Punta Arenas Weather in September

In Punta Arenas, September brings low daytime temperatures around 9°C (48°F), with nights cooling to 3°C (37°F). It is the driest month of the year, with minimal rainfall.

Rainfall in Punta Arenas in September

Clear skies and little rain are the norm this month, even if it's not the warmest time of year. Still a good time to spend time outdoors. Typically, you can expect about 6 days of rain this month, with 48 mm (1.9 in) on average. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.

Temperature in Punta Arenas in September

In September, expect low temperatures in Punta Arenas, with highs of 9°C (48°F) and lows of 3°C (37°F) at night. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. At 3°C (37°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Punta Arenas in September

With about 145 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Wind Speed in Punta Arenas in September

September sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January and February typically offer the best weather for Punta Arenas.

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• January
• February
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• May
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• October
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• December

For a detailed overview over the year and the best time to visit Chile, check out our Punta Arenas's climate page.

Punta Arenas Temperature in September

Min Temperature 3°C (37°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 19%  

Precipitation 48 mm (1.9 in)  

Rainy days 6 days  

Humidity 78%  

Windspeed 4 m/s (8 knots)  

Sunshine 145 hours  

Percentage Sunshine  

Daily Historical Temperatures

49-year average (1976-2025)

Based on our historical records, temperatures in Punta Arenas typically stay consistent throughout September, with daily highs averaging around 9°C (48°F). Nights are cold, with lows around 2°C (36°F).

Average temperatures in September

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Daily Historical Precipitation

49-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

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Historical weather for Punta Arenas in September

Browse day-by-day weather records for Punta Arenas spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Punta Arenas historical weather extremes in September

Based on 32 years of weather observations in Punta Arenas between 1993 and 2025, these are the recorded extremes.

• Punta Arenas recorded its highest September temperature of 19°C (66°F) on September 26, 1996.
• On September 9, 2000, Punta Arenas saw its coldest September day with temperatures maxing out at 1°C (34°F).
• Punta Arenas registered its coldest September night on September 6, 2000, with temperatures dropping to -6°C (21°F).
• Peak precipitation in September occurred on September 17, 2002, when 21 mm (0.8 in) of precipitation was measured.

What to Wear in Punta Arenas in September

We recommend to layer up for chilly conditions in Punta Arenas in September. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Rain is likely on several days, so bring a good rain jacket. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Punta Arenas in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

4/10

Walking

4/10

Camping

5/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Chile, check out our Punta Arenas's climate page.

More climate data for Punta Arenas

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Punta Arenas climate overview or explore weather in Chile.