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Federación in September sees high temperatures, with highs around 23°C (73°F) and overnight lows of 11°C (52°F). Rainfall is fairly high at around 101 mm (4 in) on average, so pack waterproofs just in case.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. August typically offers the best weather for Federación.
Pick a month to see the average temperature, rainfall and sunshine in Federación - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Federación typically rise from around 20°C (68°F) at the start of September to approximately 23°C (73°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 12°C (54°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Federación spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in Federación between 1976 and 2026, these are the recorded extremes during September.
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).
For Federación in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Federación 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.
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