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Weather in September in San Juan Province

Are you planning a trip a to San Juan Province in September and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in San Juan Province in September?

San Juan Province is a region in Argentina. September in San Juan Province generally has temperatures that range from mild to warm, with low precipitation.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is mild in Barreal at 15°C to warm in San Juan at 23°C. Nighttime temperatures generally drop to 8°C in San Juan and -1°C in Barreal.

Precipitation

In September, precipitation varies across different areas. From low rainfall in San Juan with an average of 24 mm to low rainfall in Barreal with 29 mm.

Average sunshine

The days are mostly sunny, with an average total of around 263 hours of sunshine in San Juan. The sunlight during this month doesn't just make the days brighter, it also seems to make everyone a bit more cheerful.

For specific regional insights in San Juan Province for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our San Juan Province climate page.

Where to go in San Juan Province in September

Find more information for the most popular destinations in the San Juan Province on the map below. Click on a destination dot for more detailes.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in September for the 3 most popular destinations in San Juan Province?

San Juan

In September San Juan generally has high temperatures with maximum daytime temperatures around 23°C, minimum nighttime temperatures around 8°C and low monthly rainfall. So on average the conditions are perfect that month.

San Juan
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
21°C 
4°C 
255 hours 
14 mm 
a single day 
23°C 
8°C 
263 hours 
24 mm 
2 days 
October   >> October
>>  
27°C 
12°C 
305 hours 
32 mm 
2 days 
Climate in San Juan

Barreal

In September Barreal generally has moderate temperatures with maximum daytime temperatures around 15°C, minimum nighttime temperatures around -1°C and low monthly snow/rainfall. So on average the conditions are pleasant that month.

Barreal
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
12°C 
-3°C 
26 mm 
2 days 
15°C 
-1°C 
29 mm 
4 days 
October   >> October
>>  
19°C 
3°C 
28 mm 
4 days 
Climate in Barreal

San Agustín de Valle Fértil

In September San Agustín de Valle Fértil generally has pleasant temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 9°C and low monthly rainfall. So on average the conditions are perfect that month.

San Agustín de Valle Fértil
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
19°C 
5°C 
11 mm 
a single day 
22°C 
9°C 
25 mm 
2 days 
October   >> October
>>  
25°C 
12°C 
41 mm 
2 days 
Climate in San Agustín de Valle Fértil

Is your destination not in the list? Have a look at other destinations in San Juan Province, in Argentina.

Is September the best time to visit San Juan Province?

We consider September to be one of the best times to travel to San Juan Province. Typically, the climate in San Juan is perfect. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in March, April, May, June, July, August, September and October offering mostly perfect weather in San Juan.

Interested in more climate information?

We have much more information about the climate in San Juan Province. Interested in the weather conditions in a specific month? Select the month below.

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  • 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.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.