What September feels like in Delhi
September is early autumn in Delhi. Expect proper heat in the afternoon — slow down between noon and four. Evenings bring a clear drop in temperature, and nights stay warm. High humidity makes the heat feel heavier and sticky, especially on still afternoons.
Rain in Delhi in September
Showers are a regular feature, arriving about one day in 3. Rainy days are intense, averaging about 9.7 mm (0.4 in) — downpours rather than drizzle. That is close to Delhi's typical rain per wet day for the whole year (about 8.3 mm). It is among the three wettest months of the year.
Daylight and sunshine in September
In mid-September, sunrise is at about 6:06 am and sunset at about 6:28 pm (local time) — 12 h 22 min of daylight. Evenings are drawing in — 50 min less daylight than mid-August. The sun is out for roughly 82% of those daylight hours, so skies are mostly clear.
How September compares to the rest of the year
In Delhi's temperature order, September sits as the 5th warmest month. It is about as warm as August, with 62 mm less rain. October is cooler again. By October, typical highs are 32°C (89.6°F).
Who September suits
- Sightseeing: less ideal — midday heat makes long walks hard.
- Parks & outdoor: less ideal — afternoons are too warm to linger outside.
- Museums & indoor: a good choice — a cool break during the hottest hours.
Tips for visiting Delhi in September
Rain Protection
A compact umbrella and a light waterproof jacket.
Sun Protection
Loose, breathable clothing plus sunscreen and a wide-brimmed hat.
Quick questions
How warm is Delhi in September?
It feels hot: typical highs are 32.7°C (90.9°F), with lows near 24.5°C (76.1°F).
Does it rain a lot in Delhi in September?
It does: about 11 rainy days bring roughly 106 mm, so plan some indoor options.
What should I wear in Delhi in September?
Based on the averages: rain protection and sun protection. There is little need to change for the evening.
Is September or October better for visiting Delhi?
October, clearly: it ranks #5 of 12 among Delhi's months, against #9 for the other. October has fewer rainy days.