Oneida County (Rhinelander)
September
Weather in Oneida County, Wisconsin for September 2026
Your guide to Oneida County weather in September - trends and predictions
Until now, September 2026 in Oneida County is slightly cooler than the historical average by 0.6 °F.
The forecast for the next days in Oneida County predicts a temperature of 15.5 °F, which is cooler than the historical average.
In general, the average temperature in Oneida County at the beginning of September is 22.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.3 °F by the end of September.
The climate of Oneida County in September is notably wet, with an average of 12 rainy days, and a total of 99.1 mm of precipitation.
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Temperatures
Rain 🌧️
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18
Dry days
12
Rainy days
0
Snow days
21°/12°
Temperatures
14 km/h
Avg max wind
74 %
Avg humidity
Oneida County Weather September
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Temperatures trend during September in Oneida County
See the weather trend as well as the moving average line
September weather in Oneida County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Thundery outbreaks possible | 28° /15° | 0 mm | 5 | |
| Sept. 2 |  Fog | 25° /13° | 132.3 mm | 4 | |
| Sept. 3 |  Light rain shower | 21° /9° | 50.5 mm | 5 | |
| Sept. 4 |  Overcast | 21° /9° | 2.1 mm | 2 | |
| Sept. 5 |  Light rain | 20° /11° | 17.4 mm | 4 | |
| Sept. 6 | Overcast | 22° /10° | 0 mm | 5 | |
| Sept. 7 | Overcast | 21° /9° | 0 mm | 4 | |
| Sept. 8 | Mist | 19° /11° | 129.6 mm | 3 | |
| Sept. 9 |  Sunny | 23° /13° | 8.1 mm | 6 | |
| Sept. 10 | Patchy rain possible | 23° /12° | 2.4 mm | 6 | |
| Sept. 11 |  Cloudy | 25° /12° | 0.1 mm | 5 | |
| Sept. 12 | Sunny | 23° /13° | 0.4 mm | 4 | |
| Sept. 13 | Cloudy | 23° /13° | 2.3 mm | 6 | |
| Sept. 14 | Sunny | 23° /11° | 4.7 mm | 6 | |
| Sept. 15 | Overcast | 25° /14° | 0.7 mm | 4 | |
| Sept. 16 | Overcast | 26° /13° | 0 mm | 5 | |
| Sept. 17 | Sunny | 24° /14° | 2.3 mm | 5 | |
| Sept. 18 | Sunny | 21° /13° | 7 mm | 4 | |
| Sept. 19 | Overcast | 18° /12° | 0.7 mm | 3 | |
| Sept. 20 | Patchy rain possible | 19° /12° | 0.8 mm | 3 | |
| Sept. 21 |  Moderate rain at times | 20° /10° | 3.4 mm | 4 | |
| Sept. 22 | Overcast | 18° /10° | 4 mm | 5 | |
| Sept. 23 | Overcast | 18° /9° | 0 mm | 4 | |
| Sept. 24 | Overcast | 19° /9° | 0 mm | 3 | |
| Sept. 25 | Sunny | 20° /12° | 0 mm | 4.8 | |
| Sept. 26 | Overcast | 18° /11° | 0 mm | 4.5 | |
| Sept. 27 | Overcast | 18° /12° | 0 mm | 4.5 | |
| Sept. 28 | Overcast | 21° /14° | 0 mm | 4.1 | |
| Sept. 29 | Overcast | 17° /11° | 1.3 mm | 4 | |
| Sept. 30 | Mist | 15° /10° | 0.1 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Oneida County in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Oneida County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Oneida County in September - FAQ
What are the expected maximum and minimum temperatures in Oneida County during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Oneida County during September?
Moderate rainfall is anticipated in Oneida County during September, with a total of 99.1 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Oneida County during September?
The average wind speed in Oneida County during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Oneida County
Explore the daily rainfall trends and prepare for Oneida Countys September weather 💧
Typically, Oneida County has 12 rainy days in September with a total of 99.1 mm of rainfall.
UV exposure in Oneida County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Oneida County?Get accurate weather forecasts for Oneida County, located at latitude 45.637 and longitude -89.412. Stay updated with localized weather information tailored for Oneida County.
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