Temperature
Pleasant by day, brisk at night.
70°Ftypical September high
Typical range
September climate
September in Mendoza
Argentina · South America
Mild days with cool nights and plenty of sun.
Good overall
Daytime high
70°F
Lows around 47°F
Rain
A few rainy days
Sun
10 h/day
Air feel
Very dry
When to visit
Month-by-month fit
Best
Precipitation
A few rainy days. About 5 wet days, fewer than in most months.
17%wet-day frequency
AmountWet-day chance
Sunshine
Plenty of sun this month.
10.2 hSeptember sunshine
Heat & humidity by month
Very drySeptember Heat feel
Easy airWarm airHot airHumid air
Hourly temperature pattern
In September, afternoons feel about 61° and nights feel near 44°.
Very coldColdCoolComfortableWarmHotNight hours
Clear sky
Mostly clear skies this month.
70%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
5 mphSeptember Calm
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 68°F, easing to about 63°F in early evening.
Avg temp Typical range
Morning54°F
Rain10%
Cloud30%
Humid airLow
Sun intensityLow
Midday65°F
Rain8%
Cloud30%
Humid airLow
Sun intensityStrong
Late afternoon68°F
Rain6%
Cloud31%
Humid airLow
Sun intensityStrong
Early evening63°F
Rain7%
Cloud29%
Humid airLow
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 89 | 67 | 2.2 | 9 | 12.8 | 49 |
| Feb | 86 | 65 | 2.3 | 8 | 11.8 | 54 |
| Mar | 80 | 60 | 2.6 | 8 | 10.3 | 61 |
| Apr | 72 | 53 | 1.8 | 6 | 9.2 | 64 |
| May | 64 | 46 | 1.4 | 6 | 8.3 | 66 |
| Jun | 59 | 40 | 0.9 | 4 | 8.4 | 62 |
| Jul | 59 | 38 | 0.8 | 4 | 8.9 | 57 |
| Aug | 64 | 42 | 1.2 | 5 | 9.8 | 52 |
| Sep | 70 | 47 | 1.3 | 5 | 10.2 | 49 |
| Oct | 76 | 54 | 2.3 | 8 | 11.4 | 48 |
| Nov | 83 | 59 | 2.1 | 8 | 12.4 | 45 |
| Dec | 87 | 64 | 2.1 | 8 | 13.0 | 45 |
Similar climates
Similar
Similar travel styleSantiagoChileSimilar travel styleIstanbulTurkeySimilar travel styleFlorenceItalySimilar travel styleSan Miguel de AllendeMexico
Want a side-by-side climate view? Compare Mendoza with Santiago.
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