Punta Arenas weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Poor
Best time to visit: September – February
What is the weather like in Punta Arenas in September?
In September, Punta Arenas is cold: daytime highs average 8 °C, and nights cool down to about 2 °C. The sea averages 5.9 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 41 mm in total. It is often windy, with gusts of around 30 km/h. All in all, September is not an ideal month for a holiday in Punta Arenas.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 11 | 17 | 17 |
| Day | 6° | 8° | 9° |
| Night | 1° | 2° | 4° |
| Sea | 6° | 6° | 6° |
| Sun | 4 h | 5 h | 7 h |
| Rain days | 12 | 11 | 14 |
More details for September
- Daylight
- 11 h 35 min07:51 – 19:27
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 30 km/haverage daily peakAll months
- Cloud cover
- 65 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−3America/Punta_Arenas
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %32 %
- Few rainy daysweight 20 %53 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in September
- Warm jacket
- Rain jacket or umbrella
- Windproof jacket
Punta Arenas in September: quick answers
Is Punta Arenas hot in September?
No. In September, Punta Arenas is cold: daytime highs average 8 °C and nights drop to about 2 °C.
Can you swim in Punta Arenas in September?
Only if you don't mind cold water: in September the sea averages just 5.9 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Punta Arenas in September?
Rain is frequent, with about 11 rainy days and 41 mm in total.
Punta Arenas month by month
The whole year in Punta ArenasAll destinations: ChileWhere to go in SeptemberSea temperature in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences