Temperature
Hot by day, warm at night.
87°Ftypical September high
Typical range
September climate
September in Puerto Vallarta
Mexico · North America
September is among the hottest months, with some of the year’s highest rainfall totals and muggy conditions.
Wet but workable
Daytime high
87°F
Lows around 79°F
Rain
Rain most days
Sun
8.5 h/day
Air feel
Very humid
Sea temp
85°F
Great for swimming
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days. About 28 wet days, the highest monthly average.
93%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
8.4 hSeptember sunshine
Heat & humidity by month
Very humid air is a major factor this month.
94%September Heat feel
Easy airWarm airHot airHumid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 97° and nights feel near 90°.
ComfortableWarmHotSwelteringNight hours
Clear sky
Overcast skies this month.
18%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
3 mphSeptember Calm
Sea temperature
85°FSeptember sea temp
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 86°F, easing to about 84°F in early evening.
Avg temp Typical range
Morning82°F
Feels 92°F
Rain26%
Cloud72%
Humid airVery high
Sun intensityLow
Best windowMidday86°F
Feels 97°F
Rain57%
Cloud73%
Humid airVery high
Sun intensityStrong
Late afternoon86°F
Feels 97°F
Rain82%
Cloud85%
Humid airVery high
Sun intensityModerate
Early evening84°F
Feels 95°F
Rain59%
Cloud89%
Humid airVery high
Sun intensityMinimal
Data tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 80 | 67 | 0.6 | 3 | 9.7 | 82 | 77 |
| Feb | 80 | 67 | 0.9 | 2 | 10.5 | 80 | 76 |
| Mar | 81 | 68 | 0.3 | 1 | 11.4 | 78 | 76 |
| Apr | 83 | 70 | 0.1 | 0 | 11.7 | 77 | 77 |
| May | 86 | 74 | 0.3 | 1 | 11.9 | 76 | 79 |
| Jun | 87 | 78 | 7.1 | 16 | 10.3 | 82 | 81 |
| Jul | 88 | 79 | 10.4 | 27 | 9.3 | 83 | 84 |
| Aug | 88 | 79 | 13.0 | 28 | 8.9 | 84 | 86 |
| Sep | 87 | 79 | 13.0 | 28 | 8.4 | 86 | 85 |
| Oct | 87 | 78 | 6.2 | 18 | 9.9 | 85 | 85 |
| Nov | 85 | 73 | 1.1 | 4 | 10.2 | 83 | 83 |
| Dec | 81 | 69 | 0.8 | 2 | 9.6 | 83 | 80 |
Similar climates
Similar
Similar travel styleMazatlanMexicoSimilar travel styleHavanaCubaSimilar travel styleEnglish HarbourAntigua and BarbudaSimilar travel styleGrenadaGrenada
Want a side-by-side climate view? Compare Puerto Vallarta with Mazatlan.
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 1, 2026
Data & methodology