Overview
- The Safdarjung observatory logged a minimum of 21.0°C on Sunday, the second-lowest September minimum since 2001 and about 2.9°C below the seasonal average, IMD data show.
- The city received roughly 5 mm of rain overnight, with Safdarjung reporting 4.9 mm and other stations such as the Ridge and Lodi Road recording light spells during the same period.
- The IMD cautioned there is a low probability of brief thunderstorms, lightning and strong winds of 30–40 kmph with gusts up to about 50 kmph overnight while forecasting maximums to climb back into the low-to-mid 30s over the coming days.
- Delhi’s air quality improved to the ‘satisfactory’ band with AQI readings around 53–54, an improvement linked to the rains and reported by the Sameer App and the CPCB category scale.
- The cool spell follows an early monsoon withdrawal from Delhi on September 23 and a season total of 728.6 mm of rain between June 1 and September 23, which the IMD classifies as a 16% surplus but still within the agency’s normal range.