Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™

Campbellville, Ontario

69°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Campbellville

Ontario

69°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Campbellville, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities
Yellow Advisory - Fog

September

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
30
69°
65°
31
N/A
1
Humid with a heavy t-storm
86°
68°
2
Partly sunny with a t-storm
85°
68°
3
A t-storm around in the a.m.
80°
62°
4
Partly sunny and nice
78°
59°
5
Sunny and pleasant
74°
56°
6
Partly sunny and comfortable
71°
57°
7
Sun and areas of high clouds
74°
55°
8
Variable cloudiness
71°
56°
9
A couple of morning showers
72°
60°
10
A little a.m. rain; clearing
74°
56°
11
Sunshine and a few clouds
69°
54°
12
Mostly sunny
70°
53°
13
Partial sunshine
67°
54°
14
Increasing clouds; less humid
68°
50°
15
Sun and some clouds
70°
56°
16
Partly sunny
73°
55°
17
Plenty of sunshine
72°
53°
18
Mostly sunny
65°
50°
19
Mostly sunny
69°
54°
20
Cloudy
73°
56°
21
Abundant sunshine and humid
73°
56°
22
A bright blue sky
72°
55°
23
Clouds and sun
73°
54°
24
Less humid with plenty of sun
72°
53°
25
Plenty of sun
71°
53°
26
Plenty of sun
70°
52°
27
Abundant sunshine
71°
53°
28
Wall-to-wall sunshine
71°
52°
29
Plenty of sunshine
69°
51°
30
Increasing cloudiness
65°
50°
1
A blend of sun and clouds
65°
50°
2
Clouds and sun
68°
51°
3
Turning cloudy
69°
50°

Temperature Graph

°F
90° 80° 70° 60° 50° Sep
Today 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

September Weather in Campbellville

Campbellville's September 2026 forecast shows daily high temperatures ranging from 65° to 86°, with overnight lows between 50° and 68°. The average high for September is 72° with an average low of 55°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Campbellville. See also: October | November | December.

Further Ahead

October 2026

November 2026

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Tropical Storm Edouard tracking toward Texas with flooding downpours, ...

6 hours ago

Weather News

Nepal school principal saved 1,600 children from flooding

12 hours ago

Severe Weather

Severe storms, downpours to hound Upper Midwest to Northeast

10 hours ago

Astronomy

September nights bring planets, longer nights and the Harvest Moon

11 hours ago

Hurricane

Tropical moisture near Florida could raise storm threat into Labor Day

6 hours ago

More Stories

Featured Stories

Weather News

2 dead, about 14 missing after Grand Canyon flash flood

11 hours ago

Weather News

Hummingbirds are migrating south. This map shows when they will leave

4 days ago

Recreation

Wolf activity prompts tent camping ban at Isle Royale National Park

14 hours ago

Weather News

Officer dies while helping residents evacuate Oklahoma wildfire

13 hours ago

Weather News

At least 7 dead after ferry capsizes off northern Cyprus

14 hours ago

World North America Canada Ontario Campbellville

Weather Near Campbellville:

  • Brampton, Ontario
  • Mississauga Valley, Ontario
  • Toronto, Ontario
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...