Patna weather in September 2025

Expect daytime maximum temperatures of 32°C in Patna 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 typically 229 mm of rainfall in the month.

  • 32°C maximum daytime temperature in September in Patna32
    32°C max day temperature
  • 4 hours of sunshine per day
  • 9 days with some rainfall in September in Patna9
    9 days with some rainfall
  • 25°C minimum night-time temperature in September in Patna25
    25°C min night temperature
  • 12 hours of daylight per day in September in Patna12
    12 hours of daylight per day
  • Very high heat & humidity in September in PatnaVH
    Very High heat & humidity
  • 229 mm monthly rainfall in September in Patna229
    229 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Patna11
    11 (Extreme) UV index

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The September weather guide for India (Patna) 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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How hot is it in Patna in September?

Daytime temperatures usually reach 32°C in Patna in September with very high heat and humidity, falling to 25°C at night.

How sunny is it in Patna in September?

There are normally 4 hours of bright sunshine each day in Patna in September - that's 36% of daylight hours.

Does it rain in Patna in September?

There are usually 9 days with some rain in Patna in September and the average monthly rainfall is 229mm.

What is the chance of a cyclone in Patna in September?

On average 1.2 days in September in Patna are likely to be affected by the passage of one or more tropical storms.

Patna September sunrise & sunset times

Browse the sunrise and sunset times for Patna in September 2025. Select a month to view Patna sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:30 18:09
Monday, 15th September 2025 05:35 17:54
Tuesday, 30th September 2025 05:41 17:37

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