Measurements:
°C
°F
CURRENT WEATHER
07:11
Ischia
80°F
SW 11 mph
Feels like: 82°F
Precip: 4%
World Resorts Italy Ischia Weather

14 Day Weather Forecast

09.13
sun
DAY
82°F
E 2 mph
precip
1%
NIGHT
82°F
S 7 mph
precip
4%
09.14
mon
DAY
80°F
N 4 mph
precip
11%
NIGHT
82°F
S 9 mph
precip
5%
09.15
tue
DAY
80°F
NE 4 mph
precip
3%
NIGHT
82°F
SE 6 mph
precip
3%
09.16
wed
DAY
80°F
N 5 mph
precip
4%
NIGHT
80°F
E 4 mph
precip
3%
09.17
thu
DAY
80°F
N 6 mph
precip
5%
NIGHT
80°F
NE 4 mph
precip
9%
09.18
fri
DAY
80°F
N 7 mph
precip
18%
NIGHT
80°F
N 4 mph
precip
18%
09.19
sat
DAY
80°F
N 9 mph
precip
20%
NIGHT
80°F
NE 2 mph
precip
17%
09.20
sun
DAY
74°F
S 6 mph
precip
60%
NIGHT
78°F
SW 9 mph
precip
13%
09.21
mon
DAY
82°F
W 8 mph
precip
3%
NIGHT
82°F
E 9 mph
precip
5%
09.22
tue
DAY
82°F
W 4 mph
precip
2%
NIGHT
80°F
NW 4 mph
precip
7%
09.23
wed
DAY
84°F
W 7 mph
precip
4%
NIGHT
84°F
SW 10 mph
precip
2%
09.24
thu
DAY
82°F
N 4 mph
precip
2%
NIGHT
80°F
SE 7 mph
precip
7%
09.25
fri
DAY
80°F
N 4 mph
precip
5%
NIGHT
80°F
E 8 mph
precip
5%
09.26
sat
DAY
80°F
W 3 mph
precip
2%
NIGHT
80°F
E 7 mph
precip
6%

Ischia Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Ischia was 81.7°F. The maximum and minimum values were 78.8°F and 83.4°F respectively.

Ischia on the Weather Map

Best Time to Visit Ischia
The most sunny months:
July 28 days
August 27 days
June 26 days
The most warm months:
August 85.9 °F
July 85.0 °F
September 80.0 °F
Warmest sea temperature:
August 84.3 °F
July 82.9 °F
September 80.2 °F
The most cold months:
January 55.6 °F
February 56.0 °F
March 58.2 °F
The most rainy months:
November 8 days
January 6 days
December 5 days
The most windy months:
January 12 mph
February 11 mph
November 11 mph
more details
Italy Resorts:
NAME
F°
Baia Domizia +74
Bari +78
Bibione +62
Florence +64
Genoa +60
Lido di Jesolo +64
Naples +80
Ostia +72
Palermo +70
Rimini +64
Rome +66
Scalea +66
Sicily +70
Tropea +72
Venice +64
all resorts
24 Hours Weather Forecast
Ischia
Local time: 07:11
13 sep, sunday
0900 80°F
SW
7 mph
1200 82°F
E
2 mph
1500 82°F
E
11 mph
1800 82°F
E
12 mph
2100 82°F
SE
10 mph
14 sep, monday
0000 82°F
S
7 mph
0300 80°F
SW
7 mph
0600 80°F
W
5 mph