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Galena weather in September 2025
Expect 73°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Galena in September. Check more long-term weather averages for Galena in September before you book your next holiday to Illinois in 2025/2026.
- 7373°F max day temperature
- 8 hours of sunshine per day
- 99 days with some rainfall
- 5050°F min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 4.14.1 inches of monthly rainfall
- 66 (High) UV index
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Galena by month
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Recommended for Illinois
The September weather guide for Illinois (Galena) 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) | Imperial (°F)
More about the USA
How hot is it in Galena in September?
Daytime temperatures usually reach 73°F in Galena in September, falling to 50°F at night.
How sunny is it in Galena in September?
There are normally 8 hours of bright sunshine each day in Galena in September - that's 61% of daylight hours.
Does it rain in Galena in September?
There are usually 9 days with some rain in Galena in September and the average monthly rainfall is 4.1 inches.
Galena September sunrise & sunset times
Browse the sunrise and sunset times for Galena in September 2025. Select a month to view Galena sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:27 | 18:35 |
Monday, 15th September 2025 | 05:42 | 18:11 |
Tuesday, 30th September 2025 | 05:58 | 17:44 |
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