Calcutta weather in September 2026

Expect daytime maximum temperatures of 32°C in Calcutta, India in September and very high heat and humidity based on long-term weather averages. There are 4 hours of sunshine per day on average with 12 days with some rainfall and typically 271 mm of rainfall in the month.

• 32
  32°C max day temperature
• 4
  4 hours of sunshine per day
• 12
  12 days with some rainfall
• 26
  26°C min night temperature
• 12
  12 hours of daylight per day
• VH
  Very High heat & humidity
• 271
  271 mm of monthly rainfall
• 11
  11 (Extreme) UV index

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The September weather guide for India (Calcutta) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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Calcutta September sunrise & sunset times

Browse the sunrise and sunset times for Calcutta in September 2026. Select a month to view Calcutta sunrise and sunset times for the next 12 months.

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