Temperature
Hot by day, mild at night.
88°Ftypical September high
Typical range
September climate
September in Monterrey
Mexico · North America
Hot afternoons and plenty of sun. Storm-season showers are the main drawback.
Some tradeoffs
Warm nights can feel muggy.
Daytime high
88°F
Lows around 71°F
Rain
Several rainy days
Sun
10 h/day
Air feel
Humid
When to visit
Month-by-month fit
Best
Precipitation
Several rainy days. About 10 wet days, the highest monthly average.
33%wet-day frequency
AmountWet-day chance
Sunshine
Plenty of sun this month.
10.2 hSeptember sunshine
Heat & humidity by month
Warm days, with humid periods.
75%September Heat feel
Easy airWarm airHot airHumid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 90° and nights feel near 77°.
ColdCoolComfortableWarmHotNight hours
Clear sky
Partly cloudy skies this month.
51%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
4 mphSeptember Calm
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 87°F, easing to about 83°F in early evening.
Avg temp Typical range
Morning76°F
Feels 80°F
Rain17%
Cloud50%
Humid airHigh
Sun intensityLow
Best windowMidday84°F
Feels 88°F
Rain25%
Cloud46%
Humid airHigh
Sun intensityStrong
Late afternoon87°F
Feels 89°F
Rain27%
Cloud50%
Humid airHigh
Sun intensityStrong
Early evening83°F
Feels 86°F
Rain22%
Cloud51%
Humid airHigh
Sun intensityMinimal
Data tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 70 | 49 | 1.1 | 6 | 8.6 | 65 |
| Feb | 75 | 53 | 1.2 | 5 | 9.3 | 64 |
| Mar | 81 | 58 | 1.7 | 7 | 10.2 | 63 |
| Apr | 86 | 64 | 1.7 | 7 | 11.0 | 63 |
| May | 91 | 70 | 1.9 | 7 | 11.8 | 66 |
| Jun | 93 | 73 | 1.6 | 5 | 12.3 | 65 |
| Jul | 94 | 73 | 1.9 | 5 | 12.1 | 62 |
| Aug | 94 | 74 | 1.0 | 4 | 12.0 | 60 |
| Sep | 88 | 71 | 4.5 | 10 | 10.2 | 71 |
| Oct | 83 | 65 | 2.4 | 7 | 9.9 | 71 |
| Nov | 76 | 57 | 1.6 | 6 | 9.4 | 71 |
| Dec | 71 | 51 | 1.1 | 5 | 8.8 | 67 |
Similar climates
Similar
Similar travel styleHong KongChinaSimilar travel styleAustinUnited StatesSimilar travel styleDallasUnited StatesSimilar travel styleGuadalajaraMexico
Want a side-by-side climate view? Compare Monterrey with Hong Kong.
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