La Troncal weather in September

In September, La Troncal sees average daytime highs of 20°C and overnight lows near 15°C, with 321 mm of rain across 30 wet days and about 12 hours of daylight. It is the 10th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 0% of the time in September, and the air most often feels comfortable.

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 La Troncal's 4th-clearest and 1st-windiest month. For the whole year in context, see La Troncal's year-round climate.

Daytime high
20°
10th warmest
Overnight low
15°
2nd coldest
Rainfall
321 mm
30 wet days
Daylight
12 hours
6:12 AM – 6:11 PM
Cloud cover
86%
4th clearest
Wind
3 km/h
1st windiest
Solar energy
4.22 kWh/m²
Travel score
3.2
out of 10

La Troncal is city of Cañar Province, Ecuador.

Density
6,492/km²
people per km²
Founded
1975

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 20°C through the month.

A typical September day in La Troncal reaches about 20°C in the afternoon and slips back to 15°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 21°C. Set against its neighbours, September runs on par with August and on par with October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12014
22014
32014
42014
52014
62014
72014
82014
92014
102014
112014
122015
132015
142015
152015
162015
172015
182015
192015
202015
212015
222015
232015
242015
252015
262015
272015
282015
292015
302015

La Troncal weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 15°49030.812.13.2
Feb21° / 16°51327.912.13.2
Mar21° / 16°60730.8123.2
Apr21° / 16°54329.911.93.2
May21° / 16°48830.811.93.3
Jun20° / 15°3133011.93.3
Jul20° / 15°2793111.93.3
Aug20° / 14°2613111.93.3
Sep20° / 15°32130123.2
Oct20° / 15°33429.312.13.4
Nov20° / 15°30427.112.13.5
Dec20° / 15°42430.212.13.3

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 5% of September, with mostly cloudy or overcast conditions the remaining 95%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1892
2892
3892
4892
5892
6892
7892
8892
9793
10793
11793
12694
13694
14595
15595
16496
17496
18397
19397
20298
21298
22298
23298
24298
25199
26199
27199
28199
29199
30199

Chance of precipitation in September

Any precipitation

La Troncal gets around 321 mm of rain over 30 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 100% and peaks near 100% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 72% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)
18515
28515
38416
48416
58317
68317
78218
88119
98119
108020
117921
127822
137723
147525
157426
167228
177129
186931
196832
206733
216535
226436
236337
246238
256139
266040
276040
285941
295842
305842

Wind in September

Winds average 3 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 3 km/h on the calmest days to 3 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
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm

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 6:18 AM to 6:06 AM, and sunset from 6:16 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:186:16
212.06:186:15
312.06:186:15
412.06:176:15
512.06:176:15
612.06:166:14
712.06:166:14
812.06:166:14
912.06:156:13
1012.06:156:13
1112.06:146:13
1212.06:146:13
1312.06:136:12
1412.06:136:12
1512.06:136:12
1612.06:126:11
1712.06:126:11
1812.06:116:11
1912.06:116:10
2012.06:106:10
2112.06:106:10
2212.06:096:09
2312.06:096:09
2412.06:096:09
2512.06:086:09
2612.06:086:08
2712.06:076:08
2812.06:076:08
2912.06:076:08
3012.06:066:07

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.22 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.47 kWh/m² to a high of 4.22 kWh/m² in September across the year — September's 4.22 kWh/m² sits near the top of that range.

012345151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.1Bright
284.1Bright
294.1Bright
304.1Bright
Planning a trip in September

Is September a good time to visit La Troncal?

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

3.2
Sightseeing
8th-best month of the year
1.6
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in La Troncal.

What to pack for La Troncal in September

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

In September, La Troncal sees daytime highs around 20°C and nights near 15°C. Pack rain gear. About 30 days see rain.

rain gear

UV index in La Troncal 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 La Troncal peaks around March 11 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 16 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 11UV 16Jul 16UV 11
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May14Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in La Troncal 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 La Troncal 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 La Troncal?

La Troncal sits at 2.4°S, 79.3°W, 480 m above sea level, in Ecuador. The nearest listed city is Naranjito, 31 km away.

Topography around La Troncal

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

Within 3 km, the terrain around La Troncal has only modest variations in elevation — a maximum elevation change of 121 m around an average of 83 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,775 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,505 m.

The land around La Troncal is covered by trees (44%) and grassland (30%) within 3 km, trees (63%) and grassland (25%) within 16 km, and trees (35%) and grassland (35%) within 80 km.

3 km
121 m
16 km
1,775 m
80 km
4,505 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Naranjito 31 km · Naranjal 41 km · Milagro 43 km · Yaguachi Nuevo 53 km · Eloy Alfaro 62 km · Cuenca 65 km · Azogues 65 km · Guayaquil 66 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 La Troncal (-2.4247°, -79.3416°, elevation 480 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).