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High Rainfall Forecasted for Medan on September 11, 2026
An automatic weather alert has been issued for Medan, Indonesia, warning of high rainfall on September 11, 2026. The predicted precipitation is expected to exceed the established safety threshold.
According to automated forecast data from wweather1.com, a high-severity rain event is projected for the city of Medan, Indonesia. The event is scheduled to start on September 11, 2026.
Meteorological data shows that the forecasted precipitation value has reached 38.8 mm. This measurement crosses the designated regional threshold of 30 mm.
The warning was triggered automatically by the forecasting system of wweather1.com when the projected precipitation values exceeded the safety parameters.
Why it is dangerous and what to do
⚠️ Safety
• Monitor local weather updates and advisories regularly.
• Avoid traveling through low-lying areas prone to water accumulation.
• Ensure drainage systems around your property are clear of debris.
📊 The numbers, from wweather1 data
Medan: now +24°, Rain showers.
That is 3° above the September climate norm.
The record for this date is +34° (1949).
Three-day forecast: 11 September: +32°/+24° · 12 September: +30°/+24° · 13 September: +31°/+23°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates. 🌍 Weather in nearby cities
Singapore
now
☁️
+26°
Medan
now
🌦️
+24°
Kuala Lumpur
now
🌦️
+24°
Pekanbaru
now
🌦️
+25°
Batam
now
☁️
+27°
George Town
now
🌦️
+25°
📰 Data source: wweather1. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.