September weather forecastTrn, Serbia

September

Weather in September

The first month of the autumn, September, is also an agreeable month in Trn, Serbia, with an average temperature varying between 9.9°C (49.8°F) and 21.9°C (71.4°F).

Temperature

Transition from August to September is accompanied by a temperature drop, with average high-temperatures decreasing from a warm 27.6°C (81.7°F) to an agreeable 21.9°C (71.4°F). During September, Trn's temperature averages to a chilly 9.9°C (49.8°F) at night.

Humidity

The average relative humidity in September in Trn is 68%.

Rainfall

In September, in Trn, the rain falls for 11 days. Throughout September, 27mm (1.06") of precipitation is accumulated. Throughout the year, in Trn, there are 132.8 rainfall days, and 389mm (15.31") of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Trn.

Daylight

In September, the average length of the day in Trn is 12h and 29min.
On the first day of the month, sunrise is at 05:59 and sunset at 19:09. On the last day of September, sunrise is at 06:31 and sunset at 18:17 CEST.

Sunshine

The average sunshine in September in Trn is 9h.

UV index

The average daily maximum UV index in September in Trn, Serbia, is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 4 during September translates into the following guidance:
Take precautions - Protection against skin and eye damage is obliged. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

In September, in Trn, the average high-temperature is 21.9°C (71.4°F), and the average low-temperature is 9.9°C (49.8°F). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 29°C (84.2°F).

The average relative humidity in September in Trn, Serbia, is 68%.

In September, in Trn, the rain falls for 11 days. Throughout September, 27mm (1.06") of precipitation is accumulated.

In Trn, snow does not fall in May through September.

In Trn, Serbia, in September, it doesn't snow. In October, it regularly snows.

In September, the average day length in Trn is 12h and 29min.

In September, on the first day of the month, sunrise is at 05:59 and sunset at 19:09. On the last day of the month, in Trn, Serbia, sunrise is at 06:31 and sunset at 18:17 CEST.

In Trn, the average sunshine duration in September is 9h.

In September, the average daily maximum UV index in Trn, Serbia, is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Trn, Serbia

  • Average high temperature in September: 21.9°C

The warmest month (with the highest average high temperature) is August (27.6°C).
The month with the lowest average high temperature is January (2.1°C).

  • Average low temperature in September: 9.9°C

The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-4.4°C).

Average pressure in September
Trn, Serbia

  • Average pressure in September: 1017.3mbar

The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is May (1014.3mbar).

Average wind speed in September
Trn, Serbia

  • Average wind speed in September: 6.9km/h

The windiest month (with the highest average wind speed) is March (8.7km/h).
The calmest month (with the lowest average wind speed) is August (6.6km/h).

Average humidity in September
Trn, Serbia

  • Average humidity in September: 68%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (63%).

Average rainfall in September
Trn, Serbia

  • Average rainfall in September: 27mm

The wettest month (with the highest rainfall) is June (61mm).
The driest month (with the least rainfall) is October (17mm).

Average rainfall days in September
Trn, Serbia

  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is January (7 days).

Average snowfall in September
Trn, Serbia

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (153mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Trn, Serbia

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Trn, Serbia

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in September
Trn, Serbia

  • Average sunshine days in September: 16.6 days

The months with the most sunshine days are October and November (20.2 days).
The month with the least sunshine days is June (11.3 days).

Average UV index in September
Trn, Serbia

  • Average UV index in September: 4

The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in September
Trn, Serbia

  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in September
Trn, Serbia

  • Average visibility in September: 9km

The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).