Baie-Comeau in Fall

In fall (September, October and November), Baie-Comeau sees average daytime highs around 8°C and overnight lows near 3°C, with 308 mm of precipitation over about 35 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.

Over the season highs ease from about 17°C in early September to -1°C by late November. The sky is clear or mostly clear about 19% of the time across fall, and the air most often feels dry.

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

Avg daytime high
8°C
2nd-warmest season
Avg overnight low
3°C
Precipitation
308 mm
35 wet days
Avg wind
14 km/h
Travel score
1.7
2nd-best season
Months
Sep · Oct · Nov

Temperature in Baie-Comeau in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 17°C in early September to -1°C by late November.

A typical fall day in Baie-Comeau reaches about 8°C and drops to 3°C overnight. The warmest of the three months is September, the coolest November.

-10°10°20°SepOctNov

How fall really feels in Baie-Comeau

Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 45 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
45
10 feel bitter (≤ -10°C)

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

Baie-Comeau 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-10° / -17°659.910.88.50.0
Feb-8° / -16°568.28.69.80.0
Mar-3° / -10°7210.41011.60.0
Apr / -2°8410.66.613.40.1
May11° / 8512115.12.4
Jun17° / 11°8211.2015.95.1
Jul20° / 14°10413.2015.65.7
Aug19° / 13°9311.9014.25.8
Sep14° / 10311.5012.44.0
Oct / 11012.21.910.51.2
Nov / -3°9511.57.98.90.0
Dec-5° / -12°9011.9128.10.0

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Baie-Comeau gets around 308 mm of rain and snow over 35 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 14 km/h across fall.

05101520SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 13 h 18 min in early September to 8 h 18 min 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 2.3 kWh/m².

012345SepOctNov
Planning a trip in fall

Is fall a good time to visit Baie-Comeau?

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.

1.7
Sightseeing
2nd-best month of the year
0.1
Beach & pool
2nd-best month of the year

fall is a weaker month for outdoor sightseeing in Baie-Comeau.

What to pack for Baie-Comeau in Fall

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

In fall, Baie-Comeau sees daytime highs around 8°C and nights near 3°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 35 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Baie-Comeau in Fall

The nearest coast averages about 6°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 13°C and coldest in February near -1°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan0Bracing
Feb0Bracing
Mar0Bracing
Apr1Bracing
May4Bracing
Jun10Bracing
Jul13Bracing
Aug13Bracing
Sep10Bracing
Oct6Bracing
Nov2Bracing
Dec1Bracing

UV index in Baie-Comeau in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Baie-Comeau peaks around July 11 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. 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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 11UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May5Moderate
Jun6High
Jul6High
Aug2Low
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Baie-Comeau 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 Baie-Comeau is worst in June — around 18 µg/m³ PM2.5 (moderate), about 10.1× the cleanest month (December, 2 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1717 µg/m³Dec 142 µg/m³
PM2.5 (µg/m³)Level
Jan3Good
Feb4Good
Mar7Good
Apr8Good
May8Good
Jun18Moderate
Jul10Good
Aug9Good
Sep6Good
Oct4Good
Nov2Good
Dec2Good
Location & terrain

Where is Baie-Comeau?

Baie-Comeau sits at 49.2°N, 68.1°W, 76 m above sea level, in Canada. The nearest listed city is Rimouski, 90 km away.

Topography around Baie-Comeau

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

Within 3 km, the terrain around Baie-Comeau has only modest variations in elevation — a maximum elevation change of 127 m around an average of 37 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 296 m; within 80 km, significant variations in elevation — a maximum elevation change of 599 m.

The land around Baie-Comeau is covered by water (48%) and trees (35%) within 3 km, water (48%) and trees (43%) within 16 km, and trees (55%) and water (40%) within 80 km.

3 km
127 m
16 km
296 m
80 km
599 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
Fall weather nearby: Rimouski 90 km · Sept-Îles 168 km · Rivière-du-Loup 186 km · Edmundston 205 km · Chicoutimi 231 km · Saguenay 231 km · Jonquière 244 km · Alma 266 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 Baie-Comeau (49.2168°, -68.1489°, elevation 76 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.