Santo Domingo de los Colorados weather in September

In September, Santo Domingo de los Colorados sees average daytime highs of 26°C and overnight lows near 20°C, with 87 mm of rain across 19.1 wet days and about 12 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 0% 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 Santo Domingo de los Colorados's 10th-clearest and 1st-windiest month. For the whole year in context, see Santo Domingo de los Colorados's year-round climate.

Daytime high
26°
9th warmest
Overnight low
20°
3rd coldest
Rainfall
87 mm
19.1 wet days
Daylight
12 hours
6:11 AM – 6:11 PM
Cloud cover
92%
10th clearest
Wind
6 km/h
1st windiest
Solar energy
3.49 kWh/m²
Travel score
4.7
out of 10

Santo Domingo de los Colorados is city in Ecuador, capital of the Santo Domingo de los Tsáchilas Province.

Density
5,743/km²
people per km²
Founded
1899

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 26°C through the month.

A typical September day in Santo Domingo de los Colorados reaches about 26°C in the afternoon and slips back to 20°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 28°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)
12620
22620
32620
42620
52620
62620
72620
82620
92620
102620
112620
122620
132620
142620
152620
162620
172720
182720
192720
202720
212720
222720
232720
242720
252720
262720
272720
282720
292720
302720

Santo Domingo de los Colorados weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 21°37629.6123.5
Feb27° / 21°40326.8123.4
Mar27° / 21°41429.7123.4
Apr27° / 21°39128.3123.4
May27° / 21°25227.5123.7
Jun26° / 21°12321.4124.4
Jul26° / 20°8718.9125.0
Aug26° / 20°5915.7125.3
Sep26° / 20°8719.1124.7
Oct27° / 20°11822.6124.3
Nov27° / 20°13120.9124.4
Dec27° / 21°23526.1123.9

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 1% of September, with mostly cloudy or overcast conditions the remaining 99%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10199
11199
12199
13199
14199
15199
16199
17199
18199
19199
20199
21199
22199
23199
24199
25199
26199
27199
28199
29199
30199

Chance of precipitation in September

Any precipitation

Santo Domingo de los Colorados gets around 87 mm of rain over 19.1 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 64% and peaks near 76% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
154
255
355
455
555
656
756
856
957
1057
1158
1259
1359
1460
1561
1662
1763
1865
1966
2067
2169
2270
2371
2472
2573
2674
2775
2876
2976
3076

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 80% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
118613
218613
318613
418613
518613
618514
718514
818514
908515
1008515
1108416
1208416
1308317
1408218
1508119
1608119
1708020
1807921
1907822
2007723
2107624
2207624
2307525
2407525
2507525
2607525
2707525
2807525
2907525
3007624

Wind in September

Winds average 6 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 6:17 AM to 6:06 AM, and sunset from 6:16 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:176:16
212.06:166:16
312.06:166:16
412.06:166:15
512.06:156:15
612.06:156:15
712.06:146:14
812.06:146:14
912.06:146:14
1012.06:136:13
1112.06:136:13
1212.06:136:12
1312.06:126:12
1412.06:126:12
1512.06:116:11
1612.06:116:11
1712.06:116:11
1812.06:106:10
1912.06:106:10
2012.06:106:10
2112.06:096:09
2212.06:096:09
2312.06:086:08
2412.06:086:08
2512.06:086:08
2612.06:076:07
2712.06:076:07
2812.06:076:07
2912.06:066:06
3012.06:066:06

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.49 kWh/m².

For context, solar energy here swings from a low near 3.26 kWh/m² to a high of 3.82 kWh/m² in March across the year — September's 3.49 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.5Moderate
43.5Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.5Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.5Moderate
153.5Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.4Moderate
273.4Moderate
283.4Moderate
293.4Moderate
303.4Moderate
Planning a trip in September

Hazard calendar for Santo Domingo de los Colorados

In seasonPeak

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

Santo Domingo de los Colorados'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 Santo Domingo de los Colorados?

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

4.7
Sightseeing
3rd-best month of the year
4.7
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Santo Domingo de los Colorados for sightseeing.

What to pack for Santo Domingo de los Colorados in September

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

In September, Santo Domingo de los Colorados sees daytime highs around 26°C and nights near 20°C. Pack rain gear. Worth having: light clothes. About 19 days see rain.

rain gearlight clothes

UV index in Santo Domingo de los Colorados 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 Santo Domingo de los Colorados peaks around February 20 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 18 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 20UV 16Jul 18UV 11
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar16Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Santo Domingo de los Colorados 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 Santo Domingo de los Colorados is worst in November — around 25 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (July, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateNov 1724 µg/m³Jul 1713 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar20Moderate
Apr18Moderate
May15Moderate
Jun14Moderate
Jul13Moderate
Aug14Moderate
Sep15Moderate
Oct17Moderate
Nov25Moderate
Dec19Moderate
Location & terrain

Where is Santo Domingo de los Colorados?

Santo Domingo de los Colorados sits at 0.3°S, 79.2°W, 555 m above sea level, in Ecuador. The nearest listed city is Mindo, 50 km away.

Topography around Santo Domingo de los Colorados

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santo Domingo de los Colorados.

Within 3 km, the terrain around Santo Domingo de los Colorados has only modest variations in elevation — a maximum elevation change of 137 m around an average of 536 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,314 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,013 m.

The land around Santo Domingo de los Colorados is covered by artificial surfaces (71%) and trees (24%) within 3 km, trees (75%) and grassland (20%) within 16 km, and trees (81%) within 80 km.

3 km
137 m
16 km
1,314 m
80 km
5,013 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Mindo 50 km · Quito 72 km · Rosa Zarate 73 km · Machachi 73 km · La Maná 77 km · Valencia 80 km · Pomasqui 83 km · Quevedo 92 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 Santo Domingo de los Colorados (-0.2537°, -79.1763°, elevation 555 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. 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).