Home → Weather news → High Rain Forecasted for Galle, Sri Lanka on September 20, 2026
High Rain Forecasted for Galle, Sri Lanka on September 20, 2026
An automated alert from wweather1.com forecasts high rainfall for Galle, Sri Lanka, on September 20, 2026. The expected precipitation exceeds the established alert threshold.
An automated alert generated by wweather1.com indicates a high-severity rainfall event for Galle, Sri Lanka. The event is set for September 20, 2026, beginning at 00:00:00.000Z.
According to the forecast data, precipitation levels in Galle are expected to reach 35.3 mm. This projected amount crosses the alert monitoring threshold set at 30 mm.
The system issued the automatic notification directly from wweather1.com forecast metrics after detecting that the expected rainfall value crossed the designated threshold for the region.
Why it is dangerous and what to do
⚠️ Safety
• Monitor local weather advisories for updates throughout the day.
• Exercise caution when driving or traveling through low-lying areas.
• Ensure household drainage channels are clear of debris to prevent minor flooding.
📊 The numbers, from wweather1 data
Galle: now +25°, Drizzle.
The record for this date is +30° (2025).
Three-day forecast: 19 September: +30°/+26° · 20 September: +28°/+25° · 21 September: +28°/+24°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates. 🌍 Weather in nearby cities
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+25°
Coimbatore
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+24°
Kallakurichi
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Madurai
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Tirunelveli
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Teni
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📰 Data source: wweather1. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.