India, Oct. 9 -- This September was the third-warmest September globally, with an average surface air temperature of 16.11 degrees C, 0.66 degree C above the 1991-2020 average for September, Copernicus Climate Change Service (C3S), the EU monitor, said on Thursday.

This September was the 9th warmest for India in terms of mean temperature and 5th warmest in terms of night temperatures. Over east and northeast India it was the third warmest, as per India Meteorological Department.

This September was 1.47 degrees C warmer than pre-industrial levels or the average for the 1850-1900 period. The 12-month average temperature from October 2024 to September 2025 was 0.63degC above the 1991-2020 average, and 1.51 degrees C above the pre-industria...