An automatic weather alert indicates high rainfall levels in Kathmandu on September 1, 2026. Forecasted precipitation of 33.2 mm has exceeded the standard threshold of 30 mm.
An automatic rain alert was triggered for Kathmandu on September 1, 2026, based on weather forecast data. The forecast model recorded a predicted precipitation level of 33.2 mm for the area.
This predicted value crossed the predefined system threshold of 30 mm, classifying the event severity as high. The event start time was registered at 00:00:00 UTC on September 1, 2026.
The event notification was generated automatically by the wweather1.com system following data evaluation of its internal forecast metrics.
Why it is dangerous and what to do
⚠️ Safety
• Monitor local weather updates and official advisories for changing conditions.
• Avoid traveling through flooded streets or low-lying areas.
• Ensure outdoor items are secured and drainage paths remain unobstructed.
📊 The numbers, from wweather1 data
Kathmandu: now +22°, Thunderstorm.
That is 1° above the September climate norm.
The record for this date is +29° (2020).
Three-day forecast: 1 September: +26°/+21° · 2 September: +28°/+20° · 3 September: +27°/+20°
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.