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.
Los Reartes Weather in September
With daytime temperatures of 21°C (70°F) and nighttime lows of 7°C (45°F), September in Los Reartes brings pleasant temperatures during the day. The excellent weather makes it an appealing time to visit.
Rainfall in Los Reartes in September
Looking at the last 30 years, the data shows about 4 days with rain, averaging 53 mm (2.1 in) for the month. The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.
Temperature in Los Reartes in September
The excellent temperature in Los Reartes in September makes it a solid month to visit, with 21°C (70°F) during the day and 7°C (45°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. 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.
Sunshine in Los Reartes in September
The days are predominantly sunny, with an estimated total of around 214 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Los Reartes Temperature in September
Min Temperature
7°C (45°F)
Max Temperature
21°C (70°F)
Chance of Rain
13%
Precipitation
53 mm (2.1 in)
Rainy days
4 days
Humidity
56% *
Sunshine
214 hours *
Percentage Sunshine
60% *
* Data from: Córdoba, Argentina (69 KM, 42 Miles).
Los Reartes Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Los Reartes - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Los Reartes typically rise from around 21°C (70°F) at the start of September to approximately 24°C (75°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 11°C (52°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 Los Reartes in September
Browse day-by-day weather records for Los Reartes spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Los Reartes historical weather extremes in September
The extremes listed below come from historical weather data collected in Los Reartes from 1976 through 2026.
- Los Reartes recorded its highest September temperature of 40°C (104°F) on September 19, 1994.
- Nighttime temperatures dropped to -3°C (27°F) on September 24, 2013, marking the coldest September night on record.
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 Los Reartes in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Los Reartes in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping4/10 -
Outdoor sports10/10
Los Reartes 3-Day Forecast
More climate data for Los Reartes
Temperature Rainfall Sunshine Humidity
See the full Los Reartes 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
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most alternative cities in South America
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.