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Hourly Forecast
Daylight Hours
05:25
Sunrise
17:23
Sunset
Moon
Waxing Gibbous
16:48
Moonrise
04:21
Moonset
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View stargazing scoreWeather in Buenos Aires today, September 25, 2026
Buenos Aires looks damp on September 25, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Wetter spells lean into the morning, when rain odds reach about 100% near 10:00. Skies look heaviest around 00:00, with cover close to 91%.
Expect highs of 28°C and cooler readings close to 23°C. Expect humidity between 88% and 97%, most humid near 15:00. A lighter breeze peaks around 12:00 near 2.7 km/h.
The second half of the day still looks unsettled, with rain probability around 100% by 12:00. Dense cloud near 100% at 18:00 keeps the feel grey. Horizontal visibility sits around 9.2 km, briefly nearer 0.2 km. Daylight runs from 05:25 to 17:23, lasting 11 hours 57 minutes of sunlight today.
Overall, Buenos Aires on September 25, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 100% and the high sits around 28°C.
Frequently asked questions about weather in Buenos Aires
How warm does it get in Buenos Aires?
The warmest month in Buenos Aires is May, with average high temperatures of 25°C. The average temperature during this period is around 20°C.
How cold does it get in Buenos Aires?
The coldest month in Buenos Aires is January, with average low temperatures of 15°C. The average temperature during this period is around 19°C.
What is the wettest time of year in Buenos Aires?
The wettest month in Buenos Aires is October, with an average of 511mm of precipitation.
What is the driest time of year in Buenos Aires?
The driest month in Buenos Aires is February, with an average of 35mm of precipitation.
