Typical September on the Montenegrin coast: 25–26°C by day, 18–20°C at night, sea 24°C. Podgorica: 27°C by day, 16°C at night. In the mountains: 16–22°C by day, 7–12°C at night. Rainy days in the month: 8–12 on the coast, 8–11 in the mountains.
Coast
25–26°C by day18–20°C at night
Sea
24°C
Podgorica
27°C by day16°C at night
Mountains
16–22°C by day7–12°C at night
| Place | High | Low | Sea | Sun/day | Rainy days |
|---|---|---|---|---|---|
| Coast | |||||
| Budva | 26° | 19° | 24° | 10.4 h | 12 |
| Kotor | 25° | 19° | 24° | 10.4 h | 10 |
| Ulcinj | 26° | 19° | 24° | 10.3 h | 8 |
| Herceg Novi | 25° | 19° | 24° | 10.5 h | 11 |
| Tivat | 25° | 19° | 24° | 10.4 h | 10 |
| Bar | 26° | 20° | 24° | 10.1 h | 9 |
| Sveti Stefan | 26° | 19° | 24° | 10.3 h | 10 |
| Petrovac | 26° | 19° | 24° | 10.3 h | 10 |
| Bečići | 26° | 19° | 24° | 10.4 h | 12 |
| Sutomore | 26° | 19° | 24° | 10.1 h | 9 |
| Čanj | 25° | 18° | 24° | 10.1 h | 9 |
| Perast | 25° | 19° | 24° | 10.4 h | 10 |
| Igalo | 25° | 19° | 24° | 10.5 h | 11 |
| Mountains | |||||
| Žabljak | 16° | 7° | – | 9.9 h | 10 |
| Kolašin | 20° | 9° | – | 10.1 h | 9 |
| Mojkovac | 21° | 10° | – | 10 h | 8 |
| Rožaje | 20° | 11° | – | 9.8 h | 10 |
| Plav | 21° | 9° | – | 9.9 h | 8 |
| Gusinje | 21° | 10° | – | 10 h | 9 |
| Andrijevica | 22° | 11° | – | 9.9 h | 11 |
| Plužine | 21° | 12° | – | 9.9 h | 10 |
| Šavnik | 21° | 11° | – | 10 h | 9 |
| Central & valleys | |||||
| Podgorica | 27° | 16° | – | 9.9 h | 8 |
| Cetinje | 22° | 15° | – | 10.3 h | 14 |
| Nikšić | 23° | 12° | – | 10.2 h | 8 |
| Danilovgrad | 27° | 16° | – | 9.9 h | 8 |
| Bijelo Polje | 23° | 11° | – | 10 h | 8 |
| Berane | 23° | 11° | – | 9.9 h | 9 |
| Petnjica | 22° | 11° | – | 10 h | 8 |
| Pljevlja | 21° | 10° | – | 9.8 h | 10 |
Averages based on 2021–2024 data (open-meteo). Sea temperatures are typical Adriatic values along the Montenegrin coast.
Typical September on the Montenegrin coast: 25–26°C by day, 18–20°C at night, sea 24°C. Podgorica: 27°C by day, 16°C at night. In the mountains: 16–22°C by day, 7–12°C at night.
The sea along the Montenegrin coast is around 24°C in September. Swimming season: June, July, August, September.
Rainy days in the month: 8–12 on the coast, 8–11 in the mountains.
