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Iruya Weather in September
September in Iruya brings moderate temperatures, with highs of 17°C (63°F) and nights dropping to 3°C (37°F). Expect some rainfall, with around 52 mm (2 in) typical for the month.
Rainfall in Iruya in September
Rain is expected on roughly 2 days, totalling around 52 mm (2 in) for the month. If rain does fall, it tends to arrive as a fairly heavy shower rather than light drizzle.
Temperature in Iruya in September
September in Iruya brings typical temperatures with highs around 17°C (63°F) and lows of 3°C (37°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 3°C (37°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 your ideal day consists of dry skies and pleasant temperatures, June, July and August typically offer the best circumstances for Iruya.
Iruya Temperature in September
Min Temperature
3°C (37°F)
Max Temperature
17°C (63°F)
Chance of Rain
5%
Precipitation
52 mm (2 in)
Rainy days
2 days
Iruya Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Iruya - and find the best time to visit.
Historical weather records for Iruya in September
Browse day-by-day weather records for Iruya spanning 21 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Iruya historical weather extremes in September
The extremes listed below come from historical weather data collected in Iruya from 2006 through 2025.
- The hottest September day on record in Iruya reached 26°C (79°F) (September 12, 2016).
- The lowest daytime temperature in September was 6°C (43°F), recorded on September 14, 2020.
- Iruya registered its coldest September night on September 30, 2022, with temperatures dropping to -5°C (23°F).
- Peak precipitation in September occurred on September 14, 2020, when 19 mm (0.7 in) of precipitation was measured.
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 Iruya 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.
What To Do in Iruya in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports10/10
Iruya 3-Day Forecast
More climate data for Iruya
See the full Iruya 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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