Ayutla de los Libres weather in September
In September, Ayutla de los Libres sees average daytime highs of 27°C and overnight lows near 19°C, with 574 mm of rain across 29.2 wet days and about 12.1 hours of daylight. It is the 12th-warmest and 1st-wettest month of the year here.
Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 1% of the time in September, and the air most often feels muggy.
Daylight stretches from about 12 h 18 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Ayutla de los Libres's 12th-clearest and 12th-windiest month. For the whole year in context, see Ayutla de los Libres's year-round climate.
- Daytime high
- 27°
- 12th warmest
- Overnight low
- 19°
- 9th coldest
- Rainfall
- 574 mm
- 29.2 wet days
- Daylight
- 12 h 06 min
- 6:28 AM – 6:34 PM
- Cloud cover
- 88%
- 12th clearest
- Wind
- 4 km/h
- 12th windiest
- Solar energy
- 4.62 kWh/m²
- Travel score
- 3.4
- out of 10
Ayutla de los Libres is municipal seat of Ayutla, State of Guerrero, Mexico.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Day-to-day highs hold fairly steady near 27°C through the month.
A typical September day in Ayutla de los Libres reaches about 27°C in the afternoon and slips back to 19°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, September runs on par with August and on par with October.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg low (°C) | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 19 |
| 2 | 27 | 19 |
| 3 | 27 | 19 |
| 4 | 27 | 19 |
| 5 | 27 | 19 |
| 6 | 27 | 19 |
| 7 | 27 | 19 |
| 8 | 27 | 19 |
| 9 | 27 | 19 |
| 10 | 27 | 19 |
| 11 | 27 | 19 |
| 12 | 27 | 19 |
| 13 | 27 | 19 |
| 14 | 27 | 19 |
| 15 | 27 | 19 |
| 16 | 27 | 19 |
| 17 | 27 | 19 |
| 18 | 27 | 19 |
| 19 | 27 | 19 |
| 20 | 27 | 19 |
| 21 | 27 | 19 |
| 22 | 27 | 19 |
| 23 | 27 | 19 |
| 24 | 27 | 19 |
| 25 | 27 | 19 |
| 26 | 27 | 19 |
| 27 | 27 | 19 |
| 28 | 27 | 19 |
| 29 | 27 | 19 |
| 30 | 27 | 19 |
Ayutla de los Libres weather by month
How September compares with the rest of the year at a glance. September is the 12th-warmest and 1st-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 15° | 20 | 3.8 | 11.1 | 7.5 |
| Feb | 29° / 15° | 11 | 1.8 | 11.4 | 6.9 |
| Mar | 31° / 16° | 14 | 1.8 | 11.9 | 6.1 |
| Apr | 32° / 17° | 15 | 3.1 | 12.4 | 5.1 |
| May | 31° / 19° | 158 | 14.7 | 12.8 | 4.1 |
| Jun | 28° / 20° | 422 | 26.9 | 13 | 3.5 |
| Jul | 28° / 19° | 458 | 29.5 | 12.9 | 3.3 |
| Aug | 28° / 19° | 501 | 29.6 | 12.6 | 3.4 |
| Sep | 27° / 19° | 574 | 29.2 | 12.1 | 3.4 |
| Oct | 27° / 18° | 439 | 28.9 | 11.6 | 3.6 |
| Nov | 28° / 17° | 133 | 16.6 | 11.2 | 5.5 |
| Dec | 28° / 15° | 27 | 5.9 | 11 | 7.4 |
Cloud cover in September
The sky is clear or mostly clear about 1% of the time in September, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 6% of September, with mostly cloudy or overcast conditions the remaining 93%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 9 | 9 | 10 |
| Cloudier (%) | 93 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 94 | 94 | 95 | 95 | 95 | 95 | 94 | 94 | 94 | 93 | 93 | 91 | 91 | 90 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 7 | 93 |
| 2 | 6 | 94 |
| 3 | 6 | 94 |
| 4 | 6 | 94 |
| 5 | 6 | 94 |
| 6 | 6 | 94 |
| 7 | 6 | 94 |
| 8 | 6 | 94 |
| 9 | 7 | 93 |
| 10 | 7 | 93 |
| 11 | 7 | 93 |
| 12 | 7 | 93 |
| 13 | 7 | 93 |
| 14 | 7 | 93 |
| 15 | 7 | 93 |
| 16 | 7 | 93 |
| 17 | 6 | 94 |
| 18 | 6 | 94 |
| 19 | 5 | 95 |
| 20 | 5 | 95 |
| 21 | 5 | 95 |
| 22 | 5 | 95 |
| 23 | 6 | 94 |
| 24 | 6 | 94 |
| 25 | 6 | 94 |
| 26 | 7 | 93 |
| 27 | 7 | 93 |
| 28 | 9 | 91 |
| 29 | 9 | 91 |
| 30 | 10 | 90 |
Chance of precipitation in September
Ayutla de los Libres gets around 574 mm of rain over 29.2 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 97% and peaks near 97% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 |
| Rain chance (%) | |
|---|---|
| 1 | 97 |
| 2 | 97 |
| 3 | 97 |
| 4 | 97 |
| 5 | 97 |
| 6 | 97 |
| 7 | 97 |
| 8 | 97 |
| 9 | 97 |
| 10 | 97 |
| 11 | 97 |
| 12 | 97 |
| 13 | 97 |
| 14 | 97 |
| 15 | 97 |
| 16 | 97 |
| 17 | 97 |
| 18 | 97 |
| 19 | 97 |
| 20 | 97 |
| 21 | 97 |
| 22 | 97 |
| 23 | 97 |
| 24 | 97 |
| 25 | 97 |
| 26 | 97 |
| 27 | 97 |
| 28 | 97 |
| 29 | 97 |
| 30 | 97 |
Humidity in September
Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the muggy band about 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Muggy (%) | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 94 | 93 | 93 | 93 | 93 | 92 | 92 | 92 | 91 | 92 | 91 | 91 | 91 | 91 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 89 | 89 |
| Oppressive (%) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|
| 1 | 1 | 93 | 6 |
| 2 | 1 | 93 | 6 |
| 3 | 1 | 93 | 6 |
| 4 | 1 | 93 | 6 |
| 5 | 1 | 93 | 6 |
| 6 | 1 | 93 | 6 |
| 7 | 1 | 93 | 6 |
| 8 | 1 | 94 | 5 |
| 9 | 1 | 93 | 6 |
| 10 | 1 | 93 | 6 |
| 11 | 1 | 93 | 6 |
| 12 | 1 | 93 | 6 |
| 13 | 1 | 92 | 7 |
| 14 | 1 | 92 | 7 |
| 15 | 1 | 92 | 7 |
| 16 | 1 | 91 | 8 |
| 17 | 0 | 92 | 8 |
| 18 | 0 | 91 | 9 |
| 19 | 0 | 91 | 9 |
| 20 | 0 | 91 | 9 |
| 21 | 0 | 91 | 9 |
| 22 | 0 | 90 | 10 |
| 23 | 0 | 90 | 10 |
| 24 | 0 | 90 | 10 |
| 25 | 0 | 90 | 10 |
| 26 | 0 | 90 | 10 |
| 27 | 0 | 90 | 10 |
| 28 | 0 | 90 | 10 |
| 29 | 1 | 89 | 10 |
| 30 | 1 | 89 | 10 |
Wind in September
Winds average 4 km/h in September, the calmest month.
Across September, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 4 | calm |
| 2 | 4 | calm |
| 3 | 4 | calm |
| 4 | 4 | calm |
| 5 | 4 | calm |
| 6 | 4 | calm |
| 7 | 4 | calm |
| 8 | 4 | calm |
| 9 | 4 | calm |
| 10 | 4 | calm |
| 11 | 4 | calm |
| 12 | 4 | calm |
| 13 | 4 | calm |
| 14 | 4 | calm |
| 15 | 4 | calm |
| 16 | 4 | calm |
| 17 | 4 | calm |
| 18 | 4 | calm |
| 19 | 4 | calm |
| 20 | 4 | calm |
| 21 | 4 | calm |
| 22 | 4 | calm |
| 23 | 4 | calm |
| 24 | 4 | calm |
| 25 | 4 | calm |
| 26 | 4 | calm |
| 27 | 4 | calm |
| 28 | 4 | calm |
| 29 | 4 | calm |
| 30 | 4 | calm |
Sunrise & sunset in September
Daylight runs from about 12 h 18 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 24 minutes over September. Sunrise moves from 6:26 AM to 6:30 AM, and sunset from 6:46 PM to 6:22 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 |
| Sunrise (AM) | 6:26 | 6:26 | 6:26 | 6:26 | 6:27 | 6:27 | 6:27 | 6:27 | 6:27 | 6:27 | 6:27 | 6:27 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:28 | 6:29 | 6:29 | 6:29 | 6:29 | 6:29 | 6:29 | 6:29 | 6:30 | 6:30 |
| Sunset (PM) | 6:46 | 6:45 | 6:45 | 6:44 | 6:43 | 6:42 | 6:41 | 6:40 | 6:40 | 6:39 | 6:38 | 6:37 | 6:36 | 6:35 | 6:34 | 6:34 | 6:33 | 6:32 | 6:31 | 6:30 | 6:29 | 6:28 | 6:28 | 6:27 | 6:26 | 6:25 | 6:24 | 6:23 | 6:22 | 6:22 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.3 | 6:26 | 6:46 |
| 2 | 12.3 | 6:26 | 6:45 |
| 3 | 12.3 | 6:26 | 6:45 |
| 4 | 12.3 | 6:26 | 6:44 |
| 5 | 12.3 | 6:27 | 6:43 |
| 6 | 12.3 | 6:27 | 6:42 |
| 7 | 12.2 | 6:27 | 6:41 |
| 8 | 12.2 | 6:27 | 6:40 |
| 9 | 12.2 | 6:27 | 6:40 |
| 10 | 12.2 | 6:27 | 6:39 |
| 11 | 12.2 | 6:27 | 6:38 |
| 12 | 12.2 | 6:27 | 6:37 |
| 13 | 12.1 | 6:28 | 6:36 |
| 14 | 12.1 | 6:28 | 6:35 |
| 15 | 12.1 | 6:28 | 6:34 |
| 16 | 12.1 | 6:28 | 6:34 |
| 17 | 12.1 | 6:28 | 6:33 |
| 18 | 12.1 | 6:28 | 6:32 |
| 19 | 12.0 | 6:28 | 6:31 |
| 20 | 12.0 | 6:28 | 6:30 |
| 21 | 12.0 | 6:28 | 6:29 |
| 22 | 12.0 | 6:29 | 6:28 |
| 23 | 12.0 | 6:29 | 6:28 |
| 24 | 12.0 | 6:29 | 6:27 |
| 25 | 11.9 | 6:29 | 6:26 |
| 26 | 11.9 | 6:29 | 6:25 |
| 27 | 11.9 | 6:29 | 6:24 |
| 28 | 11.9 | 6:29 | 6:23 |
| 29 | 11.9 | 6:30 | 6:22 |
| 30 | 11.9 | 6:30 | 6:22 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 4.62 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 4.62 kWh/m² to a high of 7.22 kWh/m² in April across the year — September's 4.62 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.6 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.8 | Bright |
| 2 | 4.8 | Bright |
| 3 | 4.8 | Bright |
| 4 | 4.8 | Bright |
| 5 | 4.8 | Bright |
| 6 | 4.8 | Bright |
| 7 | 4.8 | Bright |
| 8 | 4.8 | Bright |
| 9 | 4.7 | Bright |
| 10 | 4.7 | Bright |
| 11 | 4.7 | Bright |
| 12 | 4.7 | Bright |
| 13 | 4.7 | Bright |
| 14 | 4.7 | Bright |
| 15 | 4.7 | Bright |
| 16 | 4.6 | Bright |
| 17 | 4.6 | Bright |
| 18 | 4.6 | Bright |
| 19 | 4.6 | Bright |
| 20 | 4.6 | Bright |
| 21 | 4.6 | Bright |
| 22 | 4.5 | Bright |
| 23 | 4.5 | Bright |
| 24 | 4.5 | Bright |
| 25 | 4.5 | Bright |
| 26 | 4.5 | Bright |
| 27 | 4.5 | Bright |
| 28 | 4.5 | Bright |
| 29 | 4.5 | Bright |
| 30 | 4.6 | Bright |
Hazard calendar for Ayutla de los Libres
In September, Ayutla de los Libres sits inside its pacific hurricane and monsoon season. The full year is below, with each hazard's peak months called out.
Ayutla de los Libres sits in the eastern Pacific hurricane zone; the season peaks August–September.
Ayutla de los Libres's monsoon runs June–October, when most of the year's rain falls.
Is September a good time to visit Ayutla de los Libres?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a weaker month for outdoor sightseeing in Ayutla de los Libres.
What to pack for Ayutla de los Libres in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Ayutla de los Libres sees daytime highs around 27°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.
Sea temperature near Ayutla de los Libres in September
The nearest coast averages about 30°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 38 km away) is warmest in August at about 31°C and coldest in March 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 | 28 | 29 | 30 | 30 | 31 | 30 | 30 | 30 | 29 |
| Comfort | Tropical | Tropical | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 28 | Tropical |
| Mar | 28 | Warm |
| Apr | 28 | Warm |
| May | 29 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 31 | Tropical |
| Sep | 30 | Tropical |
| Oct | 30 | Tropical |
| Nov | 30 | Tropical |
| Dec | 29 | Tropical |
UV index in Ayutla de los Libres in September
Clear-sky midday UV in September peaks 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 Ayutla de los Libres peaks around March 24 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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) | 9 | 11 | 12 | 12 | 10 | 11 | 11 | 12 | 11 | 10 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 11 | Extreme |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 10 | Very high |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | Very high |
Air quality in Ayutla de los Libres in September
Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.
Air quality in Ayutla de los Libres is worst in May — around 37 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (February, 10 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 | 10 | 13 | 26 | 37 | 16 | 15 | 14 | 15 | 18 | 14 | 13 |
| Level | Good | Good | Moderate | Moderate | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 10 | Good |
| Mar | 13 | Moderate |
| Apr | 26 | Moderate |
| May | 37 | Poor |
| Jun | 16 | Moderate |
| Jul | 15 | Moderate |
| Aug | 14 | Moderate |
| Sep | 15 | Moderate |
| Oct | 18 | Moderate |
| Nov | 14 | Moderate |
| Dec | 13 | Moderate |
Where is Ayutla de los Libres?
Ayutla de los Libres sits at 17.0°N, 99.1°W, 376 m above sea level, in Mexico. The nearest listed city is Chilapa de Álvarez, 71 km away.
Topography around Ayutla de los Libres
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ayutla de los Libres.
Within 3 km, the terrain around Ayutla de los Libres has significant variations in elevation — a maximum elevation change of 389 m around an average of 398 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,566 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,970 m.
The land around Ayutla de los Libres is covered by trees (52%) and grassland (38%) within 3 km, trees (68%) and grassland (24%) within 16 km, and trees (59%) 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 Ayutla de los Libres (16.9638°, -99.0962°, elevation 376 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).