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High Rainfall Forecast for Managua on September 21, 2026
Automated forecast data indicates high rainfall in Managua on September 21, 2026, with expected precipitation reaching 44.6 mm. This value exceeds the standard alert threshold.
An automated alert generated by wweather1.com indicates high-severity rain forecast for Managua, Nicaragua, starting at 00:00:00.000Z on September 21, 2026.
The forecast metric projects precipitation of 44.6 mm for the area on September 21. This surpasses the system's threshold set at 30 mm.
The notification was produced automatically from internal wweather1.com forecast data after the expected rainfall crossed the designated alert threshold.
Why it is dangerous and what to do
⚠️ Safety
• Monitor local weather updates for potential changes in the forecast.
• Avoid driving or walking through areas prone to flooding.
• Ensure home gutters and drainage channels are clear of debris.
📊 The numbers, from wweather1 data
Managua: now +24°, Rain showers.
That is 3° below the September climate norm.
The record for this date is +33° (2009).
Three-day forecast: 21 September: +28°/+24° · 22 September: +28°/+24° · 23 September: +30°/+24°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates. 🌍 Weather in nearby cities
Guatemala City
now
☁️
+17°
Managua
now
🌦️
+24°
Tegucigalpa
now
🌦️
+20°
San Salvador
now
🌦️
+22°
San José
now
☁️
+19°
San Andrés
now
☁️
+27°
📰 Data source: wweather1. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.