Bend, OR weather in September
Bend is mild and dry in September: highs average 76°F and nights drop to about 41°F. Expect about 2 wet days. A great month for outdoor plans.
- Normal high
- 76°F
- Normal low
- 41°F
- Wet days
- 2
- 0.3 in total
- Daylight
- 12.5 h
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 80°F | 71°F |
| Normal low | 45°F | 38°F |
| Chance of a wet day | 7% | 9% |
| Sunrise / sunset | 6:28 am / 7:41 pm | 7:01 am / 6:48 pm |
| Daylight | 13.2 h | 11.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
What kind of days to expect
- Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)15 of 30
- Hot dayshigh 90°F or more1 of 30
- Wet daysat least 0.01 in of rain or melted snow2 of 30
- Notable rainat least 0.10 in1 of 30
- Freezing nightslow 32°F or below3 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 0.3 in; a dry September brings about 0.0 in and a wet one about 0.5 in (25th and 75th percentiles). Days with half an inch or more are rare. Snow is very rare.
How September varies from year to year
- Warmest September, 1991-20202011: average high 80°F
- Coolest September2004: average high 71°F
- Wettest September2010: 1.0 in
- Driest September1991: no measurable precipitation
- Highest reading100°F (September 8, 2020)
- Lowest reading22°F (September 23, 2000)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 83°F | 76°F | 63°F |
| Normal low | 48°F | 41°F | 34°F |
| Wet days | 2 | 2 | 4 |
| Comfortable days | 11 | 15 | 11 |
| Daylight | 14.0 h | 12.5 h | 11.0 h |
Highs change by -7°F from August and -13°F into October.
Nearby alternatives in September
- Cooler: Cannon Beach, OR181 mi · high 68°F · 9 wet days
How Bend ranks in September
- Normal high261st warmest of 378 cities; 4th of 6 in Oregon
- Wet days62nd driest of 378
What to pack for Bend in September
- Layers – afternoons near 76°F but nights near 41°F
Frost in September
The first fall frost typically comes around Sep 20; in 1 year in 10 it comes before Sep 3. All frost dates for Bend.
Heating and cooling
September has 217 heating degree days and 23 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is Bend in September?
The normal high is 76°F and the normal low is 41°F. From 1991 to 2020 the hottest September reading was 100°F (most recently on September 8, 2020).
Does it rain a lot in Bend in September?
About 2 days in September have at least 0.01 in of precipitation, and the normal total is 0.3 in. The wettest September in 1991-2020 was in 2010 (1.0 in); the driest was in 1991, with no measurable precipitation.
Is September a good time to visit Bend?
September ranks 3rd of 12 months on our comfort score for Bend (72 out of 100). It has about 15 comfortable days (judged by temperature only) and about 1 day at 90°F or hotter. The best month is June.
Where the numbers come from
- Temperature, rain, snowfall and frost dates: Bend (USC00350694), 1.5 mi E of the city center, 3,660 ft . NOAA normals and daily records, 1991-2020.
- Snow depth: Bend 7 Ne (USC00350699), 6.7 mi NE of the city center, 3,358 ft (267 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Not available for this location: humidity and wind by hour, cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).