Temperature
Pleasant by day, brisk at night.
70°Ftypical September high
Typical range
September climate
September in San Cristobal de las Casas
Mexico · Central America
Not the best time: Heavier storm-season rain is the main limitation.
Not an ideal month
Daytime high
70°F
Lows around 55°F
Rain
Rain most days
Sun
9 h/day
Air feel
Comfortable
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days, including some longer spells. About 27 wet days, the highest monthly average.
90%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
9.1 hSeptember sunshine
Heat & humidity by month
ComfortableSeptember
Easy airWarm air
Hourly temperature pattern
In September, afternoons feel about 68° and nights feel near 56°.
ColdCoolComfortableNight hours
Clear sky
Overcast skies this month.
15%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
2 mphSeptember Calm
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 66°F, easing to about 62°F in early evening.
Avg temp Typical range
Morning61°F
Rain27%
Cloud78%
Humid airLow
Sun intensityLow
Best windowMidday69°F
Rain77%
Cloud81%
Humid airLow
Sun intensityStrong
Late afternoon66°F
Rain85%
Cloud88%
Humid airLow
Sun intensityModerate
Early evening61°F
Rain59%
Cloud88%
Humid airLow
Sun intensityMinimal
Data tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 69 | 48 | 0.4 | 3 | 10.6 | 69 |
| Feb | 72 | 49 | 0.4 | 2 | 10.8 | 64 |
| Mar | 74 | 51 | 0.5 | 3 | 11.3 | 61 |
| Apr | 76 | 53 | 1.8 | 9 | 11.8 | 63 |
| May | 74 | 55 | 8.4 | 20 | 11.1 | 73 |
| Jun | 71 | 55 | 19.0 | 26 | 9.5 | 83 |
| Jul | 71 | 54 | 12.1 | 22 | 10.5 | 80 |
| Aug | 71 | 54 | 14.0 | 24 | 10.1 | 81 |
| Sep | 70 | 55 | 17.7 | 27 | 9.1 | 85 |
| Oct | 69 | 54 | 9.1 | 18 | 9.7 | 81 |
| Nov | 68 | 51 | 2.3 | 8 | 10.1 | 76 |
| Dec | 68 | 48 | 0.7 | 3 | 10.2 | 72 |
Similar climates
Similar
Similar travel stylePanajachelGuatemalaSimilar travel styleDubrovnikCroatiaSimilar travel styleKathmanduNepalSimilar travel styleGreenvilleUnited States
Want a side-by-side climate view? Compare San Cristobal de las Casas with Panajachel.
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