Delhi: Above Normal Monsoon Rainfall-Dry Weather Conditions Ahead

Key Takeaways:

• Delhi concluded Monsoon 2026 with 17% excess rainfall, marking the second consecutive above-normal monsoon season.
• Safdarjung recorded 733.6 mm rainfall against the normal of 629.7 mm during June-September.
• Delhi recorded a minimum of 21°C on September 27 and 29, the lowest September minimum in 18 years. NDTV Special Projects
• Mostly dry and clear post-monsoon weather is expected, with temperatures likely to rise gradually.
• Forecast Validity: Next one week.

Delhi has concluded Monsoon 2026 with above-normal rainfall. This is for the second consecutive year that the capital city defied the scare of El Niño and recorded 17% excess rainfall between June and September. Last year, the city had scored a deluge with 41% surplus rainfall during the same period. Base station Safdarjung registered 733.6 mm rainfall against the normal of 629.7 mm. Now, the monsoon has already withdrawn and mostly dry weather conditions are expected. The month of October, as such, is a fair-weather month with minimal rainfall activity.

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The second half of September had better weather conditions than the first half. The minimum temperature stayed between 27°C-28°C in the first fortnight. The mercury dropped to about 24°C-25°C in the third week. The last week of the month was one of the coolest, with the minimum temperature clocking 21°C for two successive days. The morning temperature plunged to 21°C on 27th and 29th September, the lowest in the last 18 years. The mean monthly temperature for September was 25.4°C, against the long-period average of 25°C. The mercury is expected to rise, both during the day and night, albeit remaining well within the comfort levels.

There is no active western disturbance likely for the next one week. Following the withdrawal of the monsoon, the seasonal east-west trough has already vacated this region. The anticyclonic winds are strengthening over Rajasthan and adjoining parts. Delhi and the neighbourhood will enjoy a typical post-monsoon weather pattern. Mostly clear skies, moderately strong surface winds, a mild nip in the air during early morning, and the least pollution with good visibility conditions. Yes, gradually, the winter haze is going to return, but not earlier than the latter half of October.

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