SeasonMapBend weather in September
United States
September in Bend: nice, dry, with clean air — one of the best months to visit.
#2 of 12 months in Bend · #109 of 1383 destinations to visit in September · comfort 92/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Bend in September
Other months in Bend
Bend's forum calls June pleasant and sometimes downright hot, warm and dry without the humidity that makes summer heat oppressive elsewhere. Regulars flag one recurring wrinkle: a weather system tends to bring rain through central Oregon in early-to-mid June most years, and higher-elevation trails can still be snowed in this early after a heavy winter — nights at altitude also stay genuinely chilly.
Add your own note from Bend's card on the map.
Bend climate normals — September
| Daytime high | 24°C / 75°F | 😎 nice |
|---|---|---|
| Nighttime low | 6°C / 42°F | |
| Feels like (high) | 21°C / 70°F | |
| Rainfall | 13 mm / 0.5 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 51% | 🍃 comfortable |
| Dew point | 3°C / 37°F | |
| Sunshine | 10.7 h/day | |
| Daylight | 12.5 h | |
| Wind | 15 km/h / 9 mph | |
| Snowfall | 0.3 cm / 0.1 in | |
| Air quality (US AQI) | 43 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Bend in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsDeschutes float season, Summer break in United States(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Bend's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherBend's best weather comes in June, August and September — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Bend in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Opening
Cascade Lakes Highway opens
15 May – 30 Nov · usuallyTrail seasonClosuresThe scenic byway past Sparks and Elk lakes is gated shut by snow all winter and ploughed open in late May or June, earlier after a mild one. Without it the alpine lakes and trailheads are a long detour. Source ↗
- Season
Deschutes float season
15 Jun – 5 Sep · usuallySummer season opensCrowdedHalf the town floats the stretch from Riverbend Park to the Old Mill on a hot afternoon, and the shuttle runs all summer. The river is cold enough that it works as air conditioning.
- Hazard
Wildfire smoke season
1 Jul – 20 Sep · usuallyCentral Oregon's unhealthy-air days have gone from a handful a decade to dozens, and late July through August is when the smoke settles in the basin. It is the one thing that can spoil an otherwise reliable summer here. Source ↗
Nearby, and something's on
Within 300 km of Bend — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Bend?
Bend in September — FAQ
- Is September a good time to visit Bend?
- September in Bend: nice, dry, with clean air — one of the best months to visit. It ranks #2 of 12 months for Bend on SeasonMap's comfort score (92/100).
- What is the weather like in Bend in September?
- In September, Bend averages a daily high of 23.9°C and a low of 5.5°C, with about 12.8 mm of rain over roughly 2.9 rainy days.
- What is the air quality in Bend in September?
- Bend has a mean US Air Quality Index of about 43 in September.
Other months in Bend
Compare Bend in September
Warmer or cooler than Bend in September
Similar destinations in North America — September
Within 300 km: Portland's The dry months around 5 Jul – 20 Sep.