Click on a day for an hourly weather forecast
The temperatures in Kotor in September are comfortable with low of 16°C and and high up to 22°C.
You can expect about 3 to 8 days of rain in Kotor 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 Kotor in September 2025.
If you’re planning to visit Kotor in the near future, we highly recommend that you review the 14 day weather forecast for Kotor before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 7° / 2° | 10 | 21 | 0 | 331 mm | Bad | Kotor in January |
| February | 8° / 3° | 9 | 18 | 1 | 315 mm | Bad | Kotor in February |
| March | 10° / 5° | 9 | 22 | 0 | 290 mm | Bad | Kotor in March |
| April | 14° / 8° | 8 | 22 | 0 | 176 mm | Ok | Kotor in April |
| May | 18° / 12° | 9 | 22 | 0 | 168 mm | Ok | Kotor in May |
| June | 22° / 15° | 7 | 23 | 0 | 138 mm | Ok | Kotor in June |
| July | 26° / 18° | 3 | 28 | 0 | 64 mm | Perfect | Kotor in July |
| August | 27° / 19° | 3 | 28 | 0 | 61 mm | Perfect | Kotor in August |
| September | 22° / 16° | 6 | 24 | 0 | 156 mm | Good | Kotor in September |
| October | 18° / 12° | 6 | 25 | 0 | 253 mm | Good | Kotor in October |
| November | 14° / 9° | 8 | 22 | 0 | 404 mm | Ok | Kotor in November |
| December | 9° / 4° | 9 | 22 | 0 | 306 mm | Bad | Kotor in December |