San Lorenzo de Esmeraldas in Fall
In fall (September, October and November), San Lorenzo de Esmeraldas sees average daytime highs around 28°C and overnight lows near 22°C, with 852 mm of rain over about 72 wet days across the season. It is the 3rd-warmest season and the driest season of the year.
Across fall, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 0% of the time across fall, and the air most often feels oppressive.
Fall is San Lorenzo de Esmeraldas's best season of the year to visit on our travel score. San Lorenzo de Esmeraldas has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see San Lorenzo de Esmeraldas's year-round climate.
- Avg daytime high
- 28°C
- 3rd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 852 mm
- 72 wet days
- Avg wind
- 6 km/h
- Travel score
- 3.6
- best season of the year
- Months
- Sep · Oct · Nov
Temperature in San Lorenzo de Esmeraldas in Fall
Across fall, daytime highs hold fairly steady around 28°C.
A typical fall day in San Lorenzo de Esmeraldas reaches about 28°C and drops to 22°C overnight. The warmest of the three months is November, the coolest September.
How fall really feels in San Lorenzo de Esmeraldas
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
fall sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
San Lorenzo de Esmeraldas weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 23° | 442 | 28.8 | 11.9 | 3.1 |
| Feb | 29° / 23° | 364 | 25.4 | 12 | 3.0 |
| Mar | 29° / 23° | 405 | 27.6 | 12 | 3.0 |
| Apr | 29° / 23° | 467 | 27.8 | 12 | 2.9 |
| May | 29° / 23° | 546 | 29.4 | 12.1 | 2.9 |
| Jun | 29° / 23° | 428 | 27.4 | 12.1 | 3.1 |
| Jul | 28° / 22° | 396 | 27.3 | 12.1 | 3.3 |
| Aug | 28° / 22° | 319 | 26.3 | 12 | 3.5 |
| Sep | 28° / 22° | 326 | 25.3 | 12 | 3.5 |
| Oct | 28° / 22° | 288 | 24.5 | 12 | 3.6 |
| Nov | 28° / 22° | 238 | 22.1 | 11.9 | 3.7 |
| Dec | 29° / 23° | 357 | 25.7 | 11.9 | 3.5 |
Cloud cover in Fall
The sky is clear or mostly clear about 0% of the time across fall.
Chance of precipitation in Fall
San Lorenzo de Esmeraldas gets around 852 mm of rain over 72 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 6 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 hours in early September to 11 h 54 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 3.3 kWh/m².
Is fall a good time to visit San Lorenzo de Esmeraldas?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a weaker month for outdoor sightseeing in San Lorenzo de Esmeraldas.
What to pack for San Lorenzo de Esmeraldas in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, San Lorenzo de Esmeraldas sees daytime highs around 28°C and nights near 22°C. Pack light clothes and rain gear. About 72 days see rain.
Sea temperature near San Lorenzo de Esmeraldas in Fall
The nearest coast averages about 27°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in May at about 28°C and coldest in December near 27°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 28 | Warm |
| May | 28 | Warm |
| Jun | 27 | Warm |
| Jul | 27 | Warm |
| Aug | 27 | Warm |
| Sep | 27 | Warm |
| Oct | 27 | Warm |
| Nov | 27 | Warm |
| Dec | 27 | Warm |
UV index in San Lorenzo de Esmeraldas in Fall
Clear-sky midday UV across fall averages 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 San Lorenzo de Esmeraldas peaks around February 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 19 at about 11 (extreme).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 15 | 15 | 14 | 13 | 11 | 11 | 11 | 12 | 13 | 11 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 13 | Extreme |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Air quality in San Lorenzo de Esmeraldas in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in San Lorenzo de Esmeraldas is worst in March — around 17 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (July, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 13 | 17 | 14 | 11 | 9 | 8 | 9 | 9 | 10 | 13 | 12 |
| Level | Good | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 13 | Moderate |
| Mar | 17 | Moderate |
| Apr | 14 | Moderate |
| May | 11 | Good |
| Jun | 9 | Good |
| Jul | 8 | Good |
| Aug | 9 | Good |
| Sep | 9 | Good |
| Oct | 10 | Good |
| Nov | 13 | Moderate |
| Dec | 12 | Good |
Where is San Lorenzo de Esmeraldas?
San Lorenzo de Esmeraldas sits at 1.3°N, 78.8°W, 14 m above sea level, in Ecuador. The nearest listed city is Tumaco, 56 km away.
Topography around San Lorenzo de Esmeraldas
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Lorenzo de Esmeraldas.
Within 3 km, the terrain around San Lorenzo de Esmeraldas has only modest variations in elevation — a maximum elevation change of 44 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 125 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,370 m.
The land around San Lorenzo de Esmeraldas is covered by mangroves (33%), trees (32%) and water (21%) within 3 km, trees (56%) and mangroves (24%) within 16 km, and trees (65%) and water (29%) within 80 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
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 San Lorenzo de Esmeraldas (1.2863°, -78.8351°, elevation 14 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.