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Weather in Niš for September 2026

Your guide to Niš weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Niš has been nearly identical to the historical average, with a temperature of 26.1 °C (showing only a slight deviation of 0.4 °C).

  • The forecast for the next days in Niš predicts a temperature of 19.8 °C, which is cooler than the historical average.

  • In general, the average temperature in Niš at the beginning of September is 30.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.6 °C by the end of September.

    • Rain 🌧️

  • Niš experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 45.4 mm.

Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/13°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
55 %
Avg humidity

Niš Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
30°
2
Sunny
32°
3
Sunny
32°
4
Moderate or heavy rain shower
28°
5
Sunny
31°
6
Sunny
29°
7
Partly cloudy
29°
8
Sunny
31°
9
Partly cloudy
32°
10
Sunny
28°
11
Sunny
26°
12
Sunny
26°
13
Sunny
27°
14
Partly cloudy
23°
15
Partly cloudy
20°
16
Patchy rain possible
25°
17
Patchy rain possible
23°
18
Sunny
24°
19
Patchy rain possible
24°
20
Sunny
24°
21
Patchy light rain
25°
22
Sunny
24°
23
Sunny
25°
24
Patchy light rain with thunder
25°
25
Patchy rain possible
21°
26
Sunny
24°
27
Sunny
20°
28
Sunny
22°
29
Sunny
23°
30
Sunny
23°

Temperatures trend during September in Niš

See the weather trend as well as the moving average line

September weather in Niš day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 30° /15° 0 mm 7
2 Sept. Sunny
Sunny
 32° /16° 0 mm 8
3 Sept. Sunny
Sunny
 32° /16° 0.5 mm 8
4 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 28° /15° 3.3 mm 6
5 Sept. Sunny
Sunny
 31° /15° 0.4 mm 7
6 Sept. Sunny
Sunny
 29° /14° 1.4 mm 7
7 Sept. Partly cloudy
Partly cloudy
 29° /14° 0.3 mm 7
8 Sept. Sunny
Sunny
 31° /14° 0 mm 7
9 Sept. Partly cloudy
Partly cloudy
 32° /14° 0.7 mm 7
10 Sept. Sunny
Sunny
 28° /15° 4.7 mm 7
11 Sept. Sunny
Sunny
 26° /14° 3.4 mm 6
12 Sept. Sunny
Sunny
 26° /12° 0.8 mm 6
13 Sept. Sunny
Sunny
 27° /11° 0.2 mm 7
14 Sept. Partly cloudy
Partly cloudy
 23° /11° 2.7 mm 6
15 Sept. Partly cloudy
Partly cloudy
 20° /12° 2.7 mm 4
16 Sept. Patchy rain possible
Patchy rain possible
 25° /11° 0.3 mm 6
17 Sept. Patchy rain possible
Patchy rain possible
 23° /9° 0.9 mm 5
18 Sept. Sunny
Sunny
 24° /12° 0.1 mm 6
19 Sept. Patchy rain possible
Patchy rain possible
 24° /12° 1.6 mm 5
20 Sept. Sunny
Sunny
 24° /11° 1.7 mm 6
21 Sept. Patchy light rain
Patchy light rain
 25° /12° 0.6 mm 5
22 Sept. Sunny
Sunny
 24° /11° 0.3 mm 6
23 Sept. Sunny
Sunny
 25° /11° 0.1 mm 6
24 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 25° /11° 2 mm 6
25 Sept. Patchy rain possible
Patchy rain possible
 21° /11° 2.9 mm 4
26 Sept. Sunny
Sunny
 24° /12° 0.5 mm 6
27 Sept. Sunny
Sunny
 20° /8° 0 mm 4.7
28 Sept. Sunny
Sunny
 22° /12° 0 mm 4.4
29 Sept. Sunny
Sunny
 23° /10° 0 mm 4.3
30 Sept. Sunny
Sunny
 23° /11° 0 mm 4.5
Next
Important Notice
Our weather forecast for Niš 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 Niš forecast closer to your planned date for the most up-to-date weather information.
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Niš in September - FAQ

What are the expected maximum and minimum temperatures in Niš during September?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Niš during September?
In September, Niš can expect light to moderate rainfall, totaling 45.4 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in Niš during September?
The average wind speed in Niš during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Niš

Explore the daily rainfall trends and prepare for Nišs September weather 💧
Typically, Niš has 8 rainy days in September with a total of 45.4 mm of rainfall.

UV exposure in Niš during September

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

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Get accurate weather forecasts for Niš, located at latitude 43.325 and longitude 21.903. Stay updated with localized weather information tailored for Niš.

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