# SRI LANKA WEATHER FORECAST FOR 17 SEPTEMBER 2026

- Link: https://www.weather.lk/sri-lanka-weather-forecast-for-17-september-2026/
- Published: 2026-09-16T21:10:07+05:30
- Author: Weather LK

Sri Lanka is expected to experience rainy and unsettled weather conditions in several
parts of the country on **Thursday, 17 September 2026**, according to the latest
weather forecast.

Showers will occur at times in the **Western, Sabaragamuwa and Southern provinces**,
bringing periods of rain to several areas. The **North Western Province** is also
expected to receive several spells of showers. Similar conditions are forecast for
the **Kandy and Nuwara-Eliya districts**, where residents and motorists should be
prepared for occasional wet weather.

In the **Uva and Eastern provinces**, showers or thundershowers are expected at 
several places, particularly **after 1.00 p.m.** The **Mullaittivu and Polonnaruwa
districts** may also experience showers or thundershowers during the afternoon. 
Thunderstorms could be accompanied by temporarily strong winds and lightning.

The public is advised to take adequate precautions during thundershowers to reduce
the risk of damage caused by **localized strong winds and lightning**. People in
affected areas should remain alert when thunderstorms develop, particularly during
afternoon and evening hours.

![](https://meteo.gov.lk/gifs/analysis1.gif?t=1789572986605)

Sea Areas Around Sri Lanka

Similar unsettled conditions are expected in the surrounding sea areas during the
next 24 hours. **Showers or thundershowers will occur at times** in the sea areas
extending from **Negombo to Hambantota via Colombo and Galle**. A few other sea 
areas may also experience showers or thundershowers during the evening or night.

Winds will be mainly **south-westerly**, with speeds of around **25–35 kmph**. Wind
speeds may temporarily increase up to **50 kmph** in the sea areas extending from**
Galle to Pottuvil via Matara and Hambantota**.

The sea in this southern and southeastern coastal belt is expected to be **fairly
rough at times**. During thundershowers, temporarily strong gusty winds and **very
rough seas** may occur.

The public and sea users are advised to remain cautious and follow the latest weather
updates, especially when thunderstorms or strong winds are observed.

![](https://meteo.gov.lk/gifs/marine1.gif?t=1789573098900)