See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
24°
Clear
Feels Like: 29°
Min: 23°
Max: 25°
The next few hours will be clear, with today reaching 25°C and dropping to 23°C. The coming days will be partly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:11
Sunrise
19:28
Sunset
Moon
Waxing Crescent
11:57
Moonrise
21:10
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Arenzano.
Resources
UV Index
Humidity
Weather in Arenzano today, September 15, 2026
Arenzano starts September 15, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds.
The temperature range runs from about 23°C up to 25°C. Relative humidity sits between 66% and 81%, reaching its peak around 20:00. Airflow remains manageable, reaching about 1.7 km/h around 13:00.
Later hours favour clearer intervals, as cloud stays near 53% around 23:00. The afternoon is the better half for outdoor time. Horizontal visibility sits around 33.6 km, briefly nearer 28.7 km. The sun rises at 07:11 and sets at 19:28, for a total of 12 hours 17 minutes of sunlight today.
Taken together, settled sunshine in Arenzano on September 15, 2026 makes outdoor timing easier, with highs near 25°C.
Frequently asked questions about weather in Arenzano
How warm does it get in Arenzano?
The warmest month in Arenzano is August, with average high temperatures of 27°C. The average temperature during this period is around 23°C.
How cold does it get in Arenzano?
The coldest month in Arenzano is January, with average low temperatures of 3°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Arenzano?
The wettest month in Arenzano is October, with an average of 176mm of precipitation.
What is the driest time of year in Arenzano?
The driest month in Arenzano is July, with an average of 58mm of precipitation.
