Normal weather for Chennai in September
It's hot in September in Chennai with an average temperature of 34°C. Temperatures this month range from a low of 33°C to a high of 36°C. At night, you can expect temperatures between 26°C and 28°C.
In September, there is an average of 301 mm of precipitation, spread over 21 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
The water temperature at Chennai is 30°C this month. It’s really warm, perfect for a swim.
After some sun? Then September isn’t the best time to be in Chennai. The temperature is pleasant, but there’s too much chance of rain this month.
Chennai in September |
London | ||
|---|---|---|---|
 Average Temperature |
34°C | 20°C | |
 High Temp |
36°C | 22°C | |
| Low Temp |
33°C | 17°C | |
 Total Precipitation |
301 mm | 44 mm | |
| Rainy Days |
21 days | 8 days | |
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
The hurricane season in Chennai runs from June to November.
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Start of September
The month of September starts in Chennai with hot temperatures, averaging around 35°C during the day and nights close to 27°C. Plenty of days with a chance of precipitation.
Mid-September
By mid-September, the average daytime temperature stays the same at 35°C, with nights close to 27°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
End of September
By the end of September, the average daytime temperature in Chennai will be around 35°C, with nights close to 27°C. There’s a significant chance of many days with precipitation.
Temperature records
With 38°C, Chennai hit the highest temperature in the last 10 years in September 2022. The lowest daytime temperature in this month was 28°C in 2018. The extreme night temperatures ranged from a low of 22°C to a high of 30°C.
Check out the climate of Chennai for all months and discover the best travel time
Curious about the climate in other parts of India? Check out the weather and climate in places like Goā, Kolkata, or have a look at other destinations in India.
August
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Daily Temperature in September in Chennai
This chart shows the average daily temperatures, both day and night, for each day in September in Chennai, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Chennai
The chart below shows the average daily precipitation in September for Chennai, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 21 days of rain in Chennai.
Daily UV Index in September in Chennai
This chart shows the average daily UV index in September in Chennai, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Chennai Over the Years
This chart shows the average temperature in September in Chennai, measured in degrees Celsius, over the past years.
Total Precipitation in September in Chennai Over the Years
This chart shows the average precipitation in September in Chennai, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Chennai
Click on a specific day in September for detailed info on the typical weather on that day in Chennai. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Chennai
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Average Weather in Chennai by Month
Click on a month below to see detailed weather info for Chennai. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
