San Luis Potosí in Fall
In fall (September, October and November), San Luis Potosí sees average daytime highs around 23°C and overnight lows near 12°C, with 141 mm of rain over about 23 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 25°C in early September to 22°C by late November. The sky is clear or mostly clear about 38% of the time across fall, and the air most often feels dry.
Fall is San Luis Potosí's 2nd-best season to visit on our travel score. For the whole year in context, see San Luis Potosí's year-round climate.
- Avg daytime high
- 23°C
- 3rd-warmest season
- Avg overnight low
- 12°C
- Rainfall
- 141 mm
- 23 wet days
- Avg wind
- 9 km/h
- Travel score
- 7.3
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in San Luis Potosí in Fall
Over the season highs ease from about 25°C in early September to 22°C by late November.
A typical fall day in San Luis Potosí reaches about 23°C and drops to 12°C overnight. The warmest of the three months is September, the coolest November.
San Luis Potosí 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 | 20° / 6° | 16 | 3 | 10.8 | 7.6 |
| Feb | 23° / 8° | 14 | 2.5 | 11.2 | 8.3 |
| Mar | 25° / 10° | 15 | 3.4 | 11.8 | 8.2 |
| Apr | 28° / 12° | 22 | 4.5 | 12.5 | 7.3 |
| May | 28° / 14° | 50 | 9.3 | 13 | 6.2 |
| Jun | 27° / 15° | 73 | 11.3 | 13.3 | 6.4 |
| Jul | 25° / 15° | 83 | 10.5 | 13.2 | 6.8 |
| Aug | 25° / 15° | 62 | 9.8 | 12.8 | 6.9 |
| Sep | 24° / 14° | 82 | 12.4 | 12.1 | 6.5 |
| Oct | 23° / 12° | 42 | 7.1 | 11.5 | 7.5 |
| Nov | 22° / 9° | 17 | 3.2 | 10.9 | 8.0 |
| Dec | 21° / 7° | 10 | 1.9 | 10.7 | 7.9 |
Cloud cover in Fall
The sky is clear or mostly clear about 38% of the time across fall.
Chance of precipitation in Fall
San Luis Potosí gets around 141 mm of rain over 23 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 5.0 kWh/m².
Is fall a good time to visit San Luis Potosí?
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 Luis Potosí for general sightseeing.
What to pack for San Luis Potosí in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, San Luis Potosí sees daytime highs around 23°C and nights near 12°C. Worth packing: light clothes, rain gear and sun protection. About 23 days see rain.
UV index in San Luis Potosí 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 Luis Potosí peaks around June 11 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 | 10 | 12 | 13 | 14 | 14 | 12 | 14 | 12 | 10 | 8 | 7 |
| Level | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Very high |
| Mar | 12 | Extreme |
| Apr | 13 | Extreme |
| May | 14 | Extreme |
| Jun | 14 | Extreme |
| Jul | 12 | Extreme |
| Aug | 14 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 7 | High |
Where is San Luis Potosí?
San Luis Potosí sits at 22.2°N, 101.0°W, 1,886 m above sea level, in Mexico. The nearest listed city is Soledad de Graciano Sánchez, 5.0 km away.
Topography around San Luis Potosí
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Luis Potosí.
Within 3 km, the terrain around San Luis Potosí has only modest variations in elevation — a maximum elevation change of 37 m around an average of 1,869 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 966 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,920 m.
The land around San Luis Potosí is covered by artificial surfaces (94%) within 3 km, shrubs (55%) and artificial surfaces (23%) within 16 km, and shrubs (69%) 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 Luis Potosí (22.1523°, -100.9714°, elevation 1,886 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.