Chennai
September
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.
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8
Dry days
22
Rainy days
0
Snow days
32°/26°
Temperatures
26 km/h
Avg max wind
69 %
Avg humidity
Chennai in September average weather
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| 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° |
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Temperatures trend during September in Chennai
See the weather trend as well as the moving average line
September weather day by day
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| 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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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
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