Ameca in Fall
In fall (September, October and November), Ameca sees average daytime highs around 26°C and overnight lows near 14°C, with 255 mm of rain over about 32 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 26°C. The sky is clear or mostly clear about 36% of the time across fall, and the air most often feels humid.
Fall is Ameca's 2nd-best season to visit on our travel score. For the whole year in context, see Ameca's year-round climate.
- Avg daytime high
- 26°C
- 3rd-warmest season
- Avg overnight low
- 14°C
- Rainfall
- 255 mm
- 32 wet days
- Avg wind
- 5 km/h
- Travel score
- 6.6
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Ameca in Fall
Across fall, daytime highs hold fairly steady around 26°C.
A typical fall day in Ameca reaches about 26°C and drops to 14°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Ameca
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.
Ameca 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 | 24° / 8° | 20 | 2 | 10.9 | 8.6 |
| Feb | 26° / 9° | 14 | 1.6 | 11.3 | 8.4 |
| Mar | 29° / 10° | 6 | 1.1 | 11.9 | 7.4 |
| Apr | 31° / 12° | 4 | 1 | 12.5 | 5.8 |
| May | 32° / 15° | 16 | 4.1 | 13 | 4.7 |
| Jun | 30° / 17° | 153 | 18.2 | 13.2 | 4.0 |
| Jul | 27° / 17° | 215 | 25.3 | 13.1 | 4.1 |
| Aug | 27° / 17° | 197 | 24.6 | 12.7 | 4.2 |
| Sep | 27° / 17° | 176 | 20.5 | 12.1 | 4.8 |
| Oct | 27° / 15° | 63 | 9.1 | 11.5 | 6.7 |
| Nov | 26° / 11° | 16 | 2.7 | 11 | 8.3 |
| Dec | 25° / 9° | 8 | 1.4 | 10.8 | 8.6 |
Cloud cover in Fall
The sky is clear or mostly clear about 36% of the time across fall.
Chance of precipitation in Fall
Ameca gets around 255 mm of rain over 32 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels humid — 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 5.2 kWh/m².
Hazard calendar for Ameca
In fall, Ameca overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Ameca's monsoon runs June–September, when most of the year's rain falls.
Is fall a good time to visit Ameca?
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 Ameca for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Ameca in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Ameca sees daytime highs around 26°C and nights near 14°C. Pack rain gear. Worth having: light clothes and sun protection. About 32 days see rain.
UV index in Ameca 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 Ameca peaks around April 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (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 | 13 | 13 | 12 | 12 | 12 | 12 | 10 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 13 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Ameca 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 Ameca is worst in May — around 41 µg/m³ PM2.5 (poor), about 4.7× the cleanest month (January, 9 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) | 9 | 9 | 11 | 20 | 41 | 18 | 11 | 11 | 11 | 10 | 9 | 10 |
| Level | Good | Good | Good | Moderate | Poor | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 9 | Good |
| Mar | 11 | Good |
| Apr | 20 | Moderate |
| May | 41 | Poor |
| Jun | 18 | Moderate |
| Jul | 11 | Good |
| Aug | 11 | Good |
| Sep | 11 | Good |
| Oct | 10 | Good |
| Nov | 9 | Good |
| Dec | 10 | Good |
Where is Ameca?
Ameca sits at 20.5°N, 104.0°W, 1,244 m above sea level, in Mexico. The nearest listed city is Ahualulco de Mercado, 19 km away.
Topography around Ameca
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ameca.
Within 3 km, the terrain around Ameca has only modest variations in elevation — a maximum elevation change of 70 m around an average of 1,245 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,432 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,570 m.
The land around Ameca is covered by cropland (54%) and artificial surfaces (23%) within 3 km, trees (36%) and cropland (32%) within 16 km, and trees (51%) 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 Ameca (20.5478°, -104.0461°, elevation 1,244 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.