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Risan Weather in September

With daytime temperatures of 23°C (73°F) and nighttime lows of 14°C (57°F), September in Risan brings high temperatures during the day. Do keep in mind that September is part of the rainy season, with frequent and often heavy rainfall.

Rainfall in Risan in September

As part of the rainy season, Risan sees around 9 days of rain in September, with an average of 194 mm (7.6 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Risan in September

In September, Risan sees high temperatures, with highs of 23°C (73°F). Nights drop to around 14°C (57°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 14°C (57°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Risan in September

Expect a lot of sunshine this month, with about 251 hours of sun. Showers typically arrive in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, there's plenty of sunshine for sightseeing.

If you prefer enjoying temperate temperatures and rain-free days, June, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Montenegro, check out our Risan's climate page.

Risan Temperature in September

Min TemperatureMin Temperature 14°C (57°F)  
Max TemperatureMax Temperature 23°C (73°F)  
Chance of RainChance of Rain 29%  
PrecipitationPrecipitation 194 mm (7.6 in)  
Rainy daysRainy days 9 days  
HumidityHumidity 70% *  
SunshineSunshine 251 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Herceg-Novi, Montenegro (14 KM, 9 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Risan typically drop from around 28°C (82°F) at the start of September to approximately 24°C (75°F) by the end. Nights are pleasant, with lows typically ranging from 13°C (55°F) to 17°C (63°F).

Average temperatures in September

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

Historical weather for Risan in September

Browse day-by-day weather records for Risan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Risan historical weather extremes in September

Based on 49 years of weather observations in Risan between 1976 and 2025, these are the recorded extremes.

  • The warmest day in September was on September 16, 1987, with a maximum of 36°C (97°F).
  • On September 28, 2002, Risan saw its coldest September day with temperatures maxing out at 17°C (63°F).
  • The lowest overnight temperature recorded in September was 5°C (41°F) (September 30, 1977).

Best Places in Montenegro in September

Find out more about the weather in Montenegro and which places have the best travel conditions in this month. See all of Montenegro in September →

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Risan in September

For Risan in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Risan in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
7/10
Camping
6/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Montenegro, check out our Risan's climate page.

More climate data for Risan