Monthly climate guide
San Miguel de Tucumán weather in September
September in San Miguel de Tucumán is typically hot, with average daytime highs around 30°C (86°F) and night-time lows near 14°C (56°F). The month usually brings about 14 mm of rain (very dry) and is a mix of sun and cloud. Daytime highs are 4°C warmer than August and 3°C cooler than October.
What stands out in September
- Expect a big gap between day and night — about 16°C.
- September brings early spring to San Miguel de Tucumán — the seasons are reversed south of the equator.
- San Miguel de Tucumán is usually about 13°C warmer than Cafayate, 110 km away, in September.
- It's one of the drier months, with about 82% less rain than San Miguel de Tucumán's average.
Avg high
30°C
86°F
Avg low
14°C
56°F
Rainfall
14 mm
very dry
Humidity
43%
relative
Sky
37%
cloud · a mix of sun and cloud
San Miguel de Tucumán weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 33°C / 92°F | 22°C / 71°F | 199 mm | 65% | 65% |
| February | 32°C / 89°F | 21°C / 70°F | 169 mm | 70% | 66% |
| March | 30°C / 85°F | 19°C / 65°F | 113 mm | 72% | 57% |
| April | 28°C / 82°F | 16°C / 61°F | 90 mm | 73% | 53% |
| May | 25°C / 76°F | 13°C / 55°F | 24 mm | 72% | 49% |
| June | 22°C / 72°F | 9°C / 48°F | 30 mm | 69% | 42% |
| July | 22°C / 71°F | 8°C / 46°F | 4 mm | 63% | 41% |
| August | 26°C / 79°F | 10°C / 50°F | 10 mm | 48% | 30% |
| September | 30°C / 86°F | 14°C / 56°F | 14 mm | 43% | 37% |
| October | 33°C / 91°F | 17°C / 63°F | 49 mm | 45% | 49% |
| November | 34°C / 93°F | 19°C / 67°F | 110 mm | 53% | 53% |
| December | 35°C / 94°F | 21°C / 70°F | 142 mm | 58% | 57% |
What to pack for September
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- An extra layer — evenings are noticeably cooler than afternoons
- Sunglasses
Is September a good time to visit San Miguel de Tucumán?
Compare the months in the chart above to find your ideal window.
Best time to visit San Miguel de Tucumán →Other Argentina cities in September
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San Miguel de Tucumán weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/argentina/san-miguel-de-tucuman/september
<a href="https://weathercompare.eu/weather/argentina/san-miguel-de-tucuman/september">San Miguel de Tucumán weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/argentina/san-miguel-de-tucuman" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="San Miguel de Tucumán weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/argentina/san-miguel-de-tucuman/september">San Miguel de Tucumán weather in September</a> – WeatherCompare</p>
San Miguel de Tucumán in September: quick answers
Is September a good time to visit San Miguel de Tucumán?
September is a reasonable time for San Miguel de Tucumán: highs around 30°C and about 14 mm of rain, though not one of the three best months.
How warm is San Miguel de Tucumán in September?
Average highs are about 30°C (86°F) and average lows about 14°C (56°F), based on 10 years of daily data.
Does it rain a lot in San Miguel de Tucumán in September?
San Miguel de Tucumán typically gets around 14 mm of rain in September — very dry.
Figures are long-term averages for the area around San Miguel de Tucumán (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.