wet days and about 12 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 1% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Eloy Alfaro's 5th-clearest and 3rd-windiest month. For the whole year in context, see Eloy Alfaro's year-round climate.

Daytime high
27°
10th warmest
Overnight low
21°
2nd coldest
Rainfall
117 mm
19 wet days
Daylight
12 hours
6:14 AM – 6:13 PM
Cloud cover
84%
5th clearest
Wind
7 km/h
3rd windiest
Solar energy
3.79 kWh/m²
Travel score
4.7
out of 10

Eloy Alfaro is city of Guayas Province, Ecuador.

Density
5,388/km²
people per km²
Founded
1902

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 27°C through the month.

A typical September day in Eloy Alfaro reaches about 27°C in the afternoon and slips back to 21°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12721
22721
32721
42721
52721
62721
72721
82721
92721
102721
112721
122721
132721
142721
152721
162821
172821
182821
192821
202821
212821
222821
232821
242821
252821
262821
272821
282821
292821
302821

How September really feels in Eloy Alfaro

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Eloy Alfaro weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°30826.512.13.3
Feb29° / 23°39526.112.13.0
Mar29° / 24°45527.1123.0
Apr29° / 23°36626.1123.1
May29° / 23°2872611.93.4
Jun28° / 22°18323.111.94.1
Jul27° / 21°14421.711.94.6
Aug27° / 21°10118.411.94.9
Sep27° / 21°11719124.7
Oct28° / 21°9717.1124.9
Nov28° / 22°7713.312.14.9
Dec29° / 23°16418.712.14.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% 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 (%)
11090
21090
31189
41189
51288
61288
71288
81288
91288
101288
111288
121288
131189
141090
15991
16991
17892
18892
19793
20793
21694
22694
23595
24496
25496
26496
27496
28496
29496
30496

Chance of precipitation in September

Any precipitation

Eloy Alfaro gets around 117 mm of rain over 19 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 63% and peaks near 64% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
163
263
363
463
563
663
763
863
963
1063
1163
1263
1364
1464
1564
1664
1764
1864
1964
2064
2164
2264
2363
2463
2563
2663
2762
2862
2962
3062

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 77% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
18119
28119
38119
48119
58119
68119
78020
88020
97921
107921
117822
127822
137723
147723
157624
167624
177525
187525
197525
207525
217426
227426
237426
247525
257525
267525
277525
287525
297525
307525

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 hours 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 0 minutes over September. Sunrise moves from 6:20 AM to 6:08 AM, and sunset from 6:18 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:206:18
212.06:206:18
312.06:206:17
412.06:196:17
512.06:196:17
612.06:186:16
712.06:186:16
812.06:176:16
912.06:176:15
1012.06:176:15
1112.06:166:15
1212.06:166:15
1312.06:156:14
1412.06:156:14
1512.06:146:14
1612.06:146:13
1712.06:146:13
1812.06:136:13
1912.06:136:12
2012.06:126:12
2112.06:126:12
2212.06:116:11
2312.06:116:11
2412.06:116:11
2512.06:106:11
2612.06:106:10
2712.06:096:10
2812.06:096:10
2912.06:096:09
3012.06:086:09

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.79 kWh/m².

For context, solar energy here swings from a low near 3.06 kWh/m² to a high of 3.87 kWh/m² in November across the year — September's 3.79 kWh/m² sits near the top of that range.

01234151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.8Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.7Moderate
223.7Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.7Moderate
Planning a trip in September

Hazard calendar for Eloy Alfaro

In seasonPeak

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

Eloy Alfaro's rainy season runs January–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 Eloy Alfaro?

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

4.7
Sightseeing
4th-best month of the year
4.9
Beach & pool
5th-best month of the year

September is a reasonable time to visit Eloy Alfaro for sightseeing.

What to pack for Eloy Alfaro in September

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

In September, Eloy Alfaro sees daytime highs around 27°C and nights near 21°C. Pack light clothes and rain gear. About 19 days see rain.

light clothesrain gear

Sea temperature near Eloy Alfaro 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 60 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
Oct23Refreshing
Nov24Refreshing
Dec25Warm

UV index in Eloy Alfaro in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Eloy Alfaro peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 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 highExtremeMar 11UV 15Jul 14UV 10
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr12Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug11Extreme
Sep11Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Eloy Alfaro 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 Eloy Alfaro is worst in November — around 35 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (February, 22 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateNov 1734 µg/m³Feb 1522 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb22Moderate
Mar23Moderate
Apr24Moderate
May25Moderate
Jun27Moderate
Jul29Moderate
Aug29Moderate
Sep31Moderate
Oct27Moderate
Nov35Moderate
Dec28Moderate
Location & terrain

Where is Eloy Alfaro?

Eloy Alfaro sits at 2.2°S, 79.8°W, 3 m above sea level, in Ecuador. The nearest listed city is Guayaquil, 6.0 km away.

Topography around Eloy Alfaro

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

Within 3 km, the terrain around Eloy Alfaro has only modest variations in elevation — a maximum elevation change of 71 m around an average of 4 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 452 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,581 m.

The land around Eloy Alfaro is covered by artificial surfaces (53%) and water (31%) within 3 km, artificial surfaces (25%) and water (21%) within 16 km, and trees (39%) and grassland (25%) within 80 km.

3 km
71 m
16 km
452 m
80 km
3,581 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Guayaquil 6.0 km · Yaguachi Nuevo 18 km · Samborondón 26 km · Milagro 28 km · El Triunfo 30 km · Daule 38 km · Naranjito 42 km · Babahoyo 54 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 Eloy Alfaro (-2.1692°, -79.8399°, elevation 3 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).