Port Blair Weather in September

Port Blair in September averages 29°C (84°F) during the day and 26°C (79°F) at night. September is part of the rainy season, so frequent rainfall is typical.

Rainfall in Port Blair in September

As part of the rainy season, Port Blair sees around 17 days of rain in September, with an average of 341 mm (13 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.

Temperature in Port Blair in September

If you're visiting Port Blair in September, expect highs of 29°C (84°F) and overnight lows around 26°C (79°F). Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 26°C (79°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.

Sunshine in Port Blair in September

The area enjoys a moderate level of sunlight, with around 125 hours. It's a good balance between sunny and rainy days.

Wind Speed in Port Blair in September

September has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

Average water temperature in September

At 28°C (82°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January and February typically offer the best weather for Port Blair.

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• January
• February
• March
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• May
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• October
• November
• December

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

Port Blair Temperature in September

Min Temperature 26°C (79°F)  

Max Temperature 29°C (84°F)  

Water Temperature 28°C (82°F)  

Chance of Rain 56%  

Precipitation 341 mm (13 in)  

Rainy days 17 days  

Humidity 85%  

Windspeed 3 m/s (6 knots)  

Sunshine 125 hours  

Percentage Sunshine  

What to Wear in Port Blair in September

Warm but pleasant conditions in Port Blair in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. The water temperature sits at about 28°C (82°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 Port Blair 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

7/10

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 Port Blair's climate page.

More climate data for Port Blair

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Port Blair climate overview or explore weather in India.