Fort William
September
Weather in Fort William for September 2026
Your guide to Fort William weather in September - trends and predictions
Snowfall in Fort William during September is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Fort William at the beginning of September is 13.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 8.4 °C by the end of September.
Fort William in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 116.6 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Snow Forecast ❄️
Temperatures
Rain 🌧️
More
10
Dry days
19
Rainy days
1
Snow days
11°/6°
Temperatures
13 km/h
Avg max wind
86 %
Avg humidity
Fort William Weather September
Move between months or click on a day
Temperatures trend during September in Fort William
See the weather trend as well as the moving average line
September weather in Fort William day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy rain possible | 12° /7° | 8.3 mm | 0 cm | |
| 2 Sept. | Light rain shower | 13° /9° | 4.9 mm | 0 cm | |
| 3 Sept. | Light rain shower | 10° /7° | 4.1 mm | 0 cm | |
| 4 Sept. | Light rain shower | 11° /6° | 1.7 mm | 0 cm | |
| 5 Sept. | Mist | 13° /7° | 0.8 mm | 0 cm | |
| 6 Sept. | Mist | 17° /10° | 0 mm | 0 cm | |
| 7 Sept. | Overcast | 19° /10° | 7.5 mm | 0 cm | |
| 8 Sept. | Light rain shower | 15° /7° | 1.7 mm | 0 cm | |
| 9 Sept. | Light rain | 10° /6° | 5.3 mm | 0 cm | |
| 10 Sept. | Light rain shower | 10° /4° | 11.1 mm | 0 cm | |
| 11 Sept. | Light snow showers | 8° /4° | 6.2 mm | 0 cm | |
| 12 Sept. | Light snow | 8° /3° | 5 mm | 0 cm | |
| 13 Sept. | Light rain shower | 8° /4° | 4.9 mm | 0 cm | |
| 14 Sept. | Light rain | 10° /5° | 8.8 mm | 0 cm | |
| 15 Sept. | Light rain shower | 10° /6° | 4.8 mm | 0 cm | |
| 16 Sept. | Cloudy | 12° /7° | 1.2 mm | 0 cm | |
| 17 Sept. | Overcast | 15° /9° | 1.1 mm | 0 cm | |
| 18 Sept. | Mist | 15° /10° | 0.5 mm | 0 cm | |
| 19 Sept. | Sunny | 15° /9° | 1.6 mm | 0 cm | |
| 20 Sept. | Sunny | 14° /6° | 0.9 mm | 0 cm | |
| 21 Sept. | Cloudy | 12° /5° | 0.2 mm | 0 cm | |
| 22 Sept. | Sunny | 12° /5° | 0 mm | 0 cm | |
| 23 Sept. | Patchy rain possible | 12° /5° | 0.1 mm | 0 cm | |
| 24 Sept. | Heavy snow | 9° /3° | 16.3 mm | 6.5 cm | |
| 25 Sept. | Patchy moderate snow | 8° /4° | 1.9 mm | 0.1 cm | |
| 26 Sept. | Light sleet | 10° /3° | 0.3 mm | 0 cm | |
| 27 Sept. | Light sleet | 7° /3° | 11 mm | 0 cm | |
| 28 Sept. | Patchy rain possible | 8° /3° | 0.5 mm | 0 cm | |
| 29 Sept. | Patchy rain possible | 9° /5° | 0.3 mm | 0 cm | |
| 30 Sept. | Light rain | 8° /5° | 5.7 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for Fort William in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Fort William forecast closer to your planned date for the most up-to-date weather information.
Change Month
Fort William in September - FAQ
What are the expected maximum and minimum temperatures in Fort William during September?
During September, expect a variety of temperatures with highs around 11° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Fort William during September?
Significant rainfall exceeding 116.6 mm is expected in Fort William during September, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Fort William in September 2026?
Fort William typically sees 6.63 cm of snowfall during September.
What are the typical wind conditions in Fort William during September?
The average wind speed in Fort William during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
Fort William snow forecast September 2026
Track daily snowfall levels and discover Fort William’s snowy potential this September ❄️
On average, Fort William sees 1 snowy days during September, with approximately 6.6 cm of total snowfall.
September rainfall patterns in Fort William
Explore the daily rainfall trends and prepare for Fort Williams September weather 💧
Typically, Fort William has 19 rainy days in September with a total of 116.6 mm of rainfall.
Quick links
More Fort William weather pages
You are here
Get accurate weather forecasts for Fort William, located at latitude 56.816 and longitude -5.112. Stay updated with localized weather information tailored for Fort William.
Found a mistake?
We appreciate your attention to details. Tell us here.