Vilcabamba weather in September

In September, Vilcabamba sees average daytime highs of 21°C and overnight lows near 12°C, with 44 mm of rain across 10 wet days and about 12 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 11% of the time in September, and the air most often feels dry.

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

Daytime high
21°
1st warmest
Overnight low
12°
4th coldest
Rainfall
44 mm
10 wet days
Daylight
12 hours
6:12 AM – 6:11 PM
Cloud cover
66%
4th clearest
Wind
7 km/h
4th windiest
Solar energy
5.72 kWh/m²
Travel score
6.3
out of 10

Vilcabamba is village and rural parish of Loja Province in Ecuador.

Founded
1576

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 21°C through the month.

A typical September day in Vilcabamba reaches about 21°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 23°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12112
22112
32112
42112
52112
62112
72112
82112
92112
102112
112112
122112
132112
142112
152112
162112
172112
182113
192113
202113
212113
222113
232113
242113
252113
262113
272113
282113
292113
302113

Vilcabamba weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 13°18423.612.24.2
Feb21° / 13°22123.712.13.9
Mar21° / 13°22025.3124.0
Apr21° / 13°16622.311.94.4
May21° / 13°951811.85.1
Jun20° / 12°5813.311.85.7
Jul19° / 12°4811.911.85.9
Aug20° / 12°309.111.96.5
Sep21° / 12°4410126.3
Oct21° / 13°10317.512.15.2
Nov21° / 13°14419.612.24.7
Dec21° / 13°16822.912.24.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 29% of September, with mostly cloudy or overcast conditions the remaining 60%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14951
24951
34852
44852
54852
64852
74753
84753
94555
104456
114456
124357
134258
144159
154060
164060
173862
183862
193763
203565
213565
223466
233466
243466
253466
263367
273268
283268
293169
303169

Chance of precipitation in September

Any precipitation

Vilcabamba gets around 44 mm of rain over 10 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 34% and peaks near 48% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
129
229
329
429
529
628
728
828
928
1029
1129
1229
1329
1429
1530
1630
1731
1832
1933
2035
2136
2237
2339
2440
2541
2643
2744
2845
2947
3048

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13982
14982
15982
16982
17982
18982
19973
20973
21973
22964
23964
24964
25955
26955
27946
28937
29928
30928

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
306calm

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 6:19 AM to 6:05 AM, and sunset from 6:14 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:196:14
211.96:196:14
311.96:186:14
411.96:186:13
511.96:176:13
611.96:176:13
711.96:166:13
811.96:166:13
911.96:156:12
1012.06:156:12
1112.06:146:12
1212.06:146:12
1312.06:136:11
1412.06:136:11
1512.06:126:11
1612.06:126:11
1712.06:116:10
1812.06:116:10
1912.06:106:10
2012.06:106:10
2112.06:096:09
2212.06:096:09
2312.06:086:09
2412.06:086:09
2512.06:086:08
2612.06:076:08
2712.06:076:08
2812.06:066:08
2912.06:066:07
3012.06:056:07

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.72 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.62 kWh/m² to a high of 5.72 kWh/m² in September across the year — September's 5.72 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
95.7Bright
105.7Bright
115.7Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
Planning a trip in September

Hazard calendar for Vilcabamba

In seasonPeak

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

Vilcabamba's rainy season runs October–April, 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 Vilcabamba?

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

6.3
Sightseeing
2nd-best month of the year
3.9
Beach & pool
1st-best month of the year

September is a reasonable time to visit Vilcabamba for sightseeing.

What to pack for Vilcabamba in September

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

In September, Vilcabamba sees daytime highs around 21°C and nights near 12°C. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

UV index in Vilcabamba in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Vilcabamba peaks around February 16 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 12 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 16UV 17Jun 23UV 12
UV index (midday)Level
Jan16Extreme
Feb18Extreme
Mar17Extreme
Apr14Extreme
May14Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep14Extreme
Oct15Extreme
Nov14Extreme
Dec14Extreme

Air quality in Vilcabamba 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 Vilcabamba is worst in September — around 17 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (July, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateSep 1816 µg/m³Jul 107 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar10Good
Apr10Good
May8Good
Jun7Good
Jul7Good
Aug11Good
Sep17Moderate
Oct14Moderate
Nov16Moderate
Dec12Good
Location & terrain

Where is Vilcabamba?

Vilcabamba sits at 4.3°S, 79.2°W, 0 m above sea level, in Ecuador. The nearest listed city is Loja, 30 km away.

Santa RosaArenillasPasaje

Topography around Vilcabamba

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

Within 3 km, the terrain around Vilcabamba has significant variations in elevation — a maximum elevation change of 570 m around an average of 1,715 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,458 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,521 m.

The land around Vilcabamba is covered by trees (54%) and grassland (42%) within 3 km, trees (49%) and grassland (46%) within 16 km, and trees (69%) and grassland (29%) within 80 km.

3 km
570 m
16 km
2,458 m
80 km
3,521 m
treesshrubsgrasslandartificial surfaces
September weather nearby: Loja 30 km · Catamayo 34 km · Zamora 37 km · Cariamanga 38 km · Piñas 82 km · Santa Rosa 122 km · Arenillas 122 km · Pasaje 123 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 Vilcabamba (-4.2608°, -79.2227°, elevation 0 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).