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HomeWeather news → High Rainfall Forecasted for Apia, WS on September 19, 2026
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High Rainfall Forecasted for Apia, WS on September 19, 2026

September 18, 2026 · wweather1 editorial · 1 min read

An automatic weather alert has been issued for Apia, WS, as forecast data indicates high rainfall levels expected on September 19, 2026. The predicted precipitation is projected to cross the established safety threshold.

According to automated forecast data from wweather1.com, the city of Apia in WS is expected to experience high-severity rainfall on September 19, 2026. The automatic alert was generated to begin at 00:00:00 UTC.

Weather models predict precipitation levels will reach 37.5 mm. This forecasted amount exceeds the established metric threshold of 30 mm, initiating the automatic high-severity rain alert.

This report is based entirely on wweather1.com's own automated forecast data. Residents in the affected area are advised that the forecast value has crossed the designated threshold.

Why it is dangerous and what to do

⚠️ Safety
• Monitor local weather updates and alerts for changes in conditions.
• Avoid driving or walking through areas accumulated with heavy rainwater.
• Clear outdoor drains and gutters of debris to prevent localized pooling.
• Keep emergency contact details easily accessible.
📊 The numbers, from wweather1 data
Apia: now +24°, Overcast.
That is 3° below the September climate norm.
The record for this date is +31° (1990).
Three-day forecast: 18 September: +29°/+24° · 19 September: +26°/+24° · 20 September: +29°/+23°
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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