Fort William
September
Weather in Fort William for September 2025
Your guide to Fort William weather in September - trends and predictions
Fort William typically experiences moderate snowfall in September, with an average of 6 snowy days.
In general, the average temperature in Fort William at the beginning of September is 14.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 6.9 °C by the end of September.
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Snow Forecast ❄️
Temperatures
More
12
Dry days
12
Rainy days
6
Snow days
12°/6°
Temperatures
12 km/h
Avg max wind
85 %
Avg humidity
Fort William in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  13° | 2 14° | 3 10° | 4 10° | 5  15° | 6 21° | 7  20° |
| 8 19° | 9  9° | 10 9° | 11  7° | 12  7° | 13 7° | 14 11° |
| 15 11° | 16  13° | 17 18° | 18 19° | 19  18° | 20 17° | 21 16° |
| 22 15° | 23 13° | 24  7° | 25 5° | 26  7° | 27 6° | 28 7° |
| 29 9° | 30 7° |
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Temperatures trend during September in Fort William
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy rain possible | 13° /5° | 0.4 mm | 0 cm | |
| 2 Sept. | Light rain shower | 14° /10° | 3.7 mm | 0 cm | |
| 3 Sept. | Light rain shower | 10° /6° | 2.9 mm | 0 cm | |
| 4 Sept. | Light rain shower | 10° /4° | 1 mm | 0 cm | |
| 5 Sept. | Mist | 15° /7° | 0 mm | 0 cm | |
| 6 Sept. | Mist | 21° /11° | 0 mm | 0 cm | |
| 7 Sept. | Overcast | 20° /13° | 0 mm | 0 cm | |
| 8 Sept. | Light rain shower | 19° /9° | 1.9 mm | 0 cm | |
| 9 Sept. | Light rain | 9° /6° | 10.6 mm | 0 cm | |
| 10 Sept. | Light rain shower | 9° /2° | 5.9 mm | 0.1 cm | |
| 11 Sept. | Light snow showers | 7° /2° | 2.2 mm | 0.1 cm | |
| 12 Sept. | Light snow | 7° /1° | 0.4 mm | 0 cm | |
| 13 Sept. | Light rain shower | 7° /3° | 3 mm | 0 cm | |
| 14 Sept. | Light rain | 11° /5° | 7.8 mm | 0 cm | |
| 15 Sept. | Light rain shower | 11° /7° | 2.5 mm | 0 cm | |
| 16 Sept. | Cloudy | 13° /7° | 0 mm | 0 cm | |
| 17 Sept. | Overcast | 18° /12° | 0 mm | 0 cm | |
| 18 Sept. | Mist | 19° /13° | 0 mm | 0 cm | |
| 19 Sept. | Sunny | 18° /11° | 0 mm | 0 cm | |
| 20 Sept. | Sunny | 17° /9° | 0 mm | 0 cm | |
| 21 Sept. | Cloudy | 16° /10° | 0 mm | 0 cm | |
| 22 Sept. | Sunny | 15° /8° | 0 mm | 0 cm | |
| 23 Sept. | Patchy rain possible | 13° /7° | 0.2 mm | 0 cm | |
| 24 Sept. | Heavy snow | 7° /1° | 32.7 mm | 13 cm | |
| 25 Sept. | Patchy moderate snow | 5° /2° | 3.8 mm | 0.1 cm | |
| 26 Sept. | Light sleet | 7° /1° | 0.7 mm | 0 cm | |
| 27 Sept. | Light sleet | 6° /1° | 1.5 mm | 0 cm | |
| 28 Sept. | Patchy rain possible | 7° /1° | 0.6 mm | 0 cm | |
| 29 Sept. | Patchy rain possible | 9° /5° | 0.2 mm | 0 cm | |
| 30 Sept. | Light rain | 7° /4° | 8 mm | 0 cm | |
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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.
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 12° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Fort William during September?
Moderate rainfall is anticipated in Fort William during September, with a total of 90 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
Will it snow in Fort William in September 2025?
Fort William experiences an average snowfall of 13.3 cm during September, occurring over 6 days.
What are the typical wind conditions in Fort William during September?
The average wind speed in Fort William during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
Fort William snow forecast September 2025
Track daily snowfall levels and discover Fort William’s snowy potential this September ❄️
September rainfall patterns in Fort William
Explore the daily rainfall trends and prepare for Fort Williams September weather 💧
UV exposure in Fort William during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Fort William?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.
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