Weather in Rochester, Minnesota for September 2026
So far, September 2026 in Rochester is slightly warmer than the historical average by 1 °F.
Expect cooler weather in the next days in Rochester with the forecast suggesting a temperature of 16.6 °F, lower than the historical average.
In general, the average temperature in Rochester at the beginning of September is 22.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.1 °F by the end of September.
Rochester experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 57.2 mm.
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Rochester Weather September
Temperatures trend during September in Rochester
September weather in Rochester day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Overcast | 24° /14° | 0 mm | 4 | |
| Sept. 2 |  Sunny | 25° /13° | 21 mm | 4 | |
| Sept. 3 | Sunny | 23° /14° | 37.5 mm | 4 | |
| Sept. 4 | Sunny | 24° /14° | 8.8 mm | 6 | |
| Sept. 5 | Overcast | 21° /13° | 0.1 mm | 3 | |
| Sept. 6 | Overcast | 19° /10° | 0.6 mm | 4 | |
| Sept. 7 | Sunny | 20° /9° | 0 mm | 4 | |
| Sept. 8 | Sunny | 24° /11° | 102 mm | 4 | |
| Sept. 9 | Sunny | 26° /15° | 0.5 mm | 6 | |
| Sept. 10 |  Patchy rain possible | 25° /14° | 0.3 mm | 6 | |
| Sept. 11 | Sunny | 24° /15° | 0 mm | 6 | |
| Sept. 12 | Sunny | 25° /14° | 2.3 mm | 5 | |
| Sept. 13 | Overcast | 25° /14° | 2.1 mm | 6 | |
| Sept. 14 | Light rain shower | 24° /15° | 21.7 mm | 5 | |
| Sept. 15 |  Thundery outbreaks possible | 25° /18° | 3.3 mm | 4 | |
| Sept. 16 |  Partly cloudy | 26° /15° | 0.4 mm | 5 | |
| Sept. 17 |  Mist | 25° /15° | 3.6 mm | 4 | |
| Sept. 18 | Partly cloudy | 24° /15° | 14 mm | 5 | |
| Sept. 19 | Thundery outbreaks possible | 22° /15° | 16.8 mm | 4 | |
| Sept. 20 | Overcast | 19° /10° | 0 mm | 5.8 | |
| Sept. 21 | Overcast | 16° /8° | 0.1 mm | 3.4 | |
| Sept. 22 | Overcast | 16° /9° | 0 mm | 3 | |
| Sept. 23 | Sunny | 19° /9° | 0 mm | 5.3 | |
| Sept. 24 | Overcast | 17° /12° | 0 mm | 4 | |
| Sept. 25 | Sunny | 21° /14° | 0 mm | 6 | |
| Sept. 26 | Sunny | 21° /13° | 0 mm | 6 | |
| Sept. 27 | Overcast | 21° /13° | 1 mm | 5 | |
| Sept. 28 | Overcast | 16° /5° | 30.1 mm | 2 | |
| Sept. 29 | Sunny | 12° /3° | 0 mm | 4 | |
| Sept. 30 | Sunny | 12° /8° | 0.5 mm | 4 | |
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Rochester in September - FAQ
What are the expected maximum and minimum temperatures in Rochester during September?
How much rainfall should be expected in Rochester during September?
What are the typical wind conditions in Rochester during September?
September rainfall patterns in Rochester
UV exposure in Rochester during September
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Where is Rochester?Get accurate weather forecasts for Rochester, located at latitude 44.022 and longitude -92.47. Stay updated with localized weather information tailored for Rochester.