Catamayo weather in September

In September, Catamayo sees average daytime highs of 22°C and overnight lows near 14°C, with 36 mm of rain across 8.4 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 22°C through the month. The sky is clear or mostly clear about 17% 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 Catamayo's 4th-clearest and 4th-windiest month. For the whole year in context, see Catamayo's year-round climate.

Daytime high
22°
1st warmest
Overnight low
14°
4th coldest
Rainfall
36 mm
8.4 wet days
Daylight
12 hours
6:12 AM – 6:11 PM
Cloud cover
64%
4th clearest
Wind
8 km/h
4th windiest
Solar energy
5.66 kWh/m²
Travel score
6.8
out of 10

Catamayo is city of Loja Province, Ecuador.

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 22°C through the month.

A typical September day in Catamayo reaches about 22°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 24°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)
12213
22213
32213
42213
52213
62213
72213
82213
92213
102213
112214
122214
132214
142214
152214
162214
172214
182214
192214
202214
212214
222214
232214
242214
252214
262214
272214
282214
292214
302214

Catamayo 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° / 14°16722.512.24.5
Feb21° / 14°19522.812.14.1
Mar21° / 14°20424.2124.1
Apr21° / 14°14820.911.94.6
May21° / 14°8216.311.85.5
Jun21° / 13°4911.711.86.1
Jul20° / 13°3710.111.86.4
Aug21° / 13°246.911.97.0
Sep22° / 14°368.4126.8
Oct22° / 14°8816.212.15.5
Nov22° / 14°13319.212.24.9
Dec21° / 14°14821.812.24.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 28% of September, with mostly cloudy or overcast conditions the remaining 55%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15545
25446
35446
45446
55347
65347
75248
85248
95149
105050
114951
124852
134753
144654
154456
164357
174357
184357
194357
204258
214060
223961
233961
243961
253961
263862
273763
283763
293763
303664

Chance of precipitation in September

Any precipitation

Catamayo gets around 36 mm of rain over 8.4 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 28% and peaks near 40% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
124
224
324
424
524
624
724
824
924
1025
1125
1225
1325
1425
1525
1626
1726
1827
1928
2029
2130
2231
2332
2433
2534
2635
2736
2838
2939
3040

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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1991
2991
3991
4982
5982
6982
7982
8982
9982
10982
11982
12982
13982
14973
15973
16973
17973
18973
19973
20973
21964
22964
23955
24955
25946
26937
27937
28928
29919
309010

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 6:06 AM, and sunset from 6:15 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:196:15
211.96:196:15
311.96:196:14
411.96:186:14
511.96:186:14
611.96:176:14
711.96:176:13
811.96:166:13
912.06:166:13
1012.06:156:13
1112.06:156:12
1212.06:146:12
1312.06:146:12
1412.06:136:12
1512.06:136:11
1612.06:126:11
1712.06:126:11
1812.06:116:11
1912.06:116:10
2012.06:106:10
2112.06:106:10
2212.06:106:10
2312.06:096:09
2412.06:096:09
2512.06:086:09
2612.06:086:09
2712.06:076:08
2812.06:076:08
2912.06:066:08
3012.06:066:08

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.66 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.6 kWh/m² to a high of 5.66 kWh/m² in September across the year — September's 5.66 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
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
Planning a trip in September

Hazard calendar for Catamayo

In seasonPeak

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

Catamayo's rainy season runs November–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 Catamayo?

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

6.8
Sightseeing
2nd-best month of the year
4.7
Beach & pool
1st-best month of the year

September is a reasonable time to visit Catamayo for sightseeing.

What to pack for Catamayo in September

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

In September, Catamayo sees daytime highs around 22°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Catamayo 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 Catamayo peaks around February 17 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 17UV 17Jun 23UV 12
UV index (midday)Level
Jan17Extreme
Feb18Extreme
Mar17Extreme
Apr14Extreme
May14Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep14Extreme
Oct15Extreme
Nov14Extreme
Dec14Extreme

Air quality in Catamayo 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 Catamayo is worst in November — around 21 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (July, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1721 µg/m³Jul 1110 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar15Moderate
Apr14Moderate
May12Good
Jun11Good
Jul10Good
Aug14Moderate
Sep19Moderate
Oct15Moderate
Nov21Moderate
Dec17Moderate
Location & terrain

Where is Catamayo?

Catamayo sits at 4.0°S, 79.4°W, 1,452 m above sea level, in Ecuador. The nearest listed city is Loja, 17 km away.

Topography around Catamayo

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

Within 3 km, the terrain around Catamayo has significant variations in elevation — a maximum elevation change of 567 m around an average of 1,336 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,111 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,846 m.

The land around Catamayo is covered by grassland (54%) within 3 km, grassland (59%) and trees (30%) within 16 km, and trees (61%) and grassland (37%) within 80 km.

3 km
567 m
16 km
2,111 m
80 km
3,846 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Loja 17 km · Vilcabamba 34 km · Cariamanga 44 km · Zamora 46 km · Piñas 50 km · Pasaje 89 km · Santa Rosa 89 km · Arenillas 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 Catamayo (-3.9866°, -79.3576°, elevation 1,452 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).