Zacatlán in Fall
In fall (September, October and November), Zacatlán sees average daytime highs around 20°C and overnight lows near 11°C, with 686 mm of rain over about 63 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 21°C in early September to 18°C by late November. The sky is clear or mostly clear about 13% of the time across fall, and the air most often feels comfortable.
Fall is Zacatlán's 3rd-best season to visit on our travel score. For the whole year in context, see Zacatlán's year-round climate.
- Avg daytime high
- 20°C
- 3rd-warmest season
- Avg overnight low
- 11°C
- Rainfall
- 686 mm
- 63 wet days
- Avg wind
- 5 km/h
- Travel score
- 4.5
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Zacatlán in Fall
Over the season highs ease from about 21°C in early September to 18°C by late November.
A typical fall day in Zacatlán reaches about 20°C and drops to 11°C overnight. The warmest of the three months is September, the coolest November.
Zacatlán 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 | 17° / 7° | 64 | 12.5 | 10.9 | 5.1 |
| Feb | 19° / 8° | 64 | 12 | 11.3 | 5.6 |
| Mar | 20° / 9° | 97 | 16.5 | 11.9 | 5.5 |
| Apr | 22° / 11° | 135 | 19.4 | 12.4 | 5.2 |
| May | 23° / 12° | 139 | 20.8 | 12.9 | 5.2 |
| Jun | 22° / 13° | 279 | 24.2 | 13.2 | 4.3 |
| Jul | 21° / 13° | 269 | 29.5 | 13.1 | 3.6 |
| Aug | 21° / 13° | 275 | 28.9 | 12.7 | 3.6 |
| Sep | 21° / 13° | 319 | 26.7 | 12.1 | 3.8 |
| Oct | 20° / 11° | 248 | 20.7 | 11.5 | 4.6 |
| Nov | 18° / 9° | 118 | 15.3 | 11.1 | 5.1 |
| Dec | 17° / 7° | 60 | 12.4 | 10.8 | 5.3 |
Cloud cover in Fall
The sky is clear or mostly clear about 13% of the time across fall.
Chance of precipitation in Fall
Zacatlán gets around 686 mm of rain over 63 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 5 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 24 min in early September to 10 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 4.4 kWh/m².
Hazard calendar for Zacatlán
In fall, Zacatlán overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Zacatlán's rainy season runs June–October, when most of the year's rain falls.
Is fall a good time to visit Zacatlán?
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 Zacatlán for sightseeing.
What to pack for Zacatlán in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Zacatlán sees daytime highs around 20°C and nights near 11°C. Pack rain gear. Worth having: sun protection. About 63 days see rain.
UV index in Zacatlán 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 Zacatlán peaks around April 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 8 (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) | 8 | 11 | 13 | 14 | 10 | 14 | 12 | 14 | 11 | 10 | 8 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 14 | Extreme |
| May | 10 | Very high |
| Jun | 14 | Extreme |
| Jul | 12 | Extreme |
| Aug | 14 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 8 | Very high |
Air quality in Zacatlán 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 Zacatlán is worst in December — around 95 µg/m³ PM2.5 (unhealthy), about 2.0× the cleanest month (September, 49 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) | 88 | 89 | 85 | 90 | 85 | 59 | 56 | 52 | 49 | 52 | 70 | 95 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Poor | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 88 | Unhealthy |
| Feb | 89 | Unhealthy |
| Mar | 85 | Unhealthy |
| Apr | 90 | Unhealthy |
| May | 85 | Unhealthy |
| Jun | 59 | Unhealthy |
| Jul | 56 | Unhealthy |
| Aug | 52 | Poor |
| Sep | 49 | Poor |
| Oct | 52 | Poor |
| Nov | 70 | Unhealthy |
| Dec | 95 | Unhealthy |
Where is Zacatlán?
Zacatlán sits at 19.9°N, 98.0°W, 2,048 m above sea level, in Mexico. The nearest listed city is Chignahuapan, 13 km away.
Topography around Zacatlán
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Zacatlán.
Within 3 km, the terrain around Zacatlán has large variations in elevation — a maximum elevation change of 769 m around an average of 2,049 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,999 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,363 m.
The land around Zacatlán is covered by trees (48%) and cropland (20%) within 3 km, trees (67%) within 16 km, and trees (50%) and cropland (23%) 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 Zacatlán (19.9355°, -97.9613°, elevation 2,048 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.