World Resorts Italy Ischia Weather

Ischia Sea Temperature in September

Average sea water temperature in September:
+77.2°F
Minimum sea water temperature in September: 83.3°F
Maximum sea water temperature in September: 72.7°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 78.5°F. The highest and lowest sea temperatures during the month were 80.1°F and 75.9°F.

Monthly sea water temperature in Ischia, °F

Which Italy resorts have warmest sea in September?

Place name September 2025 September 2024
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
Marina di Zambrone 79.3°F 80.0°F
Scalea 79.3°F 79.6°F
Capo Vaticano 79.2°F 79.5°F
Giardini Naxos 79.1°F 80.3°F
Taormina 79.1°F 80.3°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
Catanzaro 78.9°F 80.4°F
Naples 78.6°F 78.4°F
Ischia 78.5°F 78.2°F
Capri 78.5°F 78.3°F

Best time for vacation in Ischia

Sunniest months:
July 28 days
August 27 days
June 26 days
Warmest months:
August 82.3 °F
July 81.5 °F
September 77.0 °F
Warmest sea temp:
August 80.8 °F
July 79.6 °F
September 77.2 °F
Coldest months:
January 55.1 °F
February 55.4 °F
March 57.4 °F
Rainiest months:
November 8 days
January 6 days
December 5 days
Windiest months:
January 12.1 mph
February 11.4 mph
November 11.4 mph

Ischia on a weather map

Ischia
+84°F
NE 5 mph
Feels like: +91°F
Precip.: 8%
Places in Italy:
Name
°F
+88°F
+86°F
+75°F
+81°F
+73°F
+84°F
+84°F
+93°F
+88°F
+81°F
+93°F
+79°F
+86°F
+82°F
24 Hours Forecast
Ischia
Local time: 18:11
August 25, tuesday
2100
82°F
E
11 mph
August 26, wednesday
0000
82°F
E
10 mph
0300
82°F
SE
6 mph
0600
81°F
S
2 mph
0900
81°F
NW
4 mph
1200
81°F
N
4 mph
1500
84°F
NE
6 mph
1800
84°F
E
6 mph
Units of measurement: °C / °F