Early spring · Weather & things to do
Valle de Uco in September
Valle de Uco sees its driest month, with just 0.5 in (12 mm) of rain, highs of 70°F (21°C) and lows of 46°F (8°C).
At 88/100 for comfort (4th of 12), it's one of the best months to visit.
- Avg high
- 70°F (21°C)
- Avg low
- 46°F (8°C)
- Rain
- 0.5 in (12 mm)
- Humidity
- 41%
- Cloud cover
- 67%
- Daylight
- ~11 h 48 min
- Comfort score
- 88/100 · Great
What September feels like
Highs near 70°F (21°C) make for comfortable sightseeing weather.
Mornings start much cooler: lows average 46°F (8°C), about 13°C (23°F) below the afternoon high.
Rain is scarce: about 0.5 in (12 mm) for the whole month.
Plan around September
September is one of Valle de Uco's best months on the climate data.
- Comfort holds steady from August (88 → 88/100).
- September sits inside the Mar – May, Sep – Nov window our Buenos Aires, Mendoza & Iguazú route recommends.
What to pack for September
- A warm layer for eveningslows near 46°F
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Valle de Uco in September
September is good outdoor weather here, so these picks lean toward the open air.
Ruta del Vino del Valle de Uco
Scenic drive along Ruta 89 and Ruta 94 between vineyards, poplar rows and Andean peaks.
Why now September scores 88/100 for comfort, good conditions for being outside.
Zuccardi Valle de Uco
Stone winery in Paraje Altamira built from local rock, with tastings and the Piedra Infinita restaurant.
Bodegas Salentein
Cross-shaped winery with the Killka cultural center and art gallery, set against the Andes.
Manzano Histórico
Historic reserve in the Andes foothills marking San Martín's 1823 return, with streams and trails.
Why now Highs near 70°F and 0.5 in of monthly rain make this an easy outdoor pick.
Nearby in September
- Mendoza in September~54 mi · highs 73°F, 0.3 in rain · 2°C (3°F) warmer by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~2,486 m to Valle de Uco's ~983 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Valle de Uco in September: quick answers
Is September a good time to visit Valle de Uco?
Yes. On the climate data it's one of the best months, scoring 88/100. Expect highs of 70°F (21°C) and 0.5 in (12 mm) of rain. September is inside the Mar – May, Sep – Nov window our Buenos Aires, Mendoza & Iguazú route recommends.
How hot is Valle de Uco in September?
Average highs are 70°F (21°C) and average lows 46°F (8°C), making it the 5th-coldest month by daytime highs.
Does it rain a lot in Valle de Uco in September?
Not much: about 0.5 in (12 mm) of rain falls across September on average, the driest month of the year. The annual total is about 11.3 in (287 mm).
What should I pack for Valle de Uco in September?
Bring a warm layer for evenings (lows near 46°F) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Valle de Uco
Routes in season in September
- Buenos Aires, Mendoza & Iguazú Mar – May, Sep – Nov
Planning Valle de Uco in September?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.