Measurements:
°C
°F
Trieste
52°F
NE 11 mph
Feels like: 48°F
Precip: 100%
World Resorts Italy Trieste Weather September Weather in Trieste

Trieste Weather: September

Average Day Temperature: 77.0°F
Average Night Temperature: 60.3°F
Sea Water Temperature: 76.3°F
Number of Sunny Days: 19 days
Sunshine Hours: 11.8 - 13.3 hours
Number of Rainy Days: 6 days
Precipitation Totals: 4.2 in

Air Temperature in September, °F

Select Year: 2024 2023 2022

The highest day temperature in September 2024 was 93°F. The lowest night temperature was 47°F. The average values for day and night temperatures during September were 75.1°F и 61.4°F respectivly.

Trieste Water Sea Temperature in September, °F

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Trieste was 78.2°F. The maximum and minimum values were 70.8°F and 86.2°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 4.2 in. It makes september one of the most rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 5.8 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 9.0 hours.

Best Time to Visit Trieste
The most sunny months:
August 23 days
July 21 days
September 19 days
The most warm months:
August 88.3 °F
July 88.1 °F
June 81.9 °F
Warmest sea temperature:
August 81.6 °F
July 81.1 °F
September 76.3 °F
The most cold months:
January 44.1 °F
December 46.7 °F
February 47.3 °F
The most rainy months:
November 7 days
May 7 days
September 6 days
The most windy months:
February 6 mph
March 6 mph
November 6 mph

Trieste on the Weather Map

Italy Resorts:
NAME
Amalfi +54
Bari +62
Bibione +48
Cagliari +62
Florence +58
Genoa +52
Lido di Jesolo +48
Naples +64
Palermo +62
Reggio di Calabria +62
Rimini +62
Rome +64
Scalea +50
Sicily +50
Venice +48
24 Hours Weather Forecast
Trieste
Local time: 04:33
20 nov, wednesday
0600 52°F
NE
11 mph
0900 54°F
NE
8 mph
1200 52°F
E
2 mph
1500 48°F
SW
12 mph
1800 42°F
W
17 mph
2100 40°F
W
14 mph
21 nov, thursday
0000 38°F
SW
5 mph
0300 36°F
SW
4 mph