The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
Santa Cruz Weather in September
Santa Cruz in September sees pleasant daytime temperatures of 19°C (66°F) and nighttime lows of 7°C (45°F). Moderate rainfall is typical, with around 55 mm (2.2 in) for the month.
Rainfall in Santa Cruz in September
Past climate data indicates that roughly 4 days will see rain, totalling around 55 mm (2.2 in) for the month. Showers tend to be short but heavy rather than persistent drizzle. When it rains, it usually means it, but it doesn't last long.
Temperature in Santa Cruz in September
In September, Santa Cruz gets pleasant temperatures, with highs of 19°C (66°F). Nights cool to around 7°C (45°F). The difference between afternoon and evening temperatures is usually noticeable. At 7°C (45°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Santa Cruz in September
The area experiences a moderate amount of sunshine, with approximately 161 hours of sunlight expected. This means a decent mix of sun and overcast.If your ideal day consists of dry skies and pleasant temperatures, March, April, October, November and December typically offer the best circumstances for Santa Cruz.
Santa Cruz Temperature in September
Min Temperature
7°C (45°F)
Max Temperature
19°C (66°F)
Chance of Rain
14%
Precipitation
55 mm (2.2 in)
Rainy days
4 days
Humidity
83% *
Sunshine
161 hours *
Percentage Sunshine
*
* Data from: Curicó, Chile (29 KM, 18 Miles).
Santa Cruz Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Santa Cruz - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Santa Cruz typically stay consistent throughout September, with daily highs averaging around 19°C (66°F). Nights are cold, with lows typically ranging from 6°C (43°F) to 9°C (48°F).
Average temperatures in September
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Santa Cruz in September
Browse day-by-day weather records for Santa Cruz spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Santa Cruz historical weather extremes in September
Our historical data for Santa Cruz spans 2004 to 2026, revealing these weather extremes.
- The warmest day in September was on September 24, 2013, with a maximum of 27°C (81°F).
- The coldest September day was on September 13, 2013, with a maximum of 9°C (48°F).
- Santa Cruz registered its coldest September night on September 3, 2019, with temperatures dropping to -1°C (30°F).
Best Places in Chile in September
Find out more about the weather in Chile and which places have the best travel conditions in this month. See all of Chile in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Santa Cruz in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Santa Cruz in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming6/10 -
Cycling10/10 -
Walking10/10 -
Barbeque7/10 -
Camping4/10 -
Outdoor sports10/10
Santa Cruz 3-Day Forecast
More climate data for Santa Cruz
Temperature Rainfall Sunshine Humidity
See the full Santa Cruz climate overview or explore weather in Chile.
Popular in September
Where to go in September - average daytime high across popular destinations.
San Pedro de Atacama
21°C (70°F) Hanga Roa
21°C (70°F) La Serena19°C (66°F) Santiago18°C (64°F) Viña del Mar16°C (61°F) Concón16°C (61°F) Valparaíso15°C (59°F) Pucón
13°C (55°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most alternative cities in South America
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