# SRI LANKA WEATHER FORECAST FOR 15 SEPTEMBER 2026

- Link: https://www.weather.lk/sri-lanka-weather-forecast-for-15-september-2026/
- Published: 2026-09-14T19:13:32+05:30
- Author: WeatherLK

**Sri Lanka Weather Forecast for 15 September 2026**

A low-level atmospheric disturbance continues to persist in the vicinity of Sri 
Lanka, bringing unsettled weather conditions to several parts of the country on 
15 September. Cloudy skies and showers or thundershowers are expected at times in
the Western, Central, Sabaragamuwa, Southern and Uva provinces, as well as in the
Batticaloa and Ampara districts. **Heavy rainfall exceeding 100 mm is likely at 
some locations**, particularly in areas affected by the disturbance.

Showers or thundershowers are also expected at several places elsewhere on the island
after 1.00 p.m. The public is advised to take adequate precautions against temporary
localized strong winds and lightning during thundershowers.

![](https://meteo.gov.lk/gifs/analysis1.gif?t=1789393165595)

**Sea Areas Around Sri Lanka**

Showers or thundershowers may occur at several places in the sea areas extending
from Kankasanthurai to Hambantota via Puttalam, Colombo and Galle. A few showers
or thundershowers may also develop in other sea areas during the evening or night.

South-westerly winds will prevail at speeds of **30–40 kmph**, while speeds may 
increase up to **50 kmph** at times in the sea areas from Colombo to Pottuvil via
Galle, Matara and Hambantota.

Wave heights in these areas may increase to around **2.0–2.5 metres**, resulting
in rough sea conditions. Naval and fishing communities engaged in marine activities
are advised to remain vigilant and closely follow future weather updates.

![](https://meteo.gov.lk/gifs/marine1.gif?t=1789393220404)