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Weather in Herceg Novi for September 2026

Your guide to Herceg Novi weather in September - trends and predictions

    Temperatures

  • So far, September 2026 in Herceg Novi is slightly warmer than the historical average by 0.6 °C.

  • The forecast for the next days in Herceg Novi predicts a temperature of 19.9 °C, which is cooler than the historical average.

  • In general, the average temperature in Herceg Novi at the beginning of September is 27 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.9 °C by the end of September.

    • Rain 🌧️

  • The climate of Herceg Novi in September is notably wet, with an average of 15 rainy days, and a total of 88.8 mm of precipitation.

Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/16°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
63 %
Avg humidity

Herceg Novi Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
26°
2
Sunny
28°
3
Sunny
27°
4
Patchy rain possible
27°
5
Sunny
27°
6
Partly cloudy
27°
7
Patchy rain possible
27°
8
Sunny
27°
9
Sunny
26°
10
Sunny
26°
11
Moderate or heavy rain shower
25°
12
Sunny
25°
13
Sunny
24°
14
Partly cloudy
23°
15
Partly cloudy
23°
16
Sunny
23°
17
Sunny
22°
18
Sunny
22°
19
Overcast
23°
20
Sunny
25°
21
Overcast
24°
22
Sunny
23°
23
Sunny
21°
24
Sunny
21°
25
Overcast
19°
26
Sunny
12°
27
Patchy rain possible
14°
28
Sunny
17°
29
Overcast
19°
30
Patchy rain possible
16°

Temperatures trend during September in Herceg Novi

See the weather trend as well as the moving average line

September weather in Herceg Novi day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 26° /18° 0 mm 6
2 Sept. Sunny
Sunny
 28° /19° 0 mm 7
3 Sept. Sunny
Sunny
 27° /19° 0.5 mm 7
4 Sept. Patchy rain possible
Patchy rain possible
 27° /19° 1.1 mm 6
5 Sept. Sunny
Sunny
 27° /19° 0 mm 7
6 Sept. Partly cloudy
Partly cloudy
 27° /19° 3.7 mm 7
7 Sept. Patchy rain possible
Patchy rain possible
 27° /19° 0.3 mm 7
8 Sept. Sunny
Sunny
 27° /18° 0.1 mm 7
9 Sept. Sunny
Sunny
 26° /18° 8.1 mm 6
10 Sept. Sunny
Sunny
 26° /18° 5.8 mm 6
11 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 25° /17° 10.2 mm 6
12 Sept. Sunny
Sunny
 25° /17° 3.2 mm 6
13 Sept. Sunny
Sunny
 24° /16° 12.4 mm 6
14 Sept. Partly cloudy
Partly cloudy
 23° /15° 3.1 mm 5
15 Sept. Partly cloudy
Partly cloudy
 23° /15° 1.4 mm 6
16 Sept. Sunny
Sunny
 23° /16° 0.2 mm 6
17 Sept. Sunny
Sunny
 22° /18° 0 mm 6.1
18 Sept. Sunny
Sunny
 22° /18° 0 mm 5.9
19 Sept. Overcast
Overcast
 23° /19° 0.1 mm 4.1
20 Sept. Sunny
Sunny
 25° /20° 0 mm 5.3
21 Sept. Overcast
Overcast
 24° /19° 0 mm 6
22 Sept. Sunny
Sunny
 23° /16° 0 mm 6
23 Sept. Sunny
Sunny
 21° /14° 0 mm 6
24 Sept. Sunny
Sunny
 21° /15° 0 mm 6
25 Sept. Overcast
Overcast
 19° /10° 19.9 mm 4
26 Sept. Sunny
Sunny
 12° /9° 40.8 mm 4
27 Sept. Patchy rain possible
Patchy rain possible
 14° /9° 0.1 mm 4
28 Sept. Sunny
Sunny
 17° /11° 0 mm 5
29 Sept. Overcast
Overcast
 19° /14° 0 mm 5
30 Sept. Patchy rain possible
Patchy rain possible
 16° /15° 8.2 mm 5
Next
Important Notice
Our weather forecast for Herceg Novi in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Herceg Novi forecast closer to your planned date for the most up-to-date weather information.
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Herceg Novi in September - FAQ

What are the expected maximum and minimum temperatures in Herceg Novi during September?
During September, expect a variety of temperatures with highs around 24° and lows near 16°, suitable for diverse activities and preferences.

How much rainfall should be expected in Herceg Novi during September?
Moderate rainfall is anticipated in Herceg Novi during September, with a total of 88.8 mm spread over approximately 15 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Herceg Novi during September?
The average wind speed in Herceg Novi during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

Herceg Novi water temperatures in September

The average water temperature of the Adriatic Sea near Herceg Novi in September is 26.2 °C. At the beginning of September temperatures are around 26.2 °C; by the end of the month they stay fairly steady and reach 26.1 °C.

What is the water temperature in Herceg Novi in September?
The average water temperature in Herceg Novi in September is 26.2 °C.
Can you swim in Herceg Novi in September?
Ideal conditions for families and casual swimmers. You can stay in for long swims or reef explorations with no thermal protection required.

September rainfall patterns in Herceg Novi

Explore the daily rainfall trends and prepare for Herceg Novis September weather 💧
Typically, Herceg Novi has 15 rainy days in September with a total of 88.8 mm of rainfall.

UV exposure in Herceg Novi during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Herceg Novi?

Get accurate weather forecasts for Herceg Novi, located at latitude 42.453 and longitude 18.538. Stay updated with localized weather information tailored for Herceg Novi.

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