Click on a day for an hourly weather forecast
The temperatures in Inverness in September are quite cold with temperatures between 7°C and 14°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Inverness during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Inverness in September 2025.
If you’re planning to visit Inverness in the near future, we highly recommend that you review the 14 day weather forecast for Inverness before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -1° | 10 | 7 | 15 | 87 mm | Awful | Inverness in January |
| February | 4° / -1° | 10 | 7 | 12 | 97 mm | Awful | Inverness in February |
| March | 6° / 0° | 9 | 13 | 9 | 86 mm | Awful | Inverness in March |
| April | 9° / 2° | 9 | 16 | 5 | 77 mm | Awful | Inverness in April |
| May | 12° / 4° | 9 | 19 | 3 | 98 mm | Awful | Inverness in May |
| June | 15° / 7° | 9 | 21 | 0 | 120 mm | Ok | Inverness in June |
| July | 16° / 9° | 9 | 22 | 0 | 129 mm | Ok | Inverness in July |
| August | 16° / 8° | 8 | 23 | 0 | 125 mm | Ok | Inverness in August |
| September | 14° / 7° | 7 | 23 | 0 | 84 mm | Ok | Inverness in September |
| October | 10° / 4° | 9 | 22 | 1 | 106 mm | Bad | Inverness in October |
| November | 6° / 2° | 10 | 15 | 5 | 99 mm | Awful | Inverness in November |
| December | 3° / 0° | 10 | 11 | 10 | 90 mm | Awful | Inverness in December |