Where Is Hot in September from Buenos Aires? 2026
30 warm destinations have direct flights from Buenos Aires in September. Porto Seguro has the best overall weather. Cordoba has the lowest fares from €42.
|
Porto Seguro
Brazil
|
24°C | 3h 40m | €445 | €25/night | 23 |
|
Salvador
Brazil
|
25°C | 4h 20m | €441 | €26/night | 40 |
|
Lima
Peru
|
20°C | 4h 20m | €275 | €29/night | 111 |
|
Recife
Brazil
|
26°C | 5h | €520 | €23/night | 71 |
|
Corrientes
Argentina
|
20°C | 1h 20m | €118 | €23/night | 85 |
|
Formosa
Argentina
|
22°C | 1h 40m | €138 | €20/night | 97 |
|
Salta
Argentina
|
19°C | 1h 40m | €87 | €24/night | 112 |
|
Puerto Iguazu
Argentina
|
22°C | 1h 40m | €56 | €31/night | 113 |
|
Natal
Brazil
|
27°C | 5h 20m | €489 | €21/night | 45 |
|
La Rioja
Argentina
|
20°C | 1h 40m | €140 | €22/night | 112 |
|
Brasilia
Brazil
|
27°C | 3h 20m | €497 | €25/night | 50 |
|
San Miguel de Tucuman
Argentina
|
21°C | 1h 40m | €60 | €31/night | 111 |
|
Santa Fe
Argentina
|
18°C | €126 | €80/night | 86 | |
|
San Salvador de Jujuy
Argentina
|
19°C | 1h 40m | €159 | €21/night | 111 |
|
Fortaleza
Brazil
|
28°C | 5h 20m | €596 | €26/night | 9 |
|
Asuncion
Paraguay
|
23°C | 1h 40m | €195 | €30/night | 111 |
|
Posadas
Argentina
|
20°C | 1h 20m | €117 | €21/night | 112 |
|
Santiago
Chile
|
17°C | 1h 40m | €143 | €40/night | 122 |
|
Cordoba
Argentina
|
19°C | 1h 20m | €42 | €31/night | 113 |
|
Santiago del Estero
Argentina
|
22°C | 1h 40m | €151 | €26/night | 95 |
|
Sao Paulo
Brazil
|
21°C | 2h 20m | €371 | €25/night | 117 |
|
Florianopolis
Brazil
|
20°C | 1h 40m | €314 | €25/night | 113 |
|
Catamarca
Argentina
|
21°C | 1h 40m | €153 | €27/night | 111 |
|
Porto Alegre
Brazil
|
19°C | 1h 20m | €326 | €22/night | 109 |
|
Mendoza
Argentina
|
16°C | 1h 40m | €62 | €25/night | 111 |
|
Rosario
Argentina
|
18°C | €105 | €27/night | 112 | |
|
San Juan
Argentina
|
18°C | 1h 40m | €128 | €89/night | 114 |
|
Santa Cruz
Bolivia
|
28°C | 2h 40m | €389 | €61/night | 12 |
|
Rio Cuarto
Argentina
|
17°C | 1h | €158 | €31/night | 48 |
|
San Luis
Argentina
|
17°C | 1h 20m | €130 | €65/night | 112 |
Temperatures are historical averages for September. Prices updated 9 Sep 2026.
Warmest destinations from Buenos Aires in September
The warmest places to fly to directly from Buenos Aires in September, ranked by average daytime temperature. All destinations average 18°C or above and are reachable on a direct flight.
Porto Seguro
24°C avg daytime
From €445 return
3h 40m direct
23 trips available
Salvador
25°C avg daytime
From €441 return
4h 20m direct
40 trips available
Lima
20°C avg daytime
From €275 return
4h 20m direct
111 trips available
Recife
26°C avg daytime
From €520 return
5h direct
71 trips available
Corrientes
20°C avg daytime
From €118 return
1h 20m direct
85 trips available
Frequently Asked Questions
Where is hot in September from Buenos Aires?
There are 30 warm destinations reachable by direct flight from Buenos Aires in September. Porto Seguro is among the top picks, with average daytime temperatures around 24°C.
Which is the warmest place to fly to from Buenos Aires in September?
Santa Cruz is typically the warmest destination reachable by direct flight from Buenos Aires in September, averaging around 28°C during the day.
What is the cheapest warm holiday from Buenos Aires in September?
Cordoba is among the cheapest warm destinations from Buenos Aires in September, with return fares from around €42.
How does FairFareFinder calculate the best destinations for September?
FairFareFinder uses live flight and hotel price data combined with historical weather averages to rank destinations. Temperatures shown for dates beyond 14 days ahead are historical averages for September, not live forecasts. Prices are updated approximately every 6 hours.
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