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HomeWeather news → Heavy Rainfall Forecasted for Nassau on September 21, 2026
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Heavy Rainfall Forecasted for Nassau on September 21, 2026

September 21, 2026 · wweather1 editorial · 1 min read

An automatic weather alert indicates that Nassau is expected to experience a high-severity rainfall event on September 21, 2026. The forecasted precipitation levels are projected to significantly exceed the standard safety threshold.

According to automated forecast data from wweather1.com, a high-severity rain event is projected for the city of Nassau, Bahamas, starting on September 21, 2026.

The system triggered an automatic alert after the forecast showed a precipitation value of 109.65 mm. This forecasted volume is significantly higher than the regional threshold of 30 mm.

The alert was generated directly from wweather1.com's own forecasting data, which identified that the expected precipitation levels would cross the safety threshold on the specified date.

Why it is dangerous and what to do

⚠️ Safety
• Avoid traveling through flooded streets and low-lying areas.
• Stay indoors during periods of intense rainfall.
• Monitor local announcements and weather updates for safety instructions.
📊 The numbers, from wweather1 data
Nassau: now +25°, Overcast.
That is 1° above the September climate norm.
The record for this date is +32° (2022).
Three-day forecast: 21 September: +30°/+24° · 22 September: +30°/+24° · 23 September: +29°/+26°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates.

🌍 Weather in nearby cities

📰 Data source: wweather1. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.

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