See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
25°
Overcast
Feels Like: 24°
Min: 23°
Max: 33°
The next few hours will be overcast, with today reaching 33°C and dropping to 22°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:17
Sunrise
18:16
Sunset
Moon
Waxing Crescent
10:14
Moonrise
22:08
Moonset
Daily Forecast
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Thursday
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Air Quality Data Available
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UV Index
Humidity
Weather in La Unión today, September 16, 2026
Cloud cover dominates in La Unión on September 16, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. Cloud leads the morning, peaking close to 100% near 08:00. Sunshine has little room until later in the day.
The temperature range runs from about 23°C up to 33°C. Relative humidity sits between 43% and 76%, reaching its peak around 08:00. Airflow remains manageable, reaching about 6.4 km/h around 16:00.
Afternoon skies stay clogged, peaking close to 100% near 12:00. The grey theme continues rather than clearing out. Views remain open at about 16.1 km. Expect sunrise at 06:17, sunset at 18:16, and 11 hours 58 minutes of sunlight today overall.
Overall, La Unión on September 16, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 33°C.
Frequently asked questions about weather in La Unión
How warm does it get in La Unión?
The warmest month in La Unión is March, with average high temperatures of 32°C. The average temperature during this period is around 27°C.
How cold does it get in La Unión?
The coldest month in La Unión is September, with average low temperatures of 17°C. The average temperature during this period is around 20°C.
What is the wettest time of year in La Unión?
The wettest month in La Unión is March, with an average of 75mm of precipitation.
What is the driest time of year in La Unión?
The driest month in La Unión is July, with an average of 1mm of precipitation.
