Puerto Ayora weather in September

In September, Puerto Ayora sees average daytime highs of 25°C and overnight lows near 20°C, with 1 mm of rain across 0.3 wet days and about 12 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 8% 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 Puerto Ayora's 12th-clearest and 1st-windiest month. For the whole year in context, see Puerto Ayora's year-round climate.

Daytime high
25°
11th warmest
Overnight low
20°
1st coldest
Rainfall
1 mm
0.3 wet days
Daylight
12 hours
5:56 AM – 5:55 PM
Cloud cover
73%
12th clearest
Wind
17 km/h
1st windiest
Solar energy
5.96 kWh/m²
Travel score
7.9
out of 10

Puerto Ayora is city of Galágagos islands, Ecuador.

Density
3,847/km²
people per km²
Founded
1926

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 25°C through the month.

A typical September day in Puerto Ayora reaches about 25°C in the afternoon and slips back to 20°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°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)
12520
22520
32520
42520
52520
62520
72520
82520
92520
102520
112520
122520
132520
142520
152520
162520
172520
182520
192520
202520
212520
222520
232520
242520
252520
262520
272520
282520
292520
302520

How September really feels in Puerto Ayora

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Puerto Ayora weather by month

How September compares with the rest of the year at a glance. September is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 23°5311.6125.7
Feb29° / 24°11114.7124.7
Mar30° / 25°9513.8124.8
Apr29° / 24°10913.5125.0
May28° / 23°349.6126.0
Jun27° / 22°154.3127.1
Jul26° / 21°51.8127.6
Aug25° / 20°30.8127.9
Sep25° / 20°10.3127.9
Oct25° / 20°20.9128.0
Nov26° / 21°51.4127.8
Dec27° / 22°305.1127.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12575
22575
32575
42575
52575
62575
72674
82674
92773
102773
112773
122773
132674
142773
152773
162674
172674
182674
192674
202476
212476
222476
232476
242476
252476
262476
272476
282476
292575
302575

Chance of precipitation in September

Any precipitation

Puerto Ayora gets around 1 mm of rain over 0.3 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 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
12
22
32
42
52
62
72
82
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
241
251
261
271
281
291
302

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 16% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11173160
21173160
31173160
41173160
51173160
61173160
71273150
81273150
91273150
101371151
111371151
121470151
131470151
141569151
151569151
161668151
171667161
181667161
191667161
201667161
211667161
221667161
231667161
241667161
251668160
261668160
271570150
281570150
291570150
301571140

Wind in September

Winds average 17 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 17 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze

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 6:01 AM to 5:50 AM, and sunset from 6:01 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:016:01
212.06:016:00
312.06:016:00
412.06:006:00
512.06:005:59
612.06:005:59
712.05:595:59
812.05:595:58
912.05:585:58
1012.05:585:58
1112.05:585:57
1212.05:575:57
1312.05:575:57
1412.05:565:56
1512.05:565:56
1612.05:565:55
1712.05:555:55
1812.05:555:55
1912.05:555:54
2012.05:545:54
2112.05:545:54
2212.05:535:53
2312.05:535:53
2412.05:535:53
2512.05:525:52
2612.05:525:52
2712.05:515:52
2812.05:515:51
2912.05:515:51
3012.05:505:51

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.96 kWh/m².

For context, solar energy here swings from a low near 5.4 kWh/m² to a high of 6.88 kWh/m² in March across the year — September's 5.96 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
146.0Bright
156.0Bright
166.0Bright
176.0Bright
186.0Intense
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in September

Is September a good time to visit Puerto Ayora?

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

7.9
Sightseeing
2nd-best month of the year
7.2
Beach & pool
3rd-best month of the year

September is one of the better times to visit Puerto Ayora for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Puerto Ayora in September

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

In September, Puerto Ayora sees daytime highs around 25°C and nights near 20°C. Worth packing: light clothes and sun protection.

light clothessun protection

Sea temperature near Puerto Ayora in September

The nearest coast averages about 22°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 15 km away) is warmest in March at about 27°C and coldest in August near 22°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb27Warm
Mar27Warm
Apr26Warm
May25Warm
Jun24Refreshing
Jul23Refreshing
Aug22Refreshing
Sep22Refreshing
Oct22Refreshing
Nov23Refreshing
Dec23Refreshing

UV index in Puerto Ayora 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 Puerto Ayora peaks around February 19 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 16Jul 11UV 11
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar15Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Puerto Ayora?

Puerto Ayora sits at 0.7°S, 90.3°W, 0 m above sea level, in Ecuador. The nearest listed city is Salinas, 1,053 km away.

SalinasLa LibertadPuerto LópezSanta ElenaMantaMontecristiJipijapaTalara

Topography around Puerto Ayora

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

Within 3 km, the terrain around Puerto Ayora has only modest variations in elevation — a maximum elevation change of 129 m around an average of 35 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 856 m; within 80 km, large variations in elevation — a maximum elevation change of 897 m.

The land around Puerto Ayora is covered by trees (55%) and water (20%) within 3 km, water (49%) and trees (35%) within 16 km, and water (86%) within 80 km.

3 km
129 m
16 km
856 m
80 km
897 m
treesshrubsgrasslandartificial surfacesbare terrainwatermangroves
September weather nearby: Salinas 1,053 km · La Libertad 1,058 km · Puerto López 1,061 km · Santa Elena 1,064 km · Manta 1,066 km · Montecristi 1,074 km · Jipijapa 1,084 km · Talara 1,091 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 Puerto Ayora (-0.7402°, -90.3138°, 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).