Measurements:
°C
°F
Trieste
76°F
NW 6 mph
Feels like: 80°F
Precip: 52%
World Resorts Italy Trieste Weather September Weather in Trieste

Trieste Weather: September

Average Day Temperature: 76.9°F
Average Night Temperature: 59.9°F
Sea Water Temperature: 76.0°F
Number of Sunny Days: 20 days
Sunshine Hours: 11.8 - 13.3 hours
Number of Rainy Days: 7 days
Precipitation Totals: 5.2 in

Air Temperature in September, °F

Select Year: 2020 2019 2018

The highest day temperature in September 2020 was 88°F. The lowest night temperature was 50°F. The average values for day and night temperatures during September were 77.8°F и 63.9°F respectivly.

Trieste Water Sea Temperature in September, °F

Select Year: 2021 2020 2019

The average sea surface temperature in September 2020 for Trieste was 76.8°F. The maximum and minimum values were 73.0°F and 80.4°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Trieste is 5.2 in. It makes september the most rainy month of the year.

Wind Speed in September, mph

The average wind speed in September is 5.7 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Trieste in September is 9.3 hours.

Best Time to Visit Trieste
The most sunny months:
August 23 days
July 22 days
September 20 days
The most warm months:
August 88.1 °F
July 87.3 °F
June 81.8 °F
Warmest sea temperature:
August 81.4 °F
July 80.8 °F
September 76.0 °F
The most cold months:
January 43.5 °F
February 46.3 °F
December 46.4 °F
The most rainy months:
November 8 days
May 8 days
September 7 days
The most windy months:
February 7 mph
March 6 mph
November 6 mph

Trieste on the Weather Map

Italy Resorts:
NAME
Bari +94
Cagliari +92
Catania +98
Florentia +80
Genova +78
Livorno +80
Neapolis +82
Padova +76
Palermo +90
Ravenna +82
Reggio di Calabria +94
Rimini +82
Roma +88
Sicily +98
Venice +72
24 Hours Weather Forecast
Trieste
Local time: 15:26
17 sep, friday
1800 68°F
W
5 mph
2100 66°F
W
6 mph
18 sep, saturday
0000 62°F
W
7 mph
0300 60°F
W
7 mph
0600 60°F
W
7 mph
0900 66°F
W
7 mph
1200 76°F
W
3 mph
1500 76°F
NE
2 mph