Rhinelander (WI)
September
Weather in Rhinelander, Wisconsin for September 2026
Your guide to Rhinelander weather in September - trends and predictions
In general, the average temperature in Rhinelander at the beginning of September is 16 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 22.3 °F by the end of September.
Rhinelander experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 71.5 mm.
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Temperatures
Rain 🌧️
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21
Dry days
9
Rainy days
0
Snow days
22°/11°
Temperatures
14 km/h
Avg max wind
71 %
Avg humidity
Rhinelander Weather September
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Temperatures trend during September in Rhinelander
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September weather in Rhinelander day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Thundery outbreaks possible | 23° /16° | 0 mm | 5 | |
| Sept. 2 |  Fog | 22° /11° | 7.7 mm | 5 | |
| Sept. 3 |  Light rain shower | 16° /5° | 11.1 mm | 4 | |
| Sept. 4 |  Overcast | 12° /3° | 2.7 mm | 3 | |
| Sept. 5 |  Light rain | 10° /6° | 34.5 mm | 3 | |
| Sept. 6 | Overcast | 14° /8° | 0 mm | 3 | |
| Sept. 7 | Overcast | 15° /7° | 0 mm | 4 | |
| Sept. 8 | Mist | 17° /6° | 0 mm | 4 | |
| Sept. 9 |  Sunny | 21° /12° | 12 mm | 6 | |
| Sept. 10 | Patchy rain possible | 23° /13° | 3.6 mm | 6 | |
| Sept. 11 |  Cloudy | 24° /12° | 0 mm | 6 | |
| Sept. 12 | Sunny | 23° /13° | 0 mm | 6 | |
| Sept. 13 | Cloudy | 27° /16° | 3.5 mm | 6 | |
| Sept. 14 | Sunny | 26° /14° | 0 mm | 7 | |
| Sept. 15 | Overcast | 28° /16° | 0.1 mm | 6 | |
| Sept. 16 | Overcast | 29° /16° | 0 mm | 7 | |
| Sept. 17 | Sunny | 26° /17° | 1.6 mm | 7 | |
| Sept. 18 | Sunny | 24° /15° | 9.6 mm | 6 | |
| Sept. 19 | Overcast | 20° /13° | 0.7 mm | 5 | |
| Sept. 20 | Patchy rain possible | 20° /15° | 1 mm | 5 | |
| Sept. 21 |  Moderate rain at times | 22° /13° | 5.1 mm | 5 | |
| Sept. 22 | Overcast | 19° /12° | 6 mm | 5 | |
| Sept. 23 | Overcast | 19° /10° | 0 mm | 4 | |
| Sept. 24 | Overcast | 20° /10° | 0 mm | 5 | |
| Sept. 25 | Sunny | 21° /9° | 0 mm | 5 | |
| Sept. 26 | Overcast | 20° /12° | 0 mm | 5 | |
| Sept. 27 | Overcast | 24° /11° | 0 mm | 6 | |
| Sept. 28 | Overcast | 25° /10° | 0 mm | 6 | |
| Sept. 29 | Overcast | 24° /10° | 0 mm | 6 | |
| Sept. 30 | Sunny | 22° /12° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Rhinelander 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 Rhinelander forecast closer to your planned date for the most up-to-date weather information.
Change Month
Rhinelander in September - FAQ
What are the expected maximum and minimum temperatures in Rhinelander during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Rhinelander during September?
Moderate rainfall is anticipated in Rhinelander during September, with a total of 71.5 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Rhinelander during September?
The average wind speed in Rhinelander during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Rhinelander
Explore the daily rainfall trends and prepare for Rhinelanders September weather 💧
UV exposure in Rhinelander during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Rhinelander?Get accurate weather forecasts for Rhinelander, located at latitude 45.637 and longitude -89.412. Stay updated with localized weather information tailored for Rhinelander.
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