Measurements:
°C
°F
CURRENT WEATHER
12:40
Formia
78°F
NW 6 mph
Feels like: 80°F
Precip: 3%
World Resorts Italy Formia Weather

7 Day Weather Forecast

09.16
wed
DAY
78°F
NW 6 mph
precip
3%
NIGHT
76°F
SE 6 mph
precip
6%
09.17
thu
DAY
78°F
NW 6 mph
precip
18%
NIGHT
76°F
SE 2 mph
precip
63%
09.18
fri
DAY
76°F
NW 6 mph
precip
60%
NIGHT
76°F
SW 4 mph
precip
25%
09.19
sat
DAY
78°F
N 5 mph
precip
17%
NIGHT
74°F
S 5 mph
precip
64%
09.20
sun
DAY
80°F
NE 4 mph
precip
9%
NIGHT
76°F
SW 6 mph
precip
6%
09.21
mon
DAY
78°F
N 5 mph
precip
3%
NIGHT
76°F
E 5 mph
precip
8%
09.22
tue
DAY
78°F
N 6 mph
precip
3%
NIGHT
76°F
NE 2 mph
precip
9%

Formia Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Formia was 28.2°F. The maximum and minimum values were 26.8°F and 29.2°F respectively.

Formia on the Weather Map

Best Time to Visit Formia
The most sunny months:
July 28 days
August 27 days
June 25 days
The most warm months:
August 89.0 °F
July 88.4 °F
June 81.5 °F
Warmest sea temperature:
August 83.3 °F
July 81.9 °F
September 79.6 °F
The most cold months:
January 53.3 °F
February 54.8 °F
December 56.4 °F
The most rainy months:
November 7 days
January 6 days
December 5 days
The most windy months:
March 7 mph
January 7 mph
February 7 mph
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