Amecameca in Fall
In fall (September, October and November), Amecameca sees average daytime highs around 21°C and overnight lows near 10°C, with 626 mm of rain over about 54 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 21°C. The sky is clear or mostly clear about 23% of the time across fall, and the air most often feels dry.
Fall is Amecameca's 3rd-best season to visit on our travel score. For the whole year in context, see Amecameca's year-round climate.
- Avg daytime high
- 21°C
- 3rd-warmest season
- Avg overnight low
- 10°C
- Rainfall
- 626 mm
- 54 wet days
- Avg wind
- 5 km/h
- Travel score
- 5.3
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Amecameca in Fall
Across fall, daytime highs hold fairly steady around 21°C.
A typical fall day in Amecameca reaches about 21°C and drops to 10°C overnight. The warmest of the three months is September, the coolest November.
Amecameca 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 | 19° / 6° | 15 | 3.3 | 11 | 7.6 |
| Feb | 21° / 8° | 17 | 3.7 | 11.4 | 7.9 |
| Mar | 22° / 9° | 35 | 6.7 | 11.9 | 7.7 |
| Apr | 23° / 10° | 86 | 11.4 | 12.4 | 6.8 |
| May | 23° / 11° | 268 | 22.3 | 12.9 | 5.0 |
| Jun | 22° / 12° | 406 | 26.3 | 13.1 | 4.0 |
| Jul | 22° / 11° | 347 | 27.2 | 13 | 3.9 |
| Aug | 22° / 11° | 387 | 27.7 | 12.6 | 3.9 |
| Sep | 21° / 11° | 413 | 26.5 | 12.1 | 3.8 |
| Oct | 21° / 10° | 165 | 18.5 | 11.6 | 5.2 |
| Nov | 20° / 8° | 48 | 8.9 | 11.1 | 6.8 |
| Dec | 19° / 7° | 11 | 2.5 | 10.9 | 7.7 |
Cloud cover in Fall
The sky is clear or mostly clear about 23% of the time across fall.
Chance of precipitation in Fall
Amecameca gets around 626 mm of rain over 54 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — 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 5.3 kWh/m².
Hazard calendar for Amecameca
In fall, Amecameca overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Amecameca's monsoon runs May–September, when most of the year's rain falls.
Is fall a good time to visit Amecameca?
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 Amecameca for sightseeing.
What to pack for Amecameca in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Amecameca sees daytime highs around 21°C and nights near 10°C. Pack rain gear. Worth having: a warm layer and sun protection. About 54 days see rain.
UV index in Amecameca in Fall
Clear-sky midday UV across fall averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Amecameca peaks around April 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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) | 9 | 12 | 14 | 15 | 11 | 14 | 12 | 14 | 12 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 12 | Extreme |
| Mar | 14 | Extreme |
| Apr | 15 | Extreme |
| May | 11 | Extreme |
| Jun | 14 | Extreme |
| Jul | 12 | Extreme |
| Aug | 14 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Amecameca 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 Amecameca is worst in November — around 103 µg/m³ PM2.5 (unhealthy), about 1.8× the cleanest month (April, 57 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) | 79 | 70 | 58 | 57 | 78 | 69 | 69 | 70 | 82 | 90 | 103 | 101 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 79 | Unhealthy |
| Feb | 70 | Unhealthy |
| Mar | 58 | Unhealthy |
| Apr | 57 | Unhealthy |
| May | 78 | Unhealthy |
| Jun | 69 | Unhealthy |
| Jul | 69 | Unhealthy |
| Aug | 70 | Unhealthy |
| Sep | 82 | Unhealthy |
| Oct | 90 | Unhealthy |
| Nov | 103 | Unhealthy |
| Dec | 101 | Unhealthy |
Where is Amecameca?
Amecameca sits at 19.1°N, 98.8°W, 2,480 m above sea level, in Mexico. The nearest listed city is San Rafael, 10 km away.
Topography around Amecameca
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Amecameca.
Within 3 km, the terrain around Amecameca has only modest variations in elevation — a maximum elevation change of 220 m around an average of 2,487 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,107 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,554 m.
The land around Amecameca is covered by cropland (61%) and artificial surfaces (20%) within 3 km, trees (47%) and cropland (31%) within 16 km, and trees (34%) and cropland (26%) 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 Amecameca (19.1238°, -98.7665°, elevation 2,480 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.