Lethbridge in Fall
In fall (September, October and November), Lethbridge sees average daytime highs around 12°C and overnight lows near 1°C, with 86 mm of precipitation over about 17 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 2°C by late November. The sky is clear or mostly clear about 36% of the time across fall, and the air most often feels dry.
Fall is Lethbridge's 2nd-best season to visit on our travel score. For the whole year in context, see Lethbridge's year-round climate.
- Avg daytime high
- 12°C
- 2nd-warmest season
- Avg overnight low
- 1°C
- Precipitation
- 86 mm
- 17 wet days
- Avg wind
- 13 km/h
- Travel score
- 3.7
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Lethbridge in Fall
Over the season highs ease from about 23°C in early September to 2°C by late November.
A typical fall day in Lethbridge reaches about 12°C and drops to 1°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Lethbridge
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 55 that feel at or below 0°C.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
Lethbridge 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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -1° / -10° | 14 | 4.4 | 4.9 | 8.4 | 0.0 |
| Feb | 1° / -9° | 13 | 3.9 | 4.5 | 9.8 | 0.0 |
| Mar | 6° / -5° | 22 | 6 | 5.4 | 11.5 | 0.6 |
| Apr | 12° / 0° | 40 | 7.9 | 3.4 | 13.4 | 3.3 |
| May | 18° / 5° | 59 | 9.1 | 1 | 15.1 | 5.7 |
| Jun | 21° / 10° | 92 | 11 | 0 | 16 | 6.3 |
| Jul | 26° / 12° | 35 | 6.8 | 0 | 15.7 | 7.5 |
| Aug | 25° / 11° | 35 | 5.8 | 0.1 | 14.2 | 7.7 |
| Sep | 20° / 7° | 37 | 5.8 | 0.4 | 12.4 | 7.0 |
| Oct | 12° / 2° | 28 | 5.8 | 2.2 | 10.5 | 3.8 |
| Nov | 5° / -4° | 22 | 5.3 | 4.8 | 8.8 | 0.3 |
| Dec | -0° / -9° | 16 | 4.4 | 4.7 | 8 | 0.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 36% of the time across fall.
Chance of precipitation in Fall
Lethbridge gets around 86 mm of rain and snow over 17 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 13 km/h across fall.
Sunrise & sunset in Fall
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.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 2.9 kWh/m².
Is fall a good time to visit Lethbridge?
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.
fall is a weaker month for outdoor sightseeing in Lethbridge.
What to pack for Lethbridge in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Lethbridge sees daytime highs around 12°C and nights near 1°C. Pack a warm layer and a heavy coat. About 17 days see rain.
UV index in Lethbridge in Fall
Clear-sky midday UV across fall averages around 3. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Lethbridge peaks around July 15 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 18 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 3 | 5 | 6 | 6 | 8 | 5 | 4 | 3 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | Very high | Moderate | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 3 | Moderate |
| Apr | 5 | Moderate |
| May | 6 | High |
| Jun | 6 | High |
| Jul | 8 | Very high |
| Aug | 5 | Moderate |
| Sep | 4 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Lethbridge?
Lethbridge sits at 49.7°N, 112.8°W, 907 m above sea level, in Canada. The nearest listed city is Okotoks, 141 km away.
Topography around Lethbridge
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Lethbridge.
Within 3 km, the terrain around Lethbridge has only modest variations in elevation — a maximum elevation change of 106 m around an average of 904 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 178 m; within 80 km, large variations in elevation — a maximum elevation change of 1,058 m.
The land around Lethbridge is covered by artificial surfaces (54%) and grassland (29%) within 3 km, cropland (55%) and grassland (34%) within 16 km, and cropland (58%) and grassland (39%) within 80 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
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 Lethbridge (49.7°, -112.8186°, elevation 907 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.