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.
September in Caleta Olivia brings moderate temperatures, with daytime highs of 15°C (59°F) and nights around 5°C (41°F). Expect around 19 mm (0.7 in) of rainfall during the month.
If you prefer dry days with pleasant temperatures, January, February, March, April, October, November and December typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Pick a month to see the average temperature, rainfall and sunshine in Caleta Olivia - and find the best time to visit.
Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in September →
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).
Pack for changing conditions in Caleta Olivia in September. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. With minimal rainfall expected, you can leave the rain gear at home. Bring sunglasses since you'll have some sunny periods throughout the month
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Caleta Olivia climate overview or explore weather in Argentina.
Where to go in September - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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.
Warm Days, Cool Nights: 8 Destinations With the Perfect Day-Night Temperature
Prefer warm sunny days but cool evenings? Compare eight destinations with daytime temperatures of around 25–30°C, cooler nights, low rainfall and plenty of sunshine.
Be amazed by Buenos Aires
The city of beautiful museums, cute streets, green parks, lots of good food, interesting local neighborhoods and impressive historical buildings.
Argentina in November: Where to Go for the Best Weather
Compare November weather in Mendoza, Buenos Aires, Cafayate, Bariloche and Ushuaia to find Argentina's warmest, sunniest and driest places.