Acayucan in Fall
In fall (September, October and November), Acayucan sees average daytime highs around 30°C and overnight lows near 22°C, with 551 mm of rain over about 57 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 31°C in early September to 27°C by late November. The sky is clear or mostly clear about 19% of the time across fall, and the air most often feels oppressive.
Fall is Acayucan's 2nd-best season to visit on our travel score. For the whole year in context, see Acayucan's year-round climate.
- Avg daytime high
- 30°C
- 3rd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 551 mm
- 57 wet days
- Avg wind
- 7 km/h
- Travel score
- 4.2
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Acayucan in Fall
Over the season highs ease from about 31°C in early September to 27°C by late November.
A typical fall day in Acayucan reaches about 30°C and drops to 22°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Acayucan
Once humidity and wind are folded in, fall brings about 56 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Acayucan 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 | 26° / 18° | 43 | 7.9 | 11 | 7.0 |
| Feb | 28° / 19° | 20 | 4.5 | 11.4 | 6.7 |
| Mar | 31° / 21° | 16 | 3.9 | 11.9 | 5.2 |
| Apr | 34° / 23° | 20 | 4.2 | 12.4 | 3.7 |
| May | 35° / 24° | 61 | 9.5 | 12.8 | 2.8 |
| Jun | 33° / 24° | 199 | 22 | 13.1 | 2.4 |
| Jul | 32° / 23° | 220 | 24.8 | 13 | 2.6 |
| Aug | 32° / 23° | 246 | 25.8 | 12.6 | 2.6 |
| Sep | 31° / 23° | 275 | 25.2 | 12.1 | 2.8 |
| Oct | 30° / 22° | 188 | 19.5 | 11.6 | 4.0 |
| Nov | 28° / 20° | 88 | 12.4 | 11.2 | 5.8 |
| Dec | 27° / 19° | 36 | 8.2 | 10.9 | 6.8 |
Cloud cover in Fall
The sky is clear or mostly clear about 19% of the time across fall.
Chance of precipitation in Fall
Acayucan gets around 551 mm of rain over 57 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 7 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 24 min in early September to 11 hours 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 4.2 kWh/m².
Hazard calendar for Acayucan
In fall, Acayucan overlaps its atlantic hurricane and monsoon season. The full year is below, with each hazard's peak months called out.
Acayucan sits in the Atlantic hurricane belt; the season peaks August–October.
Acayucan's monsoon runs June–October, when most of the year's rain falls.
Is fall a good time to visit Acayucan?
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 reasonable time to visit Acayucan for sightseeing.
What to pack for Acayucan in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Acayucan sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 57 days see rain.
Sea temperature near Acayucan in Fall
The nearest coast averages about 28°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 56 km away) is warmest in September at about 29°C and coldest in February near 24°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) | 24 | 24 | 25 | 26 | 28 | 29 | 29 | 29 | 29 | 28 | 27 | 25 |
| Comfort | Warm | Refreshing | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 24 | Warm |
| Feb | 24 | Refreshing |
| Mar | 25 | Warm |
| Apr | 26 | Warm |
| May | 28 | Warm |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 28 | Tropical |
| Nov | 27 | Warm |
| Dec | 25 | Warm |
UV index in Acayucan in Fall
Clear-sky midday UV across fall averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Acayucan peaks around August 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 7 (very high).
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) | 7 | 10 | 12 | 13 | 10 | 12 | 11 | 13 | 11 | 10 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | Very high |
| Feb | 10 | Extreme |
| Mar | 12 | Extreme |
| Apr | 13 | Extreme |
| May | 10 | Very high |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Acayucan 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 Acayucan is worst in May — around 41 µg/m³ PM2.5 (poor), about 3.0× the cleanest month (January, 14 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) | 14 | 15 | 18 | 27 | 41 | 30 | 34 | 26 | 23 | 16 | 15 | 15 |
| Level | Moderate | Moderate | Moderate | Moderate | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 15 | Moderate |
| Mar | 18 | Moderate |
| Apr | 27 | Moderate |
| May | 41 | Poor |
| Jun | 30 | Moderate |
| Jul | 34 | Moderate |
| Aug | 26 | Moderate |
| Sep | 23 | Moderate |
| Oct | 16 | Moderate |
| Nov | 15 | Moderate |
| Dec | 15 | Moderate |
Where is Acayucan?
Acayucan sits at 17.9°N, 94.9°W, 102 m above sea level, in Mexico. The nearest listed city is Jáltipan de Morelos, 21 km away.
Topography around Acayucan
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Acayucan.
Within 3 km, the terrain around Acayucan has only modest variations in elevation — a maximum elevation change of 59 m around an average of 77 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 183 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,658 m.
The land around Acayucan is covered by trees (35%), grassland (35%) and artificial surfaces (30%) within 3 km, grassland (59%) and trees (36%) within 16 km, and grassland (51%) and trees (30%) within 80 km.
Mexico travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 / 127 V · 60 Hz
- Prices
- ≈ 54% of US
- price level, 2025
- GDP per capita
- $13,889
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 43%
- of population, 2024
- Homicide rate
- 24.9
- per 100k, 2023
- Road deaths
- 12.8
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Very low
- EF EPI 440
- 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 Acayucan (17.9498°, -94.9139°, elevation 102 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.