Long-term weather forecast
Long-term weather forecast

September weather forecast and Climate
Niš, Serbia

  • The 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).

  • The 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).

  • The 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%).

  • The 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).

  • The 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).

  • The average daylight in September: 12h

Months with the longest days are May, June and July (Average daylight: 15h).
Months with shortest days are January and December (Average daylight: 9h).

  • The 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).

  • The 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).