See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:43
Sunrise
18:42
Sunset
Moon
Waxing Gibbous
13:04
Moonrise
02:56
Moonset
Daily Forecast
Today
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Air Quality Data Available
Upgrade to access real-time air quality data for Bella Unión.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Bella Unión.
View stargazing scoreWeather in Bella Unión today, September 20, 2026
Bella Unión looks damp on September 20, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly.
The day peaks near 28°C and cools toward 17°C. The air stays humid, with relative humidity between 57% and 98% and the peak around 23:00. Winds stay light, near 5.1 km/h by 15:00, so the day feels still more than breezy.
Afternoon showers stay in play, peaking near 88% around 22:00. Skies remain cluttered, with cover about 100% by 15:00. Horizontal visibility sits around 14.8 km, briefly nearer 4.3 km. Sunrise is at 06:43 and sunset at 18:42, giving 11 hours 59 minutes of sunlight today.
In short, treat September 20, 2026 in Bella Unión as a damp day: pack covers, watch the wetter hours, and expect a high near 28°C.
Frequently asked questions about weather in Bella Unión
How warm does it get in Bella Unión?
The warmest month in Bella Unión is January, with average high temperatures of 32°C. The average temperature during this period is around 26°C.
How cold does it get in Bella Unión?
The coldest month in Bella Unión is July, with average low temperatures of 9°C. The average temperature during this period is around 14°C.
What is the wettest time of year in Bella Unión?
The wettest month in Bella Unión is April, with an average of 147mm of precipitation.
What is the driest time of year in Bella Unión?
The driest month in Bella Unión is July, with an average of 67mm of precipitation.
