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Pierre weather in September 2025
Expect 24°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Pierre in September. Check more long-term weather averages for Pierre in September before you book your next holiday to South Dakota in 2025/2026.
- 2424°C max day temperature
- 9 hours of sunshine per day
- 66 days with some rainfall
- 99°C min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 3232 mm of monthly rainfall
- 66 (High) UV index
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Pierre by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for South Dakota
The September weather guide for South Dakota (Pierre) 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 Pierre in September?
Daytime temperatures usually reach 24°C in Pierre in September, falling to 9°C at night.
How sunny is it in Pierre in September?
There are normally 9 hours of bright sunshine each day in Pierre in September - that's 69% of daylight hours.
Does it rain in Pierre in September?
There are usually 6 days with some rain in Pierre in September and the average monthly rainfall is 32mm.
Pierre September sunrise & sunset times
Browse the sunrise and sunset times for Pierre in September 2025. Select a month to view Pierre sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 06:05 | 19:17 |
Monday, 15th September 2025 | 06:21 | 18:51 |
Tuesday, 30th September 2025 | 06:38 | 18:23 |
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