India's 2026 southwest monsoon ends at 87 per cent of the long period average, the lowest since 2015

30 September 2026

The India Meteorological Department's end-of-season figures put the June to September 2026 southwest monsoon rainfall at 759.4 mm against a long period average of 868.6 mm.
That is 87 per cent of the long period average, a deficit of about 13 per cent, and the lowest seasonal rainfall since 2015.
It is the fourth-lowest monsoon since 2001 and the thirteenth-lowest since 1901.
East and Northeast India recorded 1,017 mm, or 74 per cent of its average, the region's lowest monsoon rainfall since 1901, while the South Peninsula got 542 mm, or 76 per cent.
Northwest India was at 94 per cent and Central India at 97 per cent of their averages.
Of the 36 meteorological subdivisions, 18 had normal rainfall, 17 were deficient and Odisha alone was in the excess category.
June was the weakest month at 65 per cent of normal, July was at 101 per cent, August at 84 per cent and September at 92 per cent.