Niš
Serbia
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Niš, Serbia

A night view of the iconic and mighty grandeur of the Nis Fortress in Serbia, lights and footbridge, with a view of the dark, cloudy night sky
A night view of the iconic and mighty grandeur of the Nis Fortress in Serbia, lights and footbridge, with a view of the dark, cloudy night sky
September, the first month of the autumn, in Niš, is also a moderately hot month, with average temperature ranging between max 25°C (77°F) and min 11.5°C (52.7°F).

Temperature

In September, the average high-temperature decreases, from a tropical 30.1°C (86.2°F) in August, to a moderately hot 25°C (77°F). In September, the average low-temperature is 11.5°C (52.7°F).

Humidity

In September, the average relative humidity is 69%.

Rainfall

In Niš, Serbia, during September, the rain falls for 9 days and regularly aggregates up to 48mm (1.9") of precipitation. Throughout the year, there are 134 rainfall days, and 580.5mm (22.9") of precipitation is accumulated.

Daylight

In Niš, the average length of the day in September is 12.5h.

Sunshine

In Niš, the average sunshine is 6.7h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to the Sun's UV rays for average individuals.
The daily maximum UV index of 5 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Niš?

The average high-temperature, in September, is 25°C (77°F), while the average low-temperature is 11.5°C (52.7°F).

What is the average humidity in September in Niš?

In Niš, the average relative humidity in September is 69%.

How many days does it rain in September in Niš?

In September, in Niš, the rain falls for 9 days. Throughout September, 48mm (1.9") of precipitation is accumulated.

How many hours of daylight does Niš have in September?

In September, the average length of the day in Niš, Serbia, is 12.5h.

How long on average sun shines in September in Niš?

In September, the average sunshine in Niš, Serbia, is 6.7h.

What is the UV index reading in September in Niš?

The average daily maximum UV index in September in Niš, Serbia, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV rays.
Average temperature in September - Niš, Serbia
  • Average high temperature in September: 25°C

The warmest month (with the highest average high temperature) is August (30.1°C).
The month with the lowest average high temperature is January (5°C).

  • Average low temperature in September: 11.5°C

Months with the highest average low temperature are July and August (15.4°C).
The coldest month (with the lowest average low temperature) is January (-2.2°C).

Average humidity in September - Niš, Serbia
  • Average humidity in September: 69%

The month with the highest relative humidity is December (81%).
Months with the lowest relative humidity are July and August (61%).

Average rainfall in September - Niš, Serbia
  • Average rainfall in September: 48mm

The wettest month (with the highest rainfall) is May (58mm).
The driest month (with the lowest rainfall) is February (36.8mm).

Average rainfall days in September - Niš, Serbia
  • Average rainfall days in September: 9 days

The month with the highest number of rainy days is December (14 days).
The month with the lowest number of rainy days is August (8 days).

Average daylight in September / Average sunshine in September - Niš, Serbia
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.4h).
The month with shortest days is December (Average daylight: 9h).

  • Average sunshine in September: 6.7h

The month with most sunshine is July (Average sunshine: 9.2h).
The month with least sunshine is December (Average sunshine: 1.6h).

Average UV index in September - Niš, Serbia
  • Average UV index in September: 5

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).