2026, September
September 17, 2026
Climate Bulletin for Sri Lanka (Week of 18 – 28 Sep 2026)
Rainfall: After a dry week, rainfall picked up on 13 Sep with daily average reaching 16 mm. However, Southwest areas received heavy rainfall with Galle...
September 17, 2026
Weekly Air Quality in Selected Towns of Sri Lanka ( 7 – 13 September 2026)
From 07–13 September, air quality across Sri Lanka was generally in the ‘Good’ to ‘Moderate’ range. Air masses entered Sri Lanka mainly from the...
September 10, 2026
Climate Bulletin for Sri Lanka (Week of 11 – 21 Sep 2026)
SL received above average rainfall (for September) from 1-9 Sep, with daily rainfall averages ranging from 4-9 mm. During 2-8 Sep, the average daily...
September 8, 2026
Weekly Air Quality in Selected Towns of Sri Lanka ( 31 August – 06 September 2026)
From 31 August–06 September, ‘Good’ and ‘Moderate’ air quality conditions were observed across Sri Lanka. Air masses entered Sri Lanka mainly from...
September 4, 2026
Climate Bulletin for Sri Lanka (Week of 3 – 14 Sep 2026)
Monitoring: Rainfall: SL was relatively dry from 10-31 Aug with daily rainfall averaged over the island ranging from 1-5 mm. During 26 Aug - 1 Sep, the...