Weather in Chennai for September 2025
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.
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Chennai in September average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 32° | 2 33° | 3 33° | 4 31° | 5 31° | 6 31° | 7 33° |
8 33° | 9 33° | 10 33° | 11 31° | 12 34° | 13 33° | 14 33° |
15 34° | 16 34° | 17 33° | 18 33° | 19 33° | 20 33° | 21 32° |
22 31° | 23 33° | 24 32° | 25 32° | 26 32° | 27 31° | 28 32° |
29 31° | 30 31° |
You can click on date
Temperatures trend during September in Chennai
September weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Sept. | Patchy rain possible | 32° /26° | 0.9 mm | 7 | |
2 Sept. | Thundery outbreaks possible | 33° /26° | 3.5 mm | 7 | |
3 Sept. | Patchy rain possible | 33° /26° | 2 mm | 7 | |
4 Sept. | Light drizzle | 31° /27° | 2.4 mm | 7 | |
5 Sept. | Patchy rain possible | 31° /27° | 1.1 mm | 7 | |
6 Sept. | Patchy rain possible | 31° /27° | 1.9 mm | 7 | |
7 Sept. | Partly cloudy | 33° /27° | 0.8 mm | 8 | |
8 Sept. | Partly cloudy | 33° /27° | 0.4 mm | 8 | |
9 Sept. | Thundery outbreaks possible | 33° /26° | 0.6 mm | 7 | |
10 Sept. | Light rain shower | 33° /27° | 1.3 mm | 7 | |
11 Sept. | Cloudy | 31° /27° | 1.9 mm | 7 | |
12 Sept. | Cloudy | 34° /27° | 0.3 mm | 7 | |
13 Sept. | Partly cloudy | 33° /27° | 0.3 mm | 8 | |
14 Sept. | Thundery outbreaks possible | 33° /27° | 0.1 mm | 7 | |
15 Sept. | Cloudy | 34° /27° | 0.2 mm | 7 | |
16 Sept. | Light rain shower | 34° /27° | 1.8 mm | 7 | |
17 Sept. | Light drizzle | 33° /27° | 1.3 mm | 7 | |
18 Sept. | Patchy light drizzle | 33° /27° | 0.5 mm | 7 | |
19 Sept. | Patchy rain possible | 33° /26° | 1.4 mm | 7 | |
20 Sept. | Partly cloudy | 33° /27° | 3.5 mm | 8 | |
21 Sept. | Patchy light drizzle | 32° /27° | 0.9 mm | 7 | |
22 Sept. | Patchy light drizzle | 31° /25° | 4.4 mm | 7 | |
23 Sept. | Light rain shower | 33° /25° | 10.2 mm | 7 | |
24 Sept. | Patchy rain possible | 32° /25° | 7.3 mm | 7 | |
25 Sept. | Patchy rain possible | 32° /27° | 4.7 mm | 7 | |
26 Sept. | Light rain shower | 32° /26° | 5.5 mm | 8 | |
27 Sept. | Patchy rain possible | 31° /27° | 3.1 mm | 7 | |
28 Sept. | Patchy light drizzle | 32° /26° | 9.9 mm | 7 | |
29 Sept. | Patchy light drizzle | 31° /27° | 2.2 mm | 7 | |
30 Sept. | Patchy rain possible | 31° /26° | 2 mm | 8 | |
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Chennai in September - FAQ
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
UV exposure in Chennai during September
Quick links
Get accurate weather forecasts for Chennai, located at latitude 13.088 and longitude 80.278. Stay updated with localized weather information tailored for Chennai.