World Resorts Italy Formia Weather

Formia Sea Temperature in September

Average sea water temperature in September:
+76.6°F
Minimum sea water temperature in September: 82.2°F
Maximum sea water temperature in September: 72.3°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 77.6°F. The highest and lowest sea temperatures during the month were 79.3°F and 75.4°F.

Monthly sea water temperature in Formia, °F

Which Italy resorts have warmest sea in September?

Place name September 2025 September 2024
Lampedusa 80.8°F 81.5°F
Mondello 80.1°F 79.6°F
Cefalu 79.9°F 80.0°F
Avola 79.7°F 80.3°F
Sirakuzy 79.7°F 80.1°F
Sicily 79.6°F 79.7°F
Catania 79.5°F 80.3°F
Palermo 79.5°F 79.0°F
Tropea 79.4°F 79.8°F
Scalea 79.3°F 79.6°F
Briatico 79.2°F 80.0°F
Capo Vaticano 79.2°F 79.5°F
Giardini Naxos 79.1°F 80.3°F
Taormina 79.1°F 80.3°F
Marina di Ragusa 79.1°F 78.4°F
Pizzo 79.0°F 80.0°F
Taranto 79.0°F 80.0°F
San Vito Lo Capo 79.0°F 79.5°F
Villasimus 79.0°F 77.5°F
Letojanni 78.9°F 80.2°F

Best time for vacation in Formia

Sunniest months:
July 28 days
August 27 days
June 25 days
Warmest months:
August 85.2 °F
July 84.7 °F
June 78.4 °F
Warmest sea temp:
August 79.7 °F
July 78.5 °F
September 76.6 °F
Coldest months:
January 53.0 °F
February 54.2 °F
December 55.7 °F
Rainiest months:
November 7 days
January 6 days
December 5 days
Windiest months:
March 7.4 mph
January 7.2 mph
February 7.1 mph

Formia on a weather map

Formia
+59°F
W 6 mph
Feels like: +57°F
Precip.: 0%
Places in Italy:
Name
°F
+59°F
+55°F
+50°F
+50°F
+59°F
+59°F
+59°F
+61°F
+59°F
+54°F
+55°F
+50°F
+59°F
+54°F
24 Hours Forecast
Formia
Local time: 11:36
December 21, sunday
1200
59°F
W
6 mph
1500
59°F
NW
9 mph
1800
55°F
W
8 mph
2100
55°F
W
7 mph
December 22, monday
0000
54°F
W
8 mph
0300
54°F
W
6 mph
0600
52°F
W
6 mph
0900
54°F
W
7 mph
Units of measurement: °C / °F