Katherine weather in September 2025

Expect 36°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Katherine in September. Check more long-term weather averages for Katherine in September before you book your next holiday to Northern Territory in 2025/2026.

  • 36°C maximum daytime temperature in September in Katherine36
    36°C max day temperature
  • 10 hours of sunshine per day
  • 3 days with some rainfall in September in Katherine3
    3 days with some rainfall
  • 20°C minimum night-time temperature in September in Katherine20
    20°C min night temperature
  • 12 hours of daylight per day in September in Katherine12
    12 hours of daylight per day
  • Very high heat & humidity in September in KatherineVH
    Very High heat & humidity
  • 9 mm monthly rainfall in September in Katherine9
    9 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Katherine11
    11+ (Extreme) UV index

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The September weather guide for Northern Territory (Katherine) 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 Katherine in September?

Daytime temperatures usually reach 36°C in Katherine in September with very high heat and humidity, falling to 20°C at night.

How sunny is it in Katherine in September?

There are normally 10 hours of bright sunshine each day in Katherine in September - that's 82% of daylight hours.

Does it ever rain in Katherine in September?

There are usually 3 days with some rain in Katherine in September and the average monthly rainfall is 9mm.

Katherine September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:46 18:36
Monday, 15th September 2025 06:36 18:37
Tuesday, 30th September 2025 06:25 18:37

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