San Francisco Tesistán in Fall
In fall (September, October and November), San Francisco Tesistán sees average daytime highs around 27°C and overnight lows near 15°C, with 242 mm of rain over about 33 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 27°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 Francisco Tesistán's 2nd-best season to visit on our travel score. For the whole year in context, see San Francisco Tesistán's year-round climate.
- Avg daytime high
- 27°C
- 3rd-warmest season
- Avg overnight low
- 15°C
- Rainfall
- 242 mm
- 33 wet days
- Avg wind
- 5 km/h
- Travel score
- 6.5
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in San Francisco Tesistán in Fall
Across fall, daytime highs hold fairly steady around 27°C.
A typical fall day in San Francisco Tesistán reaches about 27°C and drops to 15°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in San Francisco Tesistán
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.
San Francisco Tesistán 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 | 25° / 9° | 19 | 2.1 | 10.9 | 8.5 |
| Feb | 27° / 11° | 13 | 1.8 | 11.3 | 8.2 |
| Mar | 29° / 12° | 7 | 1.1 | 11.9 | 6.9 |
| Apr | 31° / 14° | 4 | 1.1 | 12.5 | 5.4 |
| May | 33° / 16° | 14 | 3.7 | 13 | 4.3 |
| Jun | 31° / 18° | 130 | 18.3 | 13.2 | 3.7 |
| Jul | 28° / 18° | 220 | 25.9 | 13.1 | 3.8 |
| Aug | 28° / 18° | 197 | 25.1 | 12.7 | 4.1 |
| Sep | 28° / 17° | 168 | 20.9 | 12.1 | 4.7 |
| Oct | 28° / 15° | 59 | 9.2 | 11.5 | 6.6 |
| Nov | 27° / 12° | 14 | 2.4 | 11 | 8.2 |
| Dec | 25° / 10° | 8 | 1.4 | 10.8 | 8.5 |
Cloud cover in Fall
The sky is clear or mostly clear about 38% of the time across fall.
Chance of precipitation in Fall
San Francisco Tesistán gets around 242 mm of rain over 33 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 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 5.3 kWh/m².
Hazard calendar for San Francisco Tesistán
In fall, San Francisco Tesistán overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
San Francisco Tesistán's monsoon runs June–September, when most of the year's rain falls.
Is fall a good time to visit San Francisco Tesistán?
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 San Francisco Tesistán for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for San Francisco Tesistán in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, San Francisco Tesistán sees daytime highs around 27°C and nights near 15°C. Pack light clothes and rain gear. Worth having: sun protection. About 33 days see rain.
UV index in San Francisco Tesistán 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 Francisco Tesistán peaks around May 10 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 | 10 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 10 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 13 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in San Francisco Tesistán 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 San Francisco Tesistán is worst in May — around 31 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (July, 13 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) | 20 | 18 | 18 | 23 | 31 | 17 | 13 | 15 | 16 | 16 | 17 | 20 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 20 | Moderate |
| Feb | 18 | Moderate |
| Mar | 18 | Moderate |
| Apr | 23 | Moderate |
| May | 31 | Moderate |
| Jun | 17 | Moderate |
| Jul | 13 | Moderate |
| Aug | 15 | Moderate |
| Sep | 16 | Moderate |
| Oct | 16 | Moderate |
| Nov | 17 | Moderate |
| Dec | 20 | Moderate |
Where is San Francisco Tesistán?
San Francisco Tesistán sits at 20.8°N, 103.5°W, 1,530 m above sea level, in Mexico. The nearest listed city is Nuevo México, 6.0 km away.
Topography around San Francisco Tesistán
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Francisco Tesistán.
Within 3 km, the terrain around San Francisco Tesistán has only modest variations in elevation — a maximum elevation change of 124 m around an average of 1,602 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,342 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,562 m.
The land around San Francisco Tesistán is covered by artificial surfaces (40%) and cropland (38%) within 3 km, trees (26%) and grassland (25%) within 16 km, and trees (33%), shrubs (20%) and grassland (20%) 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 Francisco Tesistán (20.7973°, -103.4771°, elevation 1,530 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.