New Delhi Weather in September
September in New Delhi brings very high temperatures around 35°C (95°F) during the day, dropping to 26°C (79°F) at night, with quite a bit of rainfall expected, averaging around 100 mm (3.9 in) for the month.
Rainfall in New Delhi in September
You can expect rain on around 4 days based on historical patterns, with 100 mm (3.9 in) average for the month. When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.
Temperature in New Delhi in September
If you're visiting New Delhi in September, expect highs of 35°C (95°F) and overnight lows around 26°C (79°F). Mornings and evenings are often more comfortable than the peak afternoon hours. Nights are warm at 26°C (79°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in New Delhi in September
The days are predominantly sunny, with an estimated total of around 220 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in New Delhi in September
Wind speeds average 2 m/s (4 knots) during September. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.September in New Delhi has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit India, check out our New Delhi's climate page.
New Delhi Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
35°C (95°F)
Chance of Rain
13%
Precipitation
100 mm (3.9 in)
Rainy days
4 days
Humidity
59%
Windspeed
2 m/s (4 knots)
Sunshine
220 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in New Delhi typically stay consistent throughout September, with daily highs averaging around 35°C (95°F). Nights are warm, with lows typically ranging from 24°C (75°F) to 27°C (81°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for New Delhi in September
Browse day-by-day weather records for New Delhi spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
New Delhi historical weather extremes in September
The extremes listed below come from historical weather data collected in New Delhi from 1976 through 2025.
- On September 2, 2005, temperatures climbed to 40°C (104°F), marking the warmest September day on record.
- On September 27, 1986, New Delhi saw its coldest September day with temperatures maxing out at 23°C (73°F).
- Nighttime temperatures dropped to 20°C (68°F) on September 20, 2008, marking the coldest September night on record.
Best Places in India in September
Find out more about the weather in India and which places have the best travel conditions in this month. See all of India in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in New Delhi in September
Hot weather in September means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in New Delhi in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit India, check out our New Delhi's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full New Delhi climate overview or explore weather in India.
