Canby weather in September

In September, Canby sees average daytime highs of 76°F and overnight lows near 52°F, with 1.5 in of rain across 5.5 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 79°F in the first days to 72°F by the end. The sky is clear or mostly clear about 48% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 06 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Canby's 3rd-clearest and 11th-windiest month. For the whole year in context, see Canby's year-round climate.

Daytime high
76°
3rd warmest
Overnight low
52°
10th coldest
Rainfall
1.5 in
5.5 wet days
Daylight
12 h 18 min
5:56 AM – 6:14 PM
Cloud cover
41%
3rd clearest
Wind
4 mph
11th windiest
Solar energy
4.56 kWh/m²
Travel score
7.8
out of 10

Canby is city in Clackamas County, Oregon, United States.

Density
1,760/km²
people per km²
Founded
1857

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 79°F in the first days to 72°F by the end.

A typical September day in Canby reaches about 76°F in the afternoon and slips back to 52°F overnight — a 24°F spread between the day's warmth and the night's chill. On most days the high lands between 65°F and 88°F. Set against its neighbours, September runs about 7°F cooler than August and about 12°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
18055
28055
38055
47955
57954
67954
77954
87854
97854
107854
117753
127753
137753
147653
157653
167652
177652
187552
197552
207551
217451
227451
237451
247351
257350
267350
277250
287250
297149
307149

How September really feels in Canby

Once humidity and wind are folded in, September averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Canby weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan48° / 37°6.616.91.58.91.4
Feb51° / 37°5.114.31.210.12.2
Mar56° / 40°5.616.90.711.63.0
Apr60° / 43°4.315.7013.24.2
May67° / 48°2.610.6014.66.0
Jun73° / 52°1.67.1015.47.2
Jul82° / 56°0.42.4015.17.6
Aug83° / 57°0.52.1013.97.5
Sep76° / 52°1.55.5012.37.8
Oct64° / 46°4.011.6010.75.4
Nov53° / 40°6.716.90.29.32.4
Dec47° / 37°7.617.71.38.61.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16931
26931
36931
46832
56832
66733
76634
86535
96535
106436
116337
126238
136139
146238
156139
166139
176238
186238
196238
206238
216238
226238
236238
246238
256238
266238
276139
286139
296040
306040

Chance of precipitation in September

Any precipitation

Canby gets around 1.5 in of rain over 5.5 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 19% and peaks near 26% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
111
212
312
412
513
614
714
815
916
1017
1118
1218
1319
1419
1520
1620
1720
1821
1921
2021
2122
2222
2322
2423
2523
2624
2724
2825
2925
3026

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 85% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
180191
280191
380191
481181
581181
682171
782171
882171
983161
1083161
1183161
1284151
1384151
1484151
1584151
1685141
1785141
1885141
1986131
2086131
2187121
2287121
2387121
2488111
2589101
2689101
2789101
289091
299091
309091

Wind in September

Winds average 4 mph in September.

Across September, daily wind ranges from about 4 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 06 min at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over September. Sunrise moves from 5:37 AM to 6:13 AM, and sunset from 6:44 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:376:44
213.15:386:42
313.05:406:40
413.05:416:38
512.95:426:36
612.85:436:34
712.85:456:32
812.75:466:30
912.75:476:28
1012.65:486:26
1112.65:496:24
1212.55:516:22
1312.55:526:20
1412.45:536:18
1512.45:546:16
1612.35:566:14
1712.35:576:12
1812.25:586:10
1912.15:596:08
2012.16:016:06
2112.06:026:04
2212.06:036:02
2311.96:056:00
2411.96:065:58
2511.86:075:57
2611.86:085:55
2711.76:105:53
2811.76:115:51
2911.66:125:49
3011.66:135:47

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.56 kWh/m².

For context, solar energy here swings from a low near 1.06 kWh/m² to a high of 6.97 kWh/m² in July across the year — September's 4.56 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.2Bright
45.2Bright
55.1Bright
65.1Bright
75.0Bright
85.0Bright
94.9Bright
104.8Bright
114.8Bright
124.7Bright
134.7Bright
144.6Bright
154.5Bright
164.5Bright
174.4Bright
184.4Bright
194.3Bright
204.3Bright
214.2Bright
224.2Bright
234.1Bright
244.0Bright
254.0Moderate
263.9Moderate
273.9Moderate
283.8Moderate
293.7Moderate
303.7Moderate
Planning a trip in September

Hazard calendar for Canby

In seasonPeak

None of Canby's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Canby's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Canby?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.8
Sightseeing
1st-best month of the year
6.6
Beach & pool
3rd-best month of the year

September is one of the better times to visit Canby for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Canby in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Canby sees daytime highs around 76°F and nights near 52°F. Worth packing: light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Canby in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Canby peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highVery highHighModerateLowJul 17UV 8Dec 17UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May8Very high
Jun7High
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Canby in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Canby is worst in September — around 34 µg/m³ PM2.5 (moderate), about 5.1× the cleanest month (January, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1531 µg/m³Jan 167 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar11Good
Apr11Good
May9Good
Jun8Good
Jul7Good
Aug14Moderate
Sep34Moderate
Oct11Good
Nov10Good
Dec8Good
Location & terrain

Where is Canby?

Canby sits at 45.3°N, 122.7°W, 157 ft above sea level, in United States. The nearest listed city is Wilsonville, 5.0 mi away.

Topography around Canby

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Canby.

Within 2 miles, the terrain around Canby has only modest variations in elevation — a maximum elevation change of 217 ft around an average of 135 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,280 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,093 ft.

The land around Canby is covered by trees (38%), grassland (22%) and artificial surfaces (20%) within 2 miles, trees (50%) and grassland (25%) within 10 miles, and trees (74%) within 50 miles.

2 miles
217 ft
10 miles
1,280 ft
50 miles
11,093 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Wilsonville 5.0 mi · Oregon City 7.5 mi · West Linn 8.1 mi · Tualatin 9.3 mi · Sherwood 9.9 mi · Oak Grove 11 mi · Lake Oswego 11 mi · Woodburn 11 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Canby (45.2629°, -122.6926°, elevation 157 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).