Month guide · Mendoza · Argentina
Mendoza in September
What September is really like in Mendoza: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Pictured: Luján de Cuyo wineries, Mendoza · Photo: Silviaanac, CC BY-SA 4.0
Quick answer
September is a good-value shoulder-season month. Expect average highs of 20°C (68°F), lows of 7°C (45°F), about 2 rainy days and roughly 11.9 hours of daylight. Spring arrives and vines start to bud; mild days and quiet wineries.
Key facts
- Average high / low
- 20°C (68°F) / 7°C (45°F)
- Rainy days
- About 2
- Daylight
- About 11.9 hours
- Crowds
- Quiet
- Hotel prices
- Low
Plan a trip to Mendoza
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Weather in September
September is the 8th-warmest month in Mendoza: days average 20°C (68°F) against a yearly average high of 23°C (73°F), and nights fall to about 7°C (45°F). Rain falls on roughly 2 of its 30 days. Compared with August (17°C (63°F)), September is warmer; by October highs climb to around 25°C (77°F).
- Sunrise (15 September)
- About 07:34
- Sunset (15 September)
- About 19:27
- Daylight
- About 11.9 hours
Autumn (March–May). Harvest, the Vendimia festival and golden vineyards with warm days and cool nights; the most popular season, so book wineries and hotels ahead.
Crowds and prices
On a 1–5 scale, September rates 2 for crowds (the peak is March at 5) and 2 for hotel prices (highest in March). That makes September one of the better-value months to book.
Events in September
September has no major recurring festival in Mendoza, which usually means easier bookings.
What to do in September
Mild, settled days suit walking, viewpoints and time outdoors.
Museum · Quinta Sección and Arístides Villanueva
Museo de Ciencias Naturales Juan Cornelio Moyano
Pair it with a walk around the park lake; it is a good choice for a hot afternoon or a rare rainy day.
- Time needed
- 1–1.5 hours
- Cost
- Low cost
- Kids
- Rainy day
- History
- Nature
Experience · Maipú
Olive-oil tasting in Maipú
Maipú is also Mendoza's olive country, and several producers along the bike route explain pressing and serve tastings of extra-virgin oils, tapenades and preserves.
- Time needed
- 45 minutes
- Cost
- Low cost
- Food
- Kids
- Shopping
Park · Quinta Sección and Arístides Villanueva
Parque General San Martín
Rent a bike near the main gates and ride the loop around the lake and up towards Cerro de la Gloria.
- Time needed
- 2–3 hours
- Cost
- Free
- Free
- Outdoors
- Kids
- Nature
- Active
Viewpoint · Quinta Sección and Arístides Villanueva
Cerro de la Gloria
A hill at the western end of Parque General San Martín crowned by the bronze Monument to the Army of the Andes, commemorating General San Martín's 1817 crossing of the Andes to free Chile and Peru.
- Time needed
- 1 hour
- Cost
- Free
- Free
- Views
- History
- Photo spot
What to pack
For highs near 20°C (68°F), lows near 7°C (45°F) and 2 wet days: light layers for the day and a light jacket for the evening; comfortable walking shoes.
Is September a good time to visit Mendoza?
A good-value shoulder-season month. If your dates are flexible, March–May and October–November are better overall. Compare every month.
Mendoza in other months
Questions travellers ask
+What time does the sun set in Mendoza in September?
At about 19:27 local time in mid-September, with sunrise at about 07:34: roughly 11.9 hours of daylight.
+How warm is Mendoza in September?
Average highs are around 20°C (68°F) and lows around 7°C (45°F).
+Does it rain a lot in Mendoza in September?
Expect rain on about 2 days of the month, so it is usually dry.