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San Fernando del Valle de Catamarca Weather in September
San Fernando del Valle de Catamarca in September sees pleasant daytime temperatures of 22°C (72°F) and nighttime lows of 7°C (45°F). Moderate rainfall is typical, with around 37 mm (1.5 in) for the month.
Rainfall in San Fernando del Valle de Catamarca in September
Historically, the month has about 3 days of rain, averaging 37 mm (1.5 in) in total. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.
Temperature in San Fernando del Valle de Catamarca in September
The excellent temperature in San Fernando del Valle de Catamarca in September makes it a solid month to visit, with 22°C (72°F) during the day and 7°C (45°F) at night. The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 7°C (45°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
San Fernando del Valle de Catamarca Temperature in September
Min Temperature
7°C (45°F)
Max Temperature
22°C (72°F)
Chance of Rain
10%
Precipitation
37 mm (1.5 in)
Rainy days
3 days
Humidity
44%
San Fernando del Valle de Catamarca Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Fernando del Valle de Catamarca - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in San Fernando del Valle de Catamarca typically rise from around 24°C (75°F) at the start of September to approximately 28°C (82°F) by the end. Nights are cool, with lows typically ranging from 8°C (46°F) to 14°C (57°F).
Average temperatures in September
Daily Historical Precipitation
50-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 San Fernando del Valle de Catamarca in September
Browse day-by-day weather records for San Fernando del Valle de Catamarca spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Fernando del Valle de Catamarca historical weather extremes in September
Based on 50 years of weather observations in San Fernando del Valle de Catamarca between 1976 and 2026, these are the recorded extremes.
- The lowest overnight temperature recorded in September was -2°C (28°F) (September 2, 2018).
Best Places in Argentina in 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
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 San Fernando del Valle de Catamarca in September
For San Fernando del Valle de Catamarca 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. Some rain is possible, so pack something to handle light showers.
What To Do in San Fernando del Valle de Catamarca in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Camping5/10 -
Outdoor sports10/10
San Fernando del Valle de Catamarca 3-Day Forecast
More climate data for San Fernando del Valle de Catamarca
See the full San Fernando del Valle de Catamarca climate overview or explore weather in Argentina.
Popular in September
Where to go in September - average daytime high across popular destinations.
Córdoba
23°C (73°F) Salta21°C (70°F) Mendoza20°C (68°F) Buenos Aires
20°C (68°F) Mar del Plata16°C (61°F) San Martín de los Andes
8°C (46°F) San Carlos de Bariloche8°C (46°F) Bucket list
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