Puerto San Julián Weather in September

September in Puerto San Julián typically sees daytime highs of 12°C (54°F) and nighttime lows of 4°C (39°F). Expect some rainfall during the month.

Rainfall in Puerto San Julián in September

Records from the past 30 years suggest around 3 days of rain, with 18 mm (0.7 in) average for the month. The occasional light shower is possible, but rain is rarely an issue this month.

Temperature in Puerto San Julián in September

Puerto San Julián in September gets highs of 12°C (54°F) during the day and drops to 4°C (39°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Puerto San Julián in September

You can expect a moderate amount of sunlight, with approximately 166 hours. This means a pleasant mix of sun and overcast.

Wind Speed in Puerto San Julián 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.

Average water temperature in September

With water temperatures around 6°C (43°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

Should you favor a climate that's both dry and comfortably warm, January, February, March, November and December typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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• 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 Argentina, check out our Puerto San Julián's climate page.

Puerto San Julián Temperature in September

Min Temperature 4°C (39°F)  

Max Temperature 12°C (54°F)  

Water Temperature 6°C (43°F)  

Chance of Rain 10%  

Precipitation 18 mm (0.7 in)  

Rainy days 3 days  

Humidity 62%  

Windspeed 4 m/s (8 knots)  

Sunshine 166 hours  

Percentage Sunshine  

What to Wear in Puerto San Julián in September

The weather can swing between comfortable and chilly in September, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Dry conditions mean you won't need to worry about rain protection. The water temperature sits at about 6°C (43°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Puerto San Julián in September

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

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

5/10

Outdoor sports

6/10

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 Argentina, check out our Puerto San Julián's climate page.

More climate data for Puerto San Julián

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Puerto San Julián climate overview or explore weather in Argentina.