Welland in Fall

In fall (September, October and November), Welland sees average daytime highs around 14°C and overnight lows near 10°C, with 273 mm of precipitation over about 34 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.

Over the season highs ease from about 23°C in early September to 6°C by late November. The sky is clear or mostly clear about 25% of the time across fall, and the air most often feels dry.

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

Avg daytime high
14°C
2nd-warmest season
Avg overnight low
10°C
Precipitation
273 mm
34 wet days
Avg wind
19 km/h
Travel score
3.8
2nd-best season
Months
Sep · Oct · Nov

Temperature in Welland in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 23°C in early September to 6°C by late November.

A typical fall day in Welland reaches about 14°C and drops to 10°C overnight. The warmest of the three months is September, the coolest November.

10°20°30°SepOctNov

How fall really feels in Welland

Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 18 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
18
wind chill below the day's low

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

Welland 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-1° / -6°7712.48.79.20.0
Feb-1° / -6°609.4710.20.0
Mar / -3°7710.94.811.60.0
Apr / 10011.91.813.11.7
May16° / 11°9012.2014.44.8
Jun22° / 17°10312.1015.16.4
Jul25° / 20°10512014.86.7
Aug24° / 20°9010.9013.86.9
Sep21° / 16°9010.3012.36.4
Oct14° / 10°9812.40.110.83.9
Nov / 8511.62.59.51.2
Dec / -1°83126.88.90.0

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Welland gets around 273 mm of rain and snow over 34 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 19 km/h across fall.

0510152025SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 13 hours in early September to 9 h 06 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 2.9 kWh/m².

024SepOctNov
Planning a trip in fall

Is fall a good time to visit Welland?

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.

3.8
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 Welland.

What to pack for Welland in Fall

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

In fall, Welland sees daytime highs around 14°C and nights near 10°C. Pack a warm layer. Worth having: a heavy coat, rain gear and a windbreaker. About 34 days see rain.

a warm layera heavy coatrain geara windbreaker

Sea temperature near Welland in Fall

The nearest coast averages about 16°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 16 km away) is warmest in August at about 23°C and coldest in February near 1°C.

It's comfortable for a long swim from Jul 4 to Sep 20 — about 2.6 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan3Bracing
Feb1Bracing
Mar1Bracing
Apr3Bracing
May9Bracing
Jun17Cool
Jul22Refreshing
Aug23Refreshing
Sep21Refreshing
Oct16Cool
Nov10Bracing
Dec6Bracing

UV index in Welland in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Welland peaks around June 21 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 21UV 8Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5High
May7High
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Welland 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 Welland is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1315 µg/m³Nov 177 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar12Good
Apr12Moderate
May14Moderate
Jun15Moderate
Jul15Moderate
Aug13Moderate
Sep11Good
Oct7Good
Nov7Good
Dec7Good
Location & terrain

Where is Welland?

Welland sits at 43.0°N, 79.2°W, 180 m above sea level, in Canada. The nearest listed city is Port Colborne, 9.0 km away.

Topography around Welland

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

Within 3 km, the terrain around Welland has only modest variations in elevation — a maximum elevation change of 47 m around an average of 180 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 181 m; within 80 km, significant variations in elevation — a maximum elevation change of 588 m.

The land around Welland is covered by artificial surfaces (36%), trees (28%) and grassland (27%) within 3 km, trees (33%), cropland (30%) and grassland (21%) within 16 km, and water (40%) and trees (29%) within 80 km.

3 km
47 m
16 km
181 m
80 km
588 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Fall weather nearby: Port Colborne 9.0 km · Thorold 15 km · Niagara Falls 20 km · Niagara Falls 20 km · St. Catharines 21 km · Grand Island 24 km · Fort Erie 27 km · Kenmore 31 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 Welland (42.9834°, -79.2496°, elevation 180 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.