Chennai in september: average Weather, Temperature and Climate
Weather in Chennai in september 2025
The weather in Chennai in the month of september comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather UV index: 7
Weather at 6am
85°F
Moderate rain at times
37% of time
29%
25%
10%
Weather at 12pm
90°F
Moderate rain at times
34% of time
32%
22%
11%
Weather at 6pm
86°F
Moderate rain at times
33% of time
24%
19%
15%
Weather at 3am
83°F
33%
26%
22%
19%
Evolution of daily average temperature and precipitation in Chennai in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Chennai in september.
The climate of Chennai in september is tolerable
the weather in Chennai in september is wet (with 9.5in of precipitation over 15 days). The weather is better from the previous month since in august it receives an average of 9in of precipitation over 12 days.
The climate is very hot in that locality in september. The high seasonal norm is 90°F. The seasonal minimum is 85°F. Thus, the mean temperature average in september in Chennai is 88°F. Note that these seasonal averages are in contrast with those observed in Chennai in the month of september with a maximum record of 95°F in 2009 and a minimum record of 77°F in 2019. You You can hope to have 86°F or more throughout the month.
Day length in Chennai in september is 12:12. Sunrise is at 05:58 and sunset is at 18:10.
With a bad weather, september is not the best time to go in this city.
Chennai: another month?
If you can push the dates of your trip to Chennai forward, the month of october has a better weather forecast than september. more information
September: another location in India?
If you want to go to India in september, there are destinations with better weather than Chennai:
In september, Srinagar (Jammu and Kashmir) and Doodhpathri have perfect weather.
Furthermore, Delhi, Agra (Taj Mahal), Hyderabad, Rajasthan, Ahmedabad and Hampi have good weather.
Seasonal average climate and temperature of Chennai in september
Check below seasonal norms These datas are generated from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 88°F | ||||
| Highest temperature | 90°F | ||||
| Lowest temperature | 85°F | ||||
| Highest record temperature | 95°F (2009) | ||||
| Lowest record temperature | 77°F (2019) | ||||
| Number of days at +86°F | 29 day(s) (97%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 85°F | ||||
| Lowest sea temperature | 83°F | ||||
| Highest sea temperature | 87°F | ||||
| Wind | |||||
| Wind speed | 18km/h | ||||
| Wind temperature | 85°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 9.5in | ||||
| Number of days with rainfall | 15 day(s) (50%) | ||||
| Record daily rainfall | 1.9in (2012) | ||||
| Other climate data | |||||
| Humidity | 73% | ||||
| Visibility | 9.25km | ||||
| Cloud cover | 38% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:58 | ||||
| Time of sunset | 18:10 | ||||
| Length of day | 12:12 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last september?
Here is the day by day recorded weather in Chennai in september 2024:
81°F to 92°F
81°F to 94°F
83°F to 92°F
83°F to 88°F
83°F to 92°F
83°F to 92°F
83°F to 92°F
83°F to 92°F
81°F to 92°F
83°F to 94°F
83°F to 94°F
83°F to 94°F
85°F to 92°F
85°F to 92°F
83°F to 94°F
83°F to 94°F
85°F to 94°F
83°F to 92°F
83°F to 92°F
83°F to 92°F
83°F to 90°F
83°F to 88°F
81°F to 92°F
83°F to 94°F
81°F to 92°F
83°F to 90°F
83°F to 88°F
83°F to 88°F
83°F to 88°F
81°F to 88°F
Map: other cities in India in september
Cities near Chennai:
| Mamallapuram in september | good weather |
| Pondicherry in september | tolerable weather |
| Nellore in september | good weather |
| Cuddalore in september | tolerable weather |
| Karaikal in september | tolerable weather |
| Ongole in september | good weather |
| Nandi hills (Nandi betta) in september | tolerable weather |
| Bangalore (Karnataka) in september | tolerable weather |
| Vedaranyam in september | tolerable weather |
| Machilipatnam in september | tolerable weather |
| Mysore in september | tolerable weather |
| Madurai in september | good weather |
Click over cities on the map for information about the weather in september.
Chennai
perfect weather
good
tolerable
bad
very bad
Weather data for Chennai in september:
Weather data for Chennai for september are derived from an average of the weather forecast since 2009 in Chennai. There is a margin of error and these forecasts are to be considered as general information only. The weather in Chennai can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Chennai.