What is the weather like in New Delhi in September?

Expect temperatures between 25°C and 33°C with 29% average rain probability and about 8 hours of sunshine daily.

What is the weather like in New Delhi in September?

New Delhi in September scores 50/100 based on 30 years of climate data. A reasonable choice for your trip.

Who should visit New Delhi in September?

September in New Delhi is ideal for: Photographers, Business travelers.

New Delhi Weather in September | 30-Year Forecast

Avg High

33°C

Hottest around day 26

Avg Low

25°C

Coolest around day 30

Rainy Days

19days

29% avg rain chance

Sunshine

8hrs/day

Autumn season

Essential Travel Info for New Delhi

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

INR

₹ Indian rupee

Language

English

+2 more

Driving

Left side

Safety

Travel Precautions

GPI: 2.578

Travel Intelligence

Exclusive flight analytics & health data for New Delhi

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Major Hub

85/ 100

Traffic Index

Extremely busy airport

Peak Daily Arrivals

slots per day

Peak

Jan

Low

Oct

Monthly Traffic Distribution

696

Jan

682

Feb

683

Mar

672

Apr

670

May

586

Jun

579

Jul

582

Aug

593

Sep

371

Oct

690

Nov

664

Dec

Traffic Level

Low Season

Key Connections

Mumbai Chhatrapati Shivaji (BOM)

Bangalore Bengaluru (BLR)

Hyderabad Rajiv Gandhi (HYD)

Kolkata Netaji Subhash Chandra Bose (CCU)

Pune (PNQ)

Health & Safety Advisory

CDC travel health recommendations

11 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

There iselevated chikungunya riskin India.Chikungunya vaccinationmay be considered for people traveling or moving to this location if they are planning to stay for an extended period of time (for example, 6 months or more).

Cholera

Cholera ispresumed to be presentin India. Cholera is rare in travelers.Certain factorsmay increase the risk of getting cholera or having severe disease (more information). Avoiding unsafe food and water and washing your hands can also help prevent cholera.Vaccination may be considered for children and adults who are traveling to areas of active cholera transmission.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to India.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to India. Unvaccinated travelers 60 years and older may get vaccinated before traveling to India.

Japanese Encephalitis

Recommended for travelers whoAre moving to an area with Japanese encephalitis to liveSpend long periods of time, such as a month or more, in areas with Japanese encephalitisFrequently travel to areas with Japanese encephalitisConsider vaccination for travelersSpending less than a month in areas with Japanese encephalitis but will be doing activities that increase risk of infection, such as visiting rural areas, hiking or camping, or staying in places without air conditioning, screens, or bed netsGoing to areas with Japanese encephalitis who are uncertain of their activities or how long they will be thereNot recommended for travelers planning short-term travel to urban areas or travel to areas with no clear Japanese encephalitis season.

+5 more

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit New Delhi?

👌A reasonable choice for your trip(50/100)

Short Answer

September isn't New Delhi's most comfortable season - 33°C and sticky 75% humidity will challenge most visitors. Consider air-conditioned tours and plan for afternoon breaks.

Decision Factors

Oppressive heat and humidity

32.6°C with 75% humidity - challenging conditions

Very hot conditions

32.6°C average highs - limit midday exposure

Vaccinations required

Yellow Fever

Feels significantly hotter than 32.6°C

Heat index: 44°C due to 75% humidity

Poor air quality: Very Unhealthy

Very unhealthy. Avoid outdoor activities. Wear N95 mask if you must go out.

Peak tourist season

85% of annual peak - expect crowds and high prices

Good For

📸
Photographers
9.8h sunshine, 65% clear skies for golden hour shots
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

💰
Budget travelers
Peak season means premium prices everywhere
👨‍👩‍👧‍👦
Families with children
44°C heat index dangerous for children
👴
Elderly travelers
Heat index of 44°C poses health risks
🥾
Outdoor enthusiasts
Extreme conditions limit outdoor activity options

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,New Delhi in September averages 33°C with 29% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: New Delhi in September

What are the temperatures in New Delhi in September?

Daytime highs average 33°C, nights drop to 25°C. Temperatures remain fairly consistent.

How many rainy days in New Delhi in September?

Expect around 19 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in New Delhi in September?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is September peak season in New Delhi?

This is shoulder season—moderate prices and manageable crowds.

New Delhi Weather in September

New Delhi September Weather Calendar