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High-Severity Rain Alert Issued for Sanya
An automatic weather alert indicates heavy rainfall in Sanya, China, on September 13, 2026. Predicted precipitation levels have crossed the standard alert threshold.
An automatic high-severity rain alert has been generated for the city of Sanya, China, for September 13, 2026.
According to forecast data from wweather1.com, precipitation levels are expected to reach 58.1 mm. This figure surpasses the system's defined warning threshold of 30 mm.
The alert event was recorded as starting at 00:00 UTC on September 13, 2026, triggered automatically when the forecast metric exceeded the established threshold.
Why it is dangerous and what to do
⚠️ Safety
• Stay indoors and avoid unnecessary travel during intense rainfall.
• Do not walk, swim, or drive through flooded areas.
• Monitor local weather updates for potential changes in conditions.
📊 The numbers, from wweather1 data
Sanya: now +24°, Thunderstorm.
That is 3° below the September climate norm.
The record for this date is +32° (2017).
Three-day forecast: 12 September: +25°/+24° · 13 September: +26°/+24° · 14 September: +26°/+24°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates. 🌍 Weather in nearby cities
Shenzhen
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+25°
Guangzhou
now
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+26°
Dongguan
now
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Foshan
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Hanoi
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Hong Kong
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📰 Data source: wweather1. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.