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Arenzano weather in September

Weather in Arenzano: September

Average day temperature: 74.5°F
Average night temperature: 62.6°F
Sea water temperature: 76.3°F
Number of sunny days: 15 days
Day length: 11.8 - 13.2 hours
Number of rainy days: 2 days
Precipitation totals: 1.2 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 81°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during September were 72.9°F and 60.8°F.

Sea water temperature in Arenzano in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2025 was 75.7°F. The highest and lowest sea temperatures during the month were 77.5°F and 72.5°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Arenzano in September is 1.2 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 5.3 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 8.1.

Best time for vacation in Arenzano

Sunniest months:
July 19 days
August 18 days
June 15 days
Warmest months:
August 82.8 °F
July 82.5 °F
June 77.3 °F
Warmest sea temp:
August 80.1 °F
July 78.7 °F
September 75.9 °F
Coldest months:
January 48.0 °F
December 49.3 °F
February 52.5 °F
Rainiest months:
November 3 days
October 3 days
December 3 days
Windiest months:
January 6.4 mph
December 6.3 mph
November 6.2 mph

Arenzano on a weather map

Arenzano
+81°F
N 3 mph
Feels like: +81°F
Precip.: 1%
Places in Italy:
Name
°F
+84°F
+90°F
+77°F
+79°F
+79°F
+79°F
+81°F
+79°F
+88°F
+77°F
+77°F
+63°F
+77°F
+86°F
24 Hours Forecast
Arenzano
Local time: 13:56
September 15, tuesday
1500
81°F
N
3 mph
1800
73°F
N
4 mph
2100
64°F
NW
1 mph
September 16, wednesday
0000
64°F
NW
1 mph
0300
66°F
NW
2 mph
0600
64°F
NW
2 mph
0900
66°F
NW
2 mph
1200
68°F
N
4 mph
Units of measurement: °C / °F