Kovalam Weather in September

September in Kovalam brings high temperatures, with highs of 29°C (84°F) and nights dropping to 25°C (77°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.

Rainfall in Kovalam in September

Kovalam is in the rainy season in September, with rain on around 8 days and an average of 171 mm (6.7 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.

Temperature in Kovalam in September

Daytime highs in Kovalam in September reach 29°C (84°F), with nights around 25°C (77°F). This kind of day-to-night contrast is typical for this time of year. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Kovalam in September

The area enjoys a moderate level of sunlight, with around 181 hours. It's a good balance between sunny and rainy days.

Wind Speed in Kovalam in September

September sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.

Average water temperature in September

At 27°C (81°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Kovalam.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit India, check out our Kovalam's climate page.

Kovalam Temperature in September

Min Temperature 25°C (77°F)  

Max Temperature 29°C (84°F)  

Water Temperature 27°C (81°F) *  

Chance of Rain 26%  

Precipitation 171 mm (6.7 in)  

Rainy days 8 days  

Humidity 77% *  

Windspeed 2 m/s (4 knots) *  

Sunshine 181 hours *  

Percentage Sunshine *  

* Data from: Thiruvananthapuram, India (9 KM, 6 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Kovalam typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 25°C (77°F).

Average temperatures in September

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

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Historical weather for Kovalam in September

Browse day-by-day weather records for Kovalam spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Kovalam historical weather extremes in September

Based on weather observations in Kovalam between 1976 and 2025, these are the recorded extremes during September.

• On September 20, 2010, temperatures climbed to 34°C (93°F), marking the warmest September day on record.
• The coldest September day was on September 25, 1985, with a maximum of 24°C (75°F).
• Nighttime temperatures dropped to 22°C (72°F) on September 26, 2001, marking the coldest September night on record.

What to Wear in Kovalam in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. The water temperature sits at about 27°C (81°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Kovalam in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit India, check out our Kovalam's climate page.

More climate data for Kovalam

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Kovalam climate overview or explore weather in India.