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IndiaThe weather in September in Chennai
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.
Looking for sun? September isn’t a good month to be in Chennai. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Chennai, India. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 38°C in 2022, Chennai reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 28°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 22°C to a highest value of 30°C.
Water temperature
The water temperature at Chennai is 30°C this month. It’s really warm, perfect for a swim.
Rainfall amount
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.
Daily weather in September for Chennai
Click on any day in September to get detailed info about the usual weather on that day in Chennai. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Chennai | New York | |
|---|---|---|
| Average temperature | 34°C | 27°C |
| Max. temperature | 36°C | 31°C |
| Min. temperature | 26°C | -5°C |
| Total precipitation | 301 mm | 57 mm |
| Rainy days | 21 days | 9 days |
Start of September
The month of September starts in Chennai with hot temps, averaging around 35°C during the day and nights around 27°C.
Mid September
By mid-September, daytime temps stay steady at around 35°C, with nights around 27°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of September
By the end of September, the average daytime temperature in Chennai is around 35°C, while nighttime temps are about 27°C. There’s a significant chance of many days with precipitation.
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UV index
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.
Check out the climate of Chennai for all months and discover the best travel time
Curious about the weather in other parts of India? Check out the climate and weather for spots like Delhi, Goā, Kolkata, or explore other destinations in India.
Temperature charts
These charts show the average temperatures in September in Chennai, India. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Chennai
Temperature in September in Chennai over the years
Precipitation charts
These charts show the average amount of precipitation in September in Chennai, India. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Chennai
Total precipitation in September in Chennai over the years
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.
Weather experiences in September in Chennai
Have you been to Chennai in September?
Share your weather experience in September in Chennai.
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.