Deschutes County (Bend)
September
Weather in Deschutes County, Oregon for September 2025
Your guide to Deschutes County weather in September - trends and predictions
Until now, September 2025 in Deschutes County is slightly cooler than the historical average by -1.1 °F.
The forecast for the next days in Deschutes County predicts a temperature of 22.1 °F, which is cooler than the historical average.
In general, the average temperature in Deschutes County at the beginning of September is 30.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19 °F by the end of September.
With an average of 2 rainy days, Deschutes County experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
More
28
Dry days
2
Rainy days
0
Snow days
24°/11°
Temperatures
17 km/h
Avg max wind
46 %
Avg humidity
Deschutes County Weather September
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Temperatures trend during September in Deschutes County
See the weather trend as well as the moving average line
September weather in Deschutes County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Cloudy | 33° /17° | 0 mm | 8 | |
| Sept. 2 |  Moderate or heavy rain shower | 31° /15° | 1.1 mm | 7 | |
| Sept. 3 |  Sunny | 29° /15° | 0 mm | 7 | |
| Sept. 4 | Sunny | 31° /16° | 0 mm | 8 | |
| Sept. 5 | Sunny | 31° /17° | 0 mm | 7 | |
| Sept. 6 |  Partly cloudy | 31° /15° | 3.6 mm | 7 | |
| Sept. 7 |  Overcast | 27° /16° | 0 mm | 6 | |
| Sept. 8 | Overcast | 25° /13° | 15.8 mm | 6 | |
| Sept. 9 | Partly cloudy | 23° /12° | 0 mm | 6 | |
| Sept. 10 | Sunny | 22° /10° | 4.5 mm | 6 | |
| Sept. 11 | Moderate or heavy rain shower | 16° /10° | 10.3 mm | 4 | |
| Sept. 12 | Sunny | 20° /8° | 0 mm | 6 | |
| Sept. 13 | Sunny | 23° /10° | 0 mm | 7 | |
| Sept. 14 |  Patchy rain possible | 18° /10° | 1.1 mm | 0.8 | |
| Sept. 15 | Sunny | 23° /7° | 0 mm | 1.5 | |
| Sept. 16 | Sunny | 28° /11° | 0 mm | 1.5 | |
| Sept. 17 | Sunny | 27° /14° | 0 mm | 1.5 | |
| Sept. 18 | Sunny | 26° /13° | 0 mm | 0 | |
| Sept. 19 | Partly cloudy | 25° /16° | 0 mm | 6 | |
| Sept. 20 | Sunny | 25° /15° | 0 mm | 5 | |
| Sept. 21 | Sunny | 22° /12° | 0 mm | 5 | |
| Sept. 22 | Sunny | 21° /11° | 0 mm | 4 | |
| Sept. 23 | Sunny | 27° /10° | 0 mm | 5 | |
| Sept. 24 | Sunny | 28° /13° | 0 mm | 5 | |
| Sept. 25 | Patchy rain possible | 14° /7° | 1.4 mm | 3 | |
| Sept. 26 | Patchy rain possible | 11° /5° | 0.3 mm | 2 | |
| Sept. 27 | Sunny | 15° /5° | 0 mm | 3 | |
| Sept. 28 | Partly cloudy | 29° /10° | 0 mm | 7 | |
| Sept. 29 | Partly cloudy | 18° /8° | 0 mm | 5 | |
| Sept. 30 | Sunny | 18° /5° | 0 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Deschutes 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 Deschutes County forecast closer to your planned date for the most up-to-date weather information.
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Deschutes County in September - FAQ
What are the expected maximum and minimum temperatures in Deschutes County during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Deschutes County during September?
Expect minimal rainfall in Deschutes County during September, with a total of 15.2 mm over approximately 2 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Deschutes County during September?
The average wind speed in Deschutes County during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Deschutes County
Explore the daily rainfall trends and prepare for Deschutes Countys September weather 💧
UV exposure in Deschutes County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Deschutes County?Get accurate weather forecasts for Deschutes County, located at latitude 44.058 and longitude -121.315. Stay updated with localized weather information tailored for Deschutes County.
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