Fort William in Fall
In fall (September, October and November), Fort William sees average daytime highs around 10°C and overnight lows near 5°C, with 512 mm of precipitation over about 55 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 15°C in early September to 6°C by late November. The sky is clear or mostly clear about 5% of the time across fall, and the air most often feels dry.
Fall is Fort William's 2nd-best season to visit on our travel score. For the whole year in context, see Fort William's year-round climate.
- Avg daytime high
- 10°C
- 2nd-warmest season
- Avg overnight low
- 5°C
- Precipitation
- 512 mm
- 55 wet days
- Avg wind
- 11 km/h
- Travel score
- 1.9
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Fort William in Fall
Over the season highs ease from about 15°C in early September to 6°C by late November.
A typical fall day in Fort William reaches about 10°C and drops to 5°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Fort William
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 21 that feel at or below 0°C.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
Fort William 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 | 4° / 0° | 224 | 19.5 | 10.8 | 7.2 | 0.0 |
| Feb | 5° / 0° | 181 | 17.5 | 9.8 | 9.1 | 0.0 |
| Mar | 7° / 1° | 166 | 17.9 | 7.6 | 11.4 | 0.6 |
| Apr | 10° / 3° | 113 | 16.4 | 2.8 | 13.9 | 1.7 |
| May | 13° / 5° | 122 | 16.9 | 0.4 | 16.1 | 2.8 |
| Jun | 15° / 8° | 118 | 17.4 | 0 | 17.4 | 3.4 |
| Jul | 16° / 10° | 129 | 19.4 | 0 | 16.9 | 3.7 |
| Aug | 16° / 10° | 145 | 19.5 | 0 | 14.9 | 3.7 |
| Sep | 14° / 8° | 151 | 17 | 0 | 12.5 | 3.1 |
| Oct | 10° / 5° | 186 | 18.9 | 0.5 | 10 | 1.8 |
| Nov | 7° / 3° | 175 | 18.7 | 3.2 | 7.8 | 0.7 |
| Dec | 5° / 1° | 205 | 18.4 | 8 | 6.6 | 0.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 5% of the time across fall.
Chance of precipitation in Fall
Fort William gets around 512 mm of rain and snow over 55 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 11 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 h 42 min in early September to 7 hours 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 1.3 kWh/m².
Is fall a good time to visit Fort William?
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 Fort William.
What to pack for Fort William in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Fort William sees daytime highs around 10°C and nights near 5°C. Pack a warm layer and rain gear. Worth having: a heavy coat. About 55 days see rain.
Sea temperature near Fort William 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 47 km away) is warmest in August at about 14°C and coldest in February near 8°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 8 | 8 | 8 | 8 | 10 | 12 | 13 | 14 | 14 | 13 | 11 | 10 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 8 | Bracing |
| Feb | 8 | Bracing |
| Mar | 8 | Bracing |
| Apr | 8 | Bracing |
| May | 10 | Bracing |
| Jun | 12 | Bracing |
| Jul | 13 | Bracing |
| Aug | 14 | Bracing |
| Sep | 14 | Bracing |
| Oct | 13 | Bracing |
| Nov | 11 | Bracing |
| Dec | 10 | Bracing |
UV index in Fort William in Fall
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 Fort William peaks around July 11 at about 5 (high) — a little sun protection helps at midday. It bottoms out near December 19 at about 0 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 0 | 1 | 2 | 3 | 5 | 5 | 5 | 4 | 3 | 1 | 1 | 0 |
| Level | Low | Low | Low | Moderate | Moderate | High | High | Moderate | Moderate | Low | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 0 | Low |
| Feb | 1 | Low |
| Mar | 2 | Low |
| Apr | 3 | Moderate |
| May | 5 | Moderate |
| Jun | 5 | High |
| Jul | 5 | High |
| Aug | 4 | Moderate |
| Sep | 3 | Moderate |
| Oct | 1 | Low |
| Nov | 1 | Low |
| Dec | 0 | Low |
Where is Fort William?
Fort William sits at 56.8°N, 5.1°W, 24 m above sea level, in United Kingdom. The nearest listed city is Inverness, 91 km away.
Topography around Fort William
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Fort William.
Within 3 km, the terrain around Fort William has significant variations in elevation — a maximum elevation change of 521 m around an average of 97 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,341 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,339 m.
The land around Fort William is covered by grassland (48%), trees (23%) and water (21%) within 3 km, grassland (69%) and trees (22%) within 16 km, and grassland (68%) within 80 km.
United Kingdom travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type D / G / M
- 230 V · 50 Hz
- Prices
- ≈ 89% of US
- price level, 2025
- GDP per capita
- $57,602
- 2025
- Happiness
- 6.7 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.1
- per 100k, 2021
- Road deaths
- 3.2
- 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 Fort William (56.8165°, -5.1121°, elevation 24 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.