Fargo weather in September 2025

Expect 21°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Fargo in September. Check more long-term weather averages for Fargo in September before you book your next holiday to North Dakota in 2025/2026.

  • 21°C maximum daytime temperature in September in Fargo21
    21°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Fargo8
    8 days with some rainfall
  • 8°C minimum night-time temperature in September in Fargo8
    8°C min night temperature
  • 13 hours of daylight per day in September in Fargo13
    13 hours of daylight per day
  • No heat & humidity in September in Fargo0
    No heat & humidity
  • 51 mm monthly rainfall in September in Fargo51
    51 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Fargo5
    5 (Moderate) UV index

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The September weather guide for North Dakota (Fargo) 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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More about the USA

How hot is it in Fargo in September?

Daytime temperatures usually reach 21°C in Fargo in September, falling to 8°C at night.

How sunny is it in Fargo in September?

There are normally 8 hours of bright sunshine each day in Fargo in September - that's 60% of daylight hours.

Does it rain in Fargo in September?

There are usually 8 days with some rain in Fargo in September and the average monthly rainfall is 51mm.

Fargo September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:47 19:06
Monday, 15th September 2025 06:05 18:38
Tuesday, 30th September 2025 06:25 18:08

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