Temperature in San Juan Province in September

Daytime highs, nighttime lows and the warmest cities in San Juan Province, Argentina this September.

San Juan Province, Argentina, a region in Argentina, experiences maximum daytime temperatures in September ranging from 15°C (59°F) in Barreal to 23°C (73°F) in San Juan. Nighttime temperatures generally drop to 8°C (46°F) in San Juan and -1°C (30°F) in Barreal.

What is the temperature of the different cities in San Juan Province, Argentina in September?

Explore the map below to discover average September temperatures at the top destinations in San Juan Province. For a deeper dive, simply click on any destination dot.

Select a Month

Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit San Juan Province, check out our San Juan Province's climate page.

See also: San Juan Province weather by month.

Best Places to Visit in San Juan Province in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across San Juan Province.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

See all September weather averages, cities and regions in San Juan Province

San Juan Province temperatures in September: frequently asked questions

How hot does it get in San Juan Province, Argentina in September?

Expect daytime temperatures around 23°C (73°F) in San Juan. That makes September a high month for San Juan Province, Argentina.

How cold does it get at night in San Juan Province, Argentina in September?

Average overnight lows in San Juan Province, Argentina during September sit near 8°C (46°F) in San Juan.

What is the warmest city in September in San Juan Province, Argentina?

From a thorough analysis of our records, San Juan clearly dominates in terms of high temperatures. The city witnesses daytime temperatures hovering around 23°C (73°F), and evenings that remain near 8°C (46°F).

What is the coldest city in September in San Juan Province, Argentina?

According to our data, Barreal holds the title for the coldest city in San Juan Province, Argentina in September. It experiences maximum temperatures of approximately 15°C (59°F) and drops to lows of about -1°C (30°F) during the night.

How much sun does San Juan Province, Argentina get in September?

San Juan usually sees around 263 hours of sunlight, indicating many sunny days.

Interested in more climate information?

We have much more information about the climate in San Juan Province.

Weather and climate has detailed information for every country in the world. Are you going to Argentina? Get detailed historical weather averages for many cities in Argentina.

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