Click on a day for an hourly weather forecast
The temperatures in Herceg Novi in September are comfortable with low of 14°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Herceg Novi 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 Herceg Novi in September 2026.
If you’re planning to visit Herceg Novi in the near future, we highly recommend that you review the 14 day weather forecast for Herceg Novi before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 10° / 0° | 9 | 21 | 0 | 340 mm | Bad | Herceg Novi in January |
| February | 11° / 1° | 10 | 18 | 1 | 313 mm | Bad | Herceg Novi in February |
| March | 13° / 3° | 10 | 20 | 0 | 295 mm | Bad | Herceg Novi in March |
| April | 17° / 7° | 8 | 22 | 0 | 187 mm | Ok | Herceg Novi in April |
| May | 21° / 12° | 9 | 22 | 0 | 187 mm | Ok | Herceg Novi in May |
| June | 25° / 18° | 7 | 23 | 0 | 147 mm | Good | Herceg Novi in June |
| July | 29° / 19° | 4 | 27 | 0 | 60 mm | Good | Herceg Novi in July |
| August | 29° / 19° | 3 | 28 | 0 | 54 mm | Good | Herceg Novi in August |
| September | 25° / 14° | 6 | 24 | 0 | 152 mm | Perfect | Herceg Novi in September |
| October | 20° / 10° | 7 | 24 | 0 | 254 mm | Ok | Herceg Novi in October |
| November | 16° / 6° | 9 | 21 | 0 | 409 mm | Ok | Herceg Novi in November |
| December | 11° / 2° | 10 | 21 | 0 | 304 mm | Bad | Herceg Novi in December |