Río Grande in Fall
In fall (September, October and November), Río Grande sees average daytime highs around 24°C and overnight lows near 12°C, with 125 mm of rain over about 19 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 50% of the time across fall, and the air most often feels dry.
Fall is Río Grande's 2nd-best season to visit on our travel score. For the whole year in context, see Río Grande's year-round climate.
- Avg daytime high
- 24°C
- 3rd-warmest season
- Avg overnight low
- 12°C
- Rainfall
- 125 mm
- 19 wet days
- Avg wind
- 10 km/h
- Travel score
- 7.7
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Río Grande 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 Río Grande reaches about 24°C and drops to 12°C overnight. The warmest of the three months is September, the coolest November.
Río Grande 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° / 5° | 13 | 2.4 | 10.7 | 7.8 |
| Feb | 23° / 7° | 11 | 1.6 | 11.2 | 8.5 |
| Mar | 25° / 9° | 8 | 1.4 | 11.8 | 8.5 |
| Apr | 28° / 12° | 7 | 1.6 | 12.5 | 7.4 |
| May | 30° / 15° | 15 | 3.2 | 13.1 | 6.2 |
| Jun | 29° / 16° | 56 | 8.5 | 13.4 | 6.0 |
| Jul | 27° / 16° | 78 | 11.2 | 13.3 | 6.4 |
| Aug | 27° / 16° | 70 | 10.9 | 12.8 | 6.5 |
| Sep | 25° / 15° | 86 | 11.8 | 12.1 | 6.6 |
| Oct | 25° / 12° | 28 | 4.8 | 11.4 | 8.1 |
| Nov | 23° / 8° | 11 | 2.2 | 10.8 | 8.5 |
| Dec | 21° / 6° | 8 | 1.8 | 10.6 | 8.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 50% of the time across fall.
Chance of precipitation in Fall
Río Grande gets around 125 mm of rain over 19 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 10 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 30 min in early September to 10 h 36 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 5.4 kWh/m².
Is fall a good time to visit Río Grande?
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 Río Grande for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Río Grande in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Río Grande sees daytime highs around 24°C and nights near 12°C. Worth packing: light clothes, rain gear and sun protection. About 19 days see rain.
UV index in Río Grande 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 Río Grande peaks around May 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 6 (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) | 7 | 10 | 11 | 13 | 14 | 14 | 13 | 13 | 12 | 10 | 7 | 6 |
| Level | High | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | High |
| Feb | 10 | Very high |
| Mar | 11 | Extreme |
| Apr | 13 | Extreme |
| May | 14 | Extreme |
| Jun | 14 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Very high |
| Nov | 7 | Very high |
| Dec | 6 | High |
Where is Río Grande?
Río Grande sits at 23.8°N, 103.0°W, 1,859 m above sea level, in Mexico. The nearest listed city is Juan Aldama, 63 km away.
Topography around Río Grande
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Río Grande.
Within 3 km, the terrain around Río Grande has only modest variations in elevation — a maximum elevation change of 96 m around an average of 1,878 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 396 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,533 m.
The land around Río Grande is covered by shrubs (40%), artificial surfaces (30%) and cropland (20%) within 3 km, shrubs (77%) within 16 km, and shrubs (64%) and cropland (30%) 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 Río Grande (23.8273°, -103.0341°, elevation 1,859 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.