Temperature
Warm by day, warm at night.
82°Ftypical September high
Typical range
September climate
September in Huatulco
Mexico · North America
Not the best time: Hurricane risk near peak and humid air are the main limitations.
Not an ideal month
Daytime high
82°F
Lows around 74°F
Rain
Rain most days
Sun
3 h/day
Air feel
Very humid
Sea temp
86°F
Very warm sea
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days, with a mix of brief and longer spells. About 26 wet days, the highest monthly average.
87%wet-day frequency
AmountWet-day chance
Sunshine
Sunshine is limited, with cloud often dominating.
3.1 hSeptember sunshine
Heat & humidity by month
Very humid air is a major factor this month.
71%September Heat feel
Easy airWarm airHot airHumid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 94° and nights feel near 87°.
WarmHotSwelteringNight hours
Clear sky
Mostly cloudy skies this month.
22%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
4 mphSeptember Calm
Sea temperature
86°FSeptember sea temp
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 84°F, easing to about 82°F in early evening.
Avg temp Typical range
Morning82°F
Feels 90°F
Rain41%
Cloud81%
Humid airVery high
Sun intensityLow
Midday84°F
Feels 94°F
Rain71%
Cloud84%
Humid airVery high
Sun intensityStrong
Late afternoon84°F
Feels 93°F
Rain68%
Cloud86%
Humid airVery high
Sun intensityModerate
Early evening82°F
Feels 91°F
Rain50%
Cloud86%
Humid airVery high
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 84 | 71 | 0.6 | 3 | 8.5 | 72 | 81 |
| Feb | 85 | 71 | 0.4 | 3 | 9.1 | 70 | 82 |
| Mar | 86 | 72 | 0.7 | 4 | 9.3 | 70 | 83 |
| Apr | 87 | 74 | 1.0 | 5 | 9.3 | 72 | 84 |
| May | 85 | 75 | 6.1 | 18 | 6.2 | 77 | 86 |
| Jun | 83 | 75 | 16.5 | 24 | 3.7 | 82 | 86 |
| Jul | 84 | 75 | 10.6 | 24 | 4.0 | 81 | 86 |
| Aug | 83 | 75 | 13.0 | 26 | 3.8 | 82 | 87 |
| Sep | 82 | 74 | 20.8 | 26 | 3.1 | 83 | 86 |
| Oct | 83 | 74 | 15.8 | 24 | 4.8 | 83 | 85 |
| Nov | 83 | 73 | 4.2 | 12 | 7.4 | 78 | 84 |
| Dec | 83 | 71 | 0.9 | 5 | 8.0 | 76 | 82 |
Similar climates
Similar
Similar travel styleKauaiUnited StatesSimilar travel styleCancúnMexicoSimilar travel styleNassauBahamasSimilar travel styleBridgetownBarbados
Want a side-by-side climate view? Compare Huatulco with Kauai.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 11, 2026
Data & methodology