Caledon in Fall

In fall (September, October and November), Caledon sees average daytime highs around 13°C and overnight lows near 4°C, with 220 mm of precipitation over about 31 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Over the season highs ease from about 23°C in early September to 3°C by late November. The sky is clear or mostly clear about 23% of the time across fall, and the air most often feels dry.

Fall is Caledon's 2nd-best season to visit on our travel score. For the whole year in context, see Caledon's year-round climate.

Avg daytime high
13°C
2nd-warmest season
Avg overnight low
4°C
Precipitation
220 mm
31 wet days
Avg wind
13 km/h
Travel score
3.5
2nd-best season
Months
Sep · Oct · Nov

Temperature in Caledon in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 23°C in early September to 3°C by late November.

A typical fall day in Caledon reaches about 13°C and drops to 4°C overnight. The warmest of the three months is September, the coolest November.

-10°10°20°30°SepOctNov

How fall really feels in Caledon

Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 40 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
40
wind chill below the day's low

The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.

Caledon weather by month

How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -10°6110.28.99.10.0
Feb-1° / -10°518.2710.20.0
Mar / -5°599.75.711.60.3
Apr12° / 8311.42.813.22.8
May18° / 8411.6014.55.5
Jun23° / 13°8911.6015.26.5
Jul26° / 15°8211014.96.6
Aug25° / 14°7410013.86.9
Sep21° / 10°749.6012.36.4
Oct13° / 7611.10.510.83.6
Nov / -1°7010.13.59.50.6
Dec / -6°6110.27.88.80.0

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Caledon gets around 220 mm of rain and snow over 31 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%SepOctNov

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%SepOctNov

Wind in Fall

Winds average 13 km/h across fall.

05101520SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 13 h 06 min in early September to 9 hours by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 2.8 kWh/m².

024SepOctNov
Planning a trip in fall

Is fall a good time to visit Caledon?

Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

3.5
Sightseeing
2nd-best month of the year
1.3
Beach & pool
2nd-best month of the year

fall is a weaker month for outdoor sightseeing in Caledon.

What to pack for Caledon in Fall

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

In fall, Caledon sees daytime highs around 13°C and nights near 4°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 31 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Caledon in Fall

The nearest coast averages about 13°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 56 km away) is warmest in August at about 21°C and coldest in February near 3°C.

It's comfortable for a long swim from Jul 20 to Sep 2 — about 1.5 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr4Bracing
May7Bracing
Jun15Bracing
Jul20Cool
Aug21Refreshing
Sep19Cool
Oct13Bracing
Nov8Bracing
Dec5Bracing

UV index in Caledon in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Caledon peaks around June 23 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 23UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun8Very high
Jul8Very high
Aug7High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Caledon in Fall

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Caledon is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1515 µg/m³Nov 218 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar13Moderate
Apr13Moderate
May14Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep13Moderate
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Caledon?

Caledon sits at 43.9°N, 80.0°W, 437 m above sea level, in Canada. The nearest listed city is Orangeville, 10 km away.

Topography around Caledon

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Caledon.

Within 3 km, the terrain around Caledon has only modest variations in elevation — a maximum elevation change of 86 m around an average of 429 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 286 m; within 80 km, significant variations in elevation — a maximum elevation change of 473 m.

The land around Caledon is covered by trees (39%), grassland (27%) and cropland (20%) within 3 km, trees (48%), cropland (26%) and grassland (22%) within 16 km, and cropland (35%) and trees (32%) within 80 km.

3 km
86 m
16 km
286 m
80 km
473 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Fall weather nearby: Orangeville 10 km · Bolton 21 km · Georgetown 25 km · Halton Hills 26 km · Brampton 27 km · Alliston 33 km · Mount Olive-Silverstone-Jamestown 35 km · Fergus 36 km

Canada travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 83% of US
price level, 2025
GDP per capita
$55,698
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
2
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 53%none 35%Muslim 5%Hindu 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 Caledon (43.8654°, -79.9932°, elevation 437 m), 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.