Nikšić Weather in September
September in Nikšić brings pleasant temperatures around 21°C (70°F) during the day, dropping to 10°C (50°F) at night, and as part of the rainy season, heavy rainfall is common.
Rainfall in Nikšić in September
As part of the rainy season, Nikšić sees around 9 days of rain in September, with an average of 178 mm (7 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Nikšić in September
Daytime highs in Nikšić in September reach 21°C (70°F), with nights around 10°C (50°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Nikšić in September
With approximately 194 hours of sunshine, the days are filled with clear skies during the day. Rain typically falls in the afternoon or evening, keeping mornings and early parts of the day sunny.If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Nikšić.
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 Nikšić's climate page.
Nikšić Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
21°C (70°F)
Chance of Rain
30%
Precipitation
178 mm (7 in)
Rainy days
9 days
Humidity
77% *
Sunshine
194 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Nikšić typically drop from around 27°C (81°F) at the start of September to approximately 23°C (73°F) by the end. Nights are cool, with lows typically ranging from 10°C (50°F) to 15°C (59°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 Nikšić in September
Browse day-by-day weather records for Nikšić spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Nikšić historical weather extremes in September
Based on weather observations in Nikšić between 1976 and 2025, these are the recorded extremes during September.
- The hottest September day on record in Nikšić reached 36°C (97°F) (September 16, 1987).
- The lowest daytime temperature in September was 14°C (57°F), recorded on September 25, 2022.
- Nighttime temperatures dropped to 2°C (36°F) on September 30, 1977, marking the coldest September night on record.
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 →
perfect weather
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What to Wear in Nikšić in September
For Nikšić 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Nikšić in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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 Nikšić's climate page.
Temperature Rainfall Sunshine Humidity
See the full Nikšić climate overview or explore weather in Montenegro.
