Macas weather in September

In September, Macas sees average daytime highs of 24°C and overnight lows near 16°C, with 263 mm of rain across 28.2 wet days and about 12 hours of daylight. It is the 8th-warmest and 12th-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 4% of the time in September, and the air most often feels humid.

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 Macas's 2nd-clearest and 7th-windiest month. For the whole year in context, see Macas's year-round climate.

Daytime high
24°
8th warmest
Overnight low
16°
3rd coldest
Rainfall
263 mm
28.2 wet days
Daylight
12 hours
6:07 AM – 6:06 PM
Cloud cover
78%
2nd clearest
Wind
3 km/h
7th windiest
Solar energy
5.06 kWh/m²
Travel score
3.9
out of 10

Macas is city in Ecuador, capital of the Morona-Santiago Province.

Density
1,992/km²
people per km²
Founded
1563

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 Macas 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 about 1°C warmer than August and on par with October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12415
22415
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

Macas weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 17°30327.612.14.0
Feb24° / 17°33525.512.13.9
Mar24° / 17°38230.5123.5
Apr24° / 17°39029123.6
May24° / 17°42929.811.93.7
Jun23° / 16°40328.911.93.6
Jul22° / 15°36929.111.93.7
Aug23° / 15°29327.811.94.0
Sep24° / 16°26328.2123.9
Oct24° / 16°29030.212.13.7
Nov24° / 17°3092912.13.6
Dec24° / 17°31429.312.13.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% 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 82%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12377
22377
32377
42377
52377
62377
72278
82278
92179
102179
112080
122080
131981
141981
151882
161882
171783
181783
191684
201585
211486
221486
231387
241387
251387
261387
271387
281387
291288
301288

Chance of precipitation in September

Any precipitation

Macas gets around 263 mm of rain over 28.2 wet days in September, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 94% and peaks near 96% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
192
292
392
492
592
692
792
892
992
1093
1193
1293
1393
1494
1594
1694
1794
1895
1995
2095
2195
2295
2396
2496
2596
2696
2796
2896
2996
3096

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 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)
11684
21684
31684
41585
51585
61585
71486
81387
91387
101288
111189
121189
131090
141090
15991
16991
17892
18892
19793
20793
21694
22694
23595
24496
25496
26496
27397
28397
29397
30397

Wind in September

Winds average 3 km/h in September.

Across September, daily wind ranges from about 3 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
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

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 6:14 AM to 6:01 AM, and sunset from 6:11 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:146:11
212.06:136:11
312.06:136:10
412.06:126:10
512.06:126:10
612.06:116:09
712.06:116:09
812.06:116:09
912.06:106:09
1012.06:106:08
1112.06:096:08
1212.06:096:08
1312.06:086:07
1412.06:086:07
1512.06:086:07
1612.06:076:06
1712.06:076:06
1812.06:066:06
1912.06:066:06
2012.06:056:05
2112.06:056:05
2212.06:056:05
2312.06:046:04
2412.06:046:04
2512.06:036:04
2612.06:036:03
2712.06:026:03
2812.06:026:03
2912.06:026:03
3012.06:016:02

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.06 kWh/m².

For context, solar energy here swings from a low near 3.45 kWh/m² to a high of 5.07 kWh/m² in October across the year — September's 5.06 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in September

Is September a good time to visit Macas?

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

3.9
Sightseeing
3rd-best month of the year
3.3
Beach & pool
3rd-best month of the year

September is a weaker month for outdoor sightseeing in Macas.

What to pack for Macas in September

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

In September, Macas sees daytime highs around 24°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 28 days see rain.

rain gearlight clothessun protection

UV index in Macas 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 Macas peaks around February 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 12 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 17UV 16Aug 12UV 11
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar16Extreme
Apr12Extreme
May14Extreme
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov12Extreme
Dec12Extreme

Air quality in Macas 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 Macas is worst in February — around 29 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (July, 12 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateFeb 1929 µg/m³Jul 1113 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb29Moderate
Mar27Moderate
Apr22Moderate
May18Moderate
Jun14Moderate
Jul12Moderate
Aug20Moderate
Sep18Moderate
Oct21Moderate
Nov19Moderate
Dec20Moderate
Location & terrain

Where is Macas?

Macas sits at 2.3°S, 78.1°W, 1,315 m above sea level, in Ecuador. The nearest listed city is Guamote, 78 km away.

BanosCuencaPelileo

Topography around Macas

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

Within 3 km, the terrain around Macas has significant variations in elevation — a maximum elevation change of 570 m around an average of 1,028 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,203 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,093 m.

The land around Macas is covered by trees (70%) within 3 km, trees (94%) within 16 km, and trees (83%) within 80 km.

3 km
570 m
16 km
2,203 m
80 km
5,093 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Guamote 78 km · Puyo 92 km · Riobamba 93 km · Azogues 94 km · Gualaceo 98 km · Banos 107 km · Cuenca 117 km · Pelileo 118 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 Macas (-2.3074°, -78.1203°, elevation 1,315 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).