Monthly climate guide
Puerto Natales weather in September
September in Puerto Natales is typically cold, with average daytime highs around 5°C (41°F) and night-time lows near -1°C (31°F). The month usually brings about 62 mm of rain (some rain) and is often cloudy. Daytime highs are 2°C warmer than August and 2°C cooler than October.
What stands out in September
- Mornings start cold: the average low is -1°C, and frost is common.
- Days and nights are close, only about 6°C apart.
- Puerto Natales is usually about 2°C cooler than Punta Arenas, 190 km away, in September.
- In Puerto Natales, September is early spring — the seasons are reversed south of the equator.
It's usually the driest month of the year.
Avg high
5°C
41°F
Avg low
-1°C
31°F
Rainfall
62 mm
some rain
Humidity
87%
relative
Sky
77%
cloud · often cloudy
Puerto Natales weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 11°C / 53°F | 4°C / 40°F | 88 mm | 82% | 82% |
| February | 12°C / 53°F | 4°C / 39°F | 74 mm | 83% | 80% |
| March | 10°C / 50°F | 4°C / 39°F | 83 mm | 85% | 82% |
| April | 8°C / 46°F | 2°C / 35°F | 84 mm | 89% | 77% |
| May | 5°C / 40°F | 0°C / 32°F | 88 mm | 92% | 74% |
| June | 2°C / 35°F | -2°C / 28°F | 87 mm | 94% | 75% |
| July | 1°C / 34°F | -3°C / 27°F | 79 mm | 93% | 75% |
| August | 3°C / 37°F | -2°C / 28°F | 74 mm | 91% | 76% |
| September | 5°C / 41°F | -1°C / 31°F | 62 mm | 87% | 77% |
| October | 8°C / 46°F | 1°C / 33°F | 68 mm | 84% | 79% |
| November | 9°C / 49°F | 2°C / 36°F | 79 mm | 82% | 83% |
| December | 11°C / 51°F | 3°C / 38°F | 93 mm | 82% | 83% |
What to pack for September
- A proper insulated winter coat
- A hat, scarf and gloves
- Thermal base layers and warm, grippy boots for icy mornings
- A small travel umbrella, just in case
Is September a good time to visit Puerto Natales?
Compare the months in the chart above to find your ideal window.
Best time to visit Puerto Natales →Other Chile cities in September
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Puerto Natales weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/chile/puerto-natales/september
<a href="https://weathercompare.eu/weather/chile/puerto-natales/september">Puerto Natales weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/chile/puerto-natales" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Puerto Natales weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/chile/puerto-natales/september">Puerto Natales weather in September</a> – WeatherCompare</p>
Puerto Natales in September: quick answers
Is September a good time to visit Puerto Natales?
September is cool in Puerto Natales, with highs around 5°C. Better for museums and city walks than the beach, and usually quieter.
How warm is Puerto Natales in September?
Average highs are about 5°C (41°F) and average lows about -1°C (31°F), based on 10 years of daily data.
Does it rain a lot in Puerto Natales in September?
Puerto Natales typically gets around 62 mm of rain in September — some rain. It's usually the driest month of the year.
Figures are long-term averages for the area around Puerto Natales (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.