San Miguel de Allende in Fall
In fall (September, October and November), San Miguel de Allende sees average daytime highs around 25°C and overnight lows near 12°C, with 149 mm of rain over about 21 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 25°C. The sky is clear or mostly clear about 38% of the time across fall, and the air most often feels dry.
Fall is San Miguel de Allende's 2nd-best season to visit on our travel score. For the whole year in context, see San Miguel de Allende's year-round climate.
- Avg daytime high
- 25°C
- 3rd-warmest season
- Avg overnight low
- 12°C
- Rainfall
- 149 mm
- 21 wet days
- Avg wind
- 9 km/h
- Travel score
- 7.5
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in San Miguel de Allende in Fall
Across fall, daytime highs hold fairly steady around 25°C.
A typical fall day in San Miguel de Allende reaches about 25°C and drops to 12°C overnight. The warmest of the three months is September, the coolest November.
San Miguel de Allende 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 | 22° / 7° | 12 | 2.3 | 10.9 | 8.3 |
| Feb | 25° / 8° | 13 | 2 | 11.3 | 8.6 |
| Mar | 27° / 10° | 12 | 2.2 | 11.9 | 8.0 |
| Apr | 29° / 13° | 15 | 3.7 | 12.5 | 6.3 |
| May | 30° / 14° | 44 | 7.6 | 13 | 5.5 |
| Jun | 28° / 15° | 103 | 12.1 | 13.2 | 5.6 |
| Jul | 26° / 15° | 112 | 14.8 | 13.1 | 5.9 |
| Aug | 26° / 15° | 101 | 12.6 | 12.7 | 6.2 |
| Sep | 25° / 14° | 100 | 12.2 | 12.1 | 6.3 |
| Oct | 25° / 12° | 37 | 6.4 | 11.5 | 7.5 |
| Nov | 24° / 10° | 12 | 2.3 | 11 | 8.6 |
| Dec | 23° / 8° | 4 | 1 | 10.8 | 8.6 |
Cloud cover in Fall
The sky is clear or mostly clear about 38% of the time across fall.
Chance of precipitation in Fall
San Miguel de Allende gets around 149 mm of rain over 21 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 9 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 24 min in early September to 10 h 48 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 San Miguel de Allende
In fall, San Miguel de Allende overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
San Miguel de Allende's rainy season runs June–September, when most of the year's rain falls.
Is fall a good time to visit San Miguel de Allende?
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 one of the better times to visit San Miguel de Allende for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for San Miguel de Allende in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, San Miguel de Allende sees daytime highs around 25°C and nights near 12°C. Worth packing: light clothes, rain gear and sun protection. About 21 days see rain.
UV index in San Miguel de Allende 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 San Miguel de Allende peaks around June 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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) | 8 | 10 | 13 | 13 | 13 | 14 | 12 | 13 | 11 | 11 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 13 | Extreme |
| Jun | 14 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 11 | Extreme |
| Nov | 8 | Very high |
| Dec | 7 | Very high |
Where is San Miguel de Allende?
San Miguel de Allende sits at 20.9°N, 100.7°W, 1,917 m above sea level, in Mexico. The nearest listed city is Comonfort, 22 km away.
Topography around San Miguel de Allende
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Miguel de Allende.
Within 3 km, the terrain around San Miguel de Allende has significant variations in elevation — a maximum elevation change of 296 m around an average of 1,958 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 997 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,147 m.
The land around San Miguel de Allende is covered by artificial surfaces (42%) and shrubs (35%) within 3 km, shrubs (54%) and cropland (21%) within 16 km, and shrubs (47%) and cropland (28%) 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 San Miguel de Allende (20.9153°, -100.7439°, elevation 1,917 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.