Arriaga in Fall
In fall (September, October and November), Arriaga sees average daytime highs around 29°C and overnight lows near 23°C, with 479 mm of rain over about 42 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 34% of the time across fall, and the air most often feels oppressive.
Fall is Arriaga's 3rd-best season to visit on our travel score. For the whole year in context, see Arriaga's year-round climate.
- Avg daytime high
- 29°C
- 3rd-warmest season
- Avg overnight low
- 23°C
- Rainfall
- 479 mm
- 42 wet days
- Avg wind
- 9 km/h
- Travel score
- 5.0
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Arriaga in Fall
Across fall, daytime highs hold fairly steady around 29°C.
A typical fall day in Arriaga reaches about 29°C and drops to 23°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Arriaga
Once humidity and wind are folded in, fall brings about 46 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Arriaga 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 | 28° / 21° | 2 | 0.5 | 11.1 | 8.3 |
| Feb | 29° / 21° | 2 | 0.7 | 11.5 | 7.5 |
| Mar | 30° / 22° | 7 | 1.8 | 11.9 | 6.7 |
| Apr | 31° / 24° | 20 | 5.4 | 12.4 | 5.5 |
| May | 31° / 24° | 108 | 17.4 | 12.7 | 4.0 |
| Jun | 30° / 24° | 280 | 25.1 | 12.9 | 3.1 |
| Jul | 31° / 24° | 192 | 23.3 | 12.9 | 3.3 |
| Aug | 30° / 24° | 244 | 24.7 | 12.5 | 3.1 |
| Sep | 30° / 24° | 301 | 25 | 12.1 | 3.3 |
| Oct | 29° / 24° | 149 | 13.9 | 11.6 | 4.8 |
| Nov | 29° / 23° | 30 | 2.8 | 11.2 | 6.8 |
| Dec | 28° / 21° | 2 | 0.7 | 11.1 | 7.7 |
Cloud cover in Fall
The sky is clear or mostly clear about 34% of the time across fall.
Chance of precipitation in Fall
Arriaga gets around 479 mm of rain over 42 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — 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 18 min in early September to 11 h 06 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 5.1 kWh/m².
Hazard calendar for Arriaga
In fall, Arriaga overlaps its atlantic hurricane and monsoon season. The full year is below, with each hazard's peak months called out.
Arriaga sits in the Atlantic hurricane belt; the season peaks August–October.
Arriaga's monsoon runs June–October, when most of the year's rain falls.
Is fall a good time to visit Arriaga?
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 Arriaga for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Arriaga in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Arriaga sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 42 days see rain.
Sea temperature near Arriaga in Fall
The nearest coast averages about 29°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 27 km away) is warmest in August at about 30°C and coldest in February near 28°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 28 | 29 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Warm |
| Mar | 28 | Tropical |
| Apr | 29 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Tropical |
UV index in Arriaga in Fall
Clear-sky midday UV across fall averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Arriaga peaks around April 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 8 (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) | 9 | 12 | 13 | 13 | 12 | 13 | 12 | 13 | 12 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 12 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Arriaga 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 Arriaga is worst in May — around 40 µg/m³ PM2.5 (poor), about 3.5× the cleanest month (January, 11 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) | 11 | 13 | 19 | 38 | 40 | 21 | 27 | 22 | 19 | 14 | 12 | 12 |
| Level | Good | Moderate | Moderate | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 13 | Moderate |
| Mar | 19 | Moderate |
| Apr | 38 | Poor |
| May | 40 | Poor |
| Jun | 21 | Moderate |
| Jul | 27 | Moderate |
| Aug | 22 | Moderate |
| Sep | 19 | Moderate |
| Oct | 14 | Moderate |
| Nov | 12 | Moderate |
| Dec | 12 | Good |
Where is Arriaga?
Arriaga sits at 16.2°N, 93.9°W, 63 m above sea level, in Mexico. The nearest listed city is Tonalá, 22 km away.
Topography around Arriaga
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Arriaga.
Within 3 km, the terrain around Arriaga has significant variations in elevation — a maximum elevation change of 407 m around an average of 96 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,595 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,438 m.
The land around Arriaga is covered by trees (43%) and grassland (37%) within 3 km, trees (58%) and grassland (37%) within 16 km, and trees (45%), water (26%) and grassland (23%) 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 Arriaga (16.2356°, -93.8997°, elevation 63 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.