Calcutta Weather in September

September in Calcutta brings very high temperatures, with highs of 33°C (91°F) and nights dropping to 27°C (81°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.

Rainfall in Calcutta in September

Calcutta is in the rainy season in September, with rain on around 12 days and an average of 257 mm (10 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.

Temperature in Calcutta in September

In September, Calcutta sees very high temperatures, with highs of 33°C (91°F). Nights drop to around 27°C (81°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. At 27°C (81°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.

Sunshine in Calcutta in September

The month experiences a moderate amount of sunlight, with 125 hours of sunshine. This provides a nice balance between sunshine and rain.

Wind Speed in Calcutta in September

Wind speeds average 1 m/s (2 knots) during September. At this speed, you'll experience mostly light air movement that's just barely noticeable. As an average, some days will be completely calm while others have gentle breezes you can feel on your skin.

Average water temperature in September

With water at 28°C (82°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.

September in Calcutta has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

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

Calcutta Temperature in September

Min Temperature 27°C (81°F)  

Max Temperature 33°C (91°F)  

Water Temperature 28°C (82°F)  

Chance of Rain 40%  

Precipitation 257 mm (10 in)  

Rainy days 12 days  

Humidity 81%  

Windspeed 1 m/s (2 knots)  

Sunshine 125 hours  

Percentage Sunshine  

What to Wear in Calcutta in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! With water temperatures around 28°C (82°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Calcutta 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 Calcutta's climate page.

More climate data for Calcutta

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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