Monthly climate guide
Punta Arenas weather in September
With highs near 7°C (44°F) and lows around 2°C (36°F), September feels cold in Punta Arenas. Rainfall averages about 31 mm (fairly dry) and the sky is often cloudy. Daytime highs are 2°C warmer than August and 2°C cooler than October.
What stands out in September
- There's little difference between day and night (around 5°C).
- Seasonally, September counts as early spring in Punta Arenas — the seasons are reversed south of the equator.
- Just 190 km apart, but Punta Arenas runs about 2°C warmer than Puerto Natales this month.
It's usually the driest month of the year.
Avg high
7°C
44°F
Avg low
2°C
36°F
Rainfall
31 mm
fairly dry
Humidity
82%
relative
Sky
77%
cloud · often cloudy
Punta Arenas weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 13°C / 55°F | 7°C / 45°F | 51 mm | 76% | 84% |
| February | 13°C / 55°F | 7°C / 45°F | 44 mm | 77% | 81% |
| March | 12°C / 53°F | 7°C / 44°F | 56 mm | 80% | 82% |
| April | 9°C / 48°F | 5°C / 40°F | 53 mm | 84% | 77% |
| May | 7°C / 44°F | 3°C / 38°F | 56 mm | 89% | 76% |
| June | 5°C / 40°F | 2°C / 35°F | 48 mm | 89% | 74% |
| July | 4°C / 39°F | 1°C / 34°F | 47 mm | 89% | 77% |
| August | 5°C / 41°F | 1°C / 34°F | 40 mm | 86% | 76% |
| September | 7°C / 44°F | 2°C / 36°F | 31 mm | 82% | 77% |
| October | 9°C / 48°F | 4°C / 38°F | 33 mm | 78% | 79% |
| November | 11°C / 51°F | 5°C / 41°F | 41 mm | 76% | 84% |
| December | 12°C / 53°F | 6°C / 43°F | 51 mm | 76% | 83% |
What to pack for September
- A proper insulated winter coat
- A hat, scarf and gloves
Is September a good time to visit Punta Arenas?
Compare the months in the chart above to find your ideal window.
Best time to visit Punta Arenas →Other Chile cities in September
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Punta Arenas weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/chile/punta-arenas/september
<a href="https://weathercompare.eu/weather/chile/punta-arenas/september">Punta Arenas weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/chile/punta-arenas" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Punta Arenas weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/chile/punta-arenas/september">Punta Arenas weather in September</a> – WeatherCompare</p>
Punta Arenas in September: quick answers
Is September a good time to visit Punta Arenas?
September is cool in Punta Arenas, with highs around 7°C. Better for museums and city walks than the beach, and usually quieter.
How warm is Punta Arenas in September?
Average highs are about 7°C (44°F) and average lows about 2°C (36°F), based on 10 years of daily data.
Does it rain a lot in Punta Arenas in September?
Punta Arenas typically gets around 31 mm of rain in September — fairly dry. It's usually the driest month of the year.
Figures are long-term averages for the area around Punta Arenas (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.