easeweather.com

Weather in Chennai for September 2025

Your guide to Chennai weather in September - trends and predictions
  • In general, the average temperature in Chennai at the beginning of September is 32 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 31.6 °C by the end of September.

  • Chennai experiences an exceptionally high level of rainfall in September, with more than 20 rainy days on average.

  • Is September a good time to visit Chennai? check out the best time to travel to Chennai page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
8
Dry days
Average rainy days
22
Rainy days
Average snowy days
0
Snow days
Average temperatures
32°/26°
Temperatures
Average wind speed
26 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Chennai in September average weather

Move between months or click on a day
Select a date

You can click on date

Access Chennai weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Got it

Temperatures trend during September in Chennai

See the weather trend as well as the moving average line
Weather Expert

Are you interested in traveling to Chennai in September?

Leave your details and get the best deals for September. Speak with a holiday expert specializing in Chennai today.

September weather day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
32° /26° 0.9 mm 7
2 Sept. Thundery outbreaks possible
Thundery outbreaks possible
33° /26° 3.5 mm 7
3 Sept. Patchy rain possible
Patchy rain possible
33° /26° 2 mm 7
4 Sept. Light drizzle
Light drizzle
31° /27° 2.4 mm 7
5 Sept. Patchy rain possible
Patchy rain possible
31° /27° 1.1 mm 7
6 Sept. Patchy rain possible
Patchy rain possible
31° /27° 1.9 mm 7
7 Sept. Partly cloudy
Partly cloudy
33° /27° 0.8 mm 8
8 Sept. Partly cloudy
Partly cloudy
33° /27° 0.4 mm 8
9 Sept. Thundery outbreaks possible
Thundery outbreaks possible
33° /26° 0.6 mm 7
10 Sept. Light rain shower
Light rain shower
33° /27° 1.3 mm 7
11 Sept. Cloudy
Cloudy
31° /27° 1.9 mm 7
12 Sept. Cloudy
Cloudy
34° /27° 0.3 mm 7
13 Sept. Partly cloudy
Partly cloudy
33° /27° 0.3 mm 8
14 Sept. Thundery outbreaks possible
Thundery outbreaks possible
33° /27° 0.1 mm 7
15 Sept. Cloudy
Cloudy
34° /27° 0.2 mm 7
16 Sept. Light rain shower
Light rain shower
34° /27° 1.8 mm 7
17 Sept. Light drizzle
Light drizzle
33° /27° 1.3 mm 7
18 Sept. Patchy light drizzle
Patchy light drizzle
33° /27° 0.5 mm 7
19 Sept. Patchy rain possible
Patchy rain possible
33° /26° 1.4 mm 7
20 Sept. Partly cloudy
Partly cloudy
33° /27° 3.5 mm 8
21 Sept. Patchy light drizzle
Patchy light drizzle
32° /27° 0.9 mm 7
22 Sept. Patchy light drizzle
Patchy light drizzle
31° /25° 4.4 mm 7
23 Sept. Light rain shower
Light rain shower
33° /25° 10.2 mm 7
24 Sept. Patchy rain possible
Patchy rain possible
32° /25° 7.3 mm 7
25 Sept. Patchy rain possible
Patchy rain possible
32° /27° 4.7 mm 7
26 Sept. Light rain shower
Light rain shower
32° /26° 5.5 mm 8
27 Sept. Patchy rain possible
Patchy rain possible
31° /27° 3.1 mm 7
28 Sept. Patchy light drizzle
Patchy light drizzle
32° /26° 9.9 mm 7
29 Sept. Patchy light drizzle
Patchy light drizzle
31° /27° 2.2 mm 7
30 Sept. Patchy rain possible
Patchy rain possible
31° /26° 2 mm 8
Next
Important Notice
Our weather forecast for Chennai in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Chennai forecast closer to your planned date for the most up-to-date weather information.

Chennai in September - FAQ

What are the expected maximum and minimum temperatures in Chennai during September?
During September, expect a variety of temperatures with highs around 32° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Chennai during September?
Moderate rainfall is anticipated in Chennai during September, with a total of 94.9 mm spread over approximately 22 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Chennai during September?
The average wind speed in Chennai during September is 26 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Chennai in September?

As you prepare for your trip to Chennai in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Chennai, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
    • Sandals/Flip-flops: Comfortable for warm climates
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

September rainfall patterns in Chennai

Explore the daily rainfall trends and prepare for Chennais September weather 💧

UV exposure in Chennai during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

Location coordinates Where is Chennai?

Get accurate weather forecasts for Chennai, located at latitude 13.088 and longitude 80.278. Stay updated with localized weather information tailored for Chennai.

Related locations
Select a location for accurate weather forecast
More Locations
Found a mistake?
We appreciate your attention to details. Tell us here.