Tamil Nadu Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Tamil Nadu, India in September.

Planning a getaway to Tamil Nadu, India this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Tamil Nadu in September

Tamil Nadu, India is a region in India. Tamil Nadu, India offers a broad spectrum of weather patterns. In September, one might encounter temperatures that range from warm to very hot, and precipitation levels ranging from moderate to heavy.

Temperatures

During the day the temperature is warm in Bikkatti at 26°C (79°F) and very hot in Madurai at 37°C (99°F). As night falls, temperatures generally drop to 26°C (79°F) in Madurai and 18°C (64°F) in Bikkatti. The temperatures cited for both day and night represent usual averages, but it's possible some days could be hotter. It's advisable to dress accordingly to handle the heat.

For a closer look at conditions across Tamil Nadu, India, refer to the map below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Tuticorin with an average of 32 mm (1.3 in) to heavy rainfall in Kodaikānāl with 313 mm (12 in).

Average sunshine

Most destinations offer generous amounts of sunshine this September. For example, Chennai gets approximately 198 hours of sunlight, perfect for anyone wanting bright, sunny days.

Explore Tamil Nadu by month

Best Places to Visit in Tamil Nadu in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Tamil Nadu.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Tamil Nadu

What is the weather like in September for some of the most popular destinations in Tamil Nadu, India?

Temperature range in Tamil Nadu (September)

Precipitation variation in Tamil Nadu (September)

Chennai

In September Chennai generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
34°C (93°F)
33°C (91°F)
32°C (90°F)
Min temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Monthly sun hours
188 hours
198 hours
259 hours
Monthly rainfall
100 mm (3.9 in)
112 mm (4.4 in)
215 mm (8.5 in)
Monthly rainy days
9 days
7 days
9 days
Weather conditions

Kodaikānāl

In September Kodaikānāl generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 19°C (66°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
28°C (82°F)
28°C (82°F)
27°C (81°F)
Min temperature
19°C (66°F)
19°C (66°F)
19°C (66°F)
Monthly sun hours
116 hours
115 hours
126 hours
Monthly rainfall
290 mm (11 in)
313 mm (12 in)
356 mm (14 in)
Monthly rainy days
8 days
10 days
12 days
Weather conditions

Coimbatore

In September Coimbatore generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 23°C (73°F) and high monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
30°C (86°F)
31°C (88°F)
31°C (88°F)
Min temperature
23°C (73°F)
23°C (73°F)
23°C (73°F)
Monthly rainfall
118 mm (4.6 in)
108 mm (4.3 in)
185 mm (7.3 in)
Monthly rainy days
6 days
6 days
9 days
Weather conditions

Pondicherry

In September Pondicherry generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
33°C (91°F)
33°C (91°F)
31°C (88°F)
Min temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Monthly rainfall
90 mm (3.5 in)
102 mm (4 in)
227 mm (8.9 in)
Monthly rainy days
6 days
6 days
8 days
Weather conditions

Ooty

In September Ooty generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 18°C (64°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
25°C (77°F)
26°C (79°F)
26°C (79°F)
Min temperature
18°C (64°F)
18°C (64°F)
18°C (64°F)
Monthly rainfall
233 mm (9.2 in)
199 mm (7.8 in)
250 mm (9.8 in)
Monthly rainy days
9 days
9 days
11 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Tamil Nadu, in India.

Popular cities in September

Day & night temperatures, rainfall and average weather in Tamil Nadu in September.

City Weather Day temp Night temp Rainfall
Chennai 33°C (91°F) 27°C (81°F) 112 mm (4.4 in)
Kodaikānāl 28°C (82°F) 19°C (66°F) 313 mm (12 in)
Coimbatore 31°C (88°F) 23°C (73°F) 108 mm (4.3 in)
Pondicherry 33°C (91°F) 27°C (81°F) 102 mm (4 in)
Ooty 26°C (79°F) 18°C (64°F) 199 mm (7.8 in)
Kanyakumari 30°C (86°F) 26°C (79°F) 54 mm (2.1 in)

Tamil Nadu weather in September: frequently asked questions

What is the weather like in Tamil Nadu, India in September?

Expect poor weather across Tamil Nadu, India in September. The popular destination of Chennai averages 33°C (91°F) by day and 27°C (81°F) at night during this month.

What is the average temperature in Tamil Nadu, India in September?

Average temperatures in Tamil Nadu, India during September range from a nighttime low near 27°C (81°F) to a daytime high around 33°C (91°F) in Chennai.

Does Tamil Nadu, India get a lot of rain in September?

Tamil Nadu, India sees substantial rainfall in September. Chennai typically averages about 112 mm (4.4 in), a mix of wet and dry days, but bring an umbrella.

Is September a Good Time to Visit Tamil Nadu, India?

In our opinion, September may not be the ideal time to visit Tamil Nadu, India due to the typically tolerable weather in Chennai.

On average, the best time to visit Tamil Nadu, India is in January with generally perfect weather in Chennai. In contrast, April, May, June, July, August, September, October and November tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Tamil Nadu.

Weather and climate has detailed information for every country in the world. Are you going to India? Get detailed historical weather averages for many cities in India.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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