IndiaAverage 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.
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. There are plenty of days with a good chance of precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
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. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
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. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Water temperature
The water temperature at Chennai is 30°C this month. It’s really warm, perfect for a swim.
In September, there is an average of 301 mm of precipitation, spread over 11 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
Chennai in September |
New York | ||
|---|---|---|---|
 Average temperature |
34°C | 27°C | |
 Max. temperature |
36°C | 31°C | |
| Min. temperature |
33°C | -5°C | |
 Total precipitation |
301 mm | 57 mm | |
| Rainy days |
11 days | 9 days | |
August
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.
Is September a good time to visit Chennai?
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.
The hurricane season in Chennai runs from June to November.
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.
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.
Daily Temperature in September in Chennai
This chart shows the average daily high and low temperatures in September for Chennai, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Chennai
The chart below shows the average daily precipitation in September for Chennai, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 11 days of precipitation 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 few years.
Total precipitation in September in Chennai over the years
This chart shows the average precipitation in September in Chennai, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
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.
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.
