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International Falls weather in September 2025
Expect 18°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in International Falls in September. Check more long-term weather averages for International Falls in September before you book your next holiday to Minnesota in 2025/2026.
- 1818°C max day temperature
- 6 hours of sunshine per day
- 1212 days with some rainfall
- 77°C min night temperature
- 1313 hours of daylight per day
- 0No heat & humidity
- 8282 mm of monthly rainfall
- 55 (Moderate) UV index
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International Falls by month
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Recommended for Minnesota
The September weather guide for Minnesota (International Falls) 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)
More about the USA
How hot is it in International Falls in September?
Daytime temperatures usually reach 18°C in International Falls in September, falling to 7°C at night.
How sunny is it in International Falls in September?
There are normally 6 hours of bright sunshine each day in International Falls in September - that's 45% of daylight hours.
Does it rain in International Falls in September?
There are usually 12 days with some rain in International Falls in September and the average monthly rainfall is 82mm.
International Falls September sunrise & sunset times
Browse the sunrise and sunset times for International Falls in September 2025. Select a month to view International Falls sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:31 | 18:55 |
Monday, 15th September 2025 | 05:51 | 18:26 |
Tuesday, 30th September 2025 | 06:12 | 17:54 |
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