Bonassola Weather: September
 |
Average Day Temperature: | 74.7°F |
|
Average Night Temperature: | 65.4°F |
|
Sea Water Temperature: | 78.9°F |
|
Number of Sunny Days: | 14 days |
| Sunshine Hours: | 11.8 - 13.2 hours | |
|
Number of Rainy Days: | 4 days |
| Precipitation Totals: | 1.5 in | |
| detailed information | ||
forecast
| Bonassola |
Temperature
| Bonassola |
Air Temperature in September, °F
The highest day temperature in September 2025 was 82°F. The lowest night temperature was 54°F. The average values for day and night temperatures during September were 73.3°F и 64.8°F respectivly.
Bonassola Water Sea Temperature in September, °F
The average sea surface temperature in September 2025 for Bonassola was 78.6°F. The maximum and minimum values were 75.4°F and 80.6°F respectively.
Most of the days in September are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in September, in
Precipitation total in September for Bonassola is 1.5 in.
The average wind speed in September is 4.9 mph. This value is relatively stable throughout the year.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Bonassola in September is 7.8 hours.
Bonassola on the Weather Map
| Amalfi |  |
+50 |
| Bari | |
+56 |
| Cagliari |  |
+52 |
| Catania |  |
+56 |
| Florence | |
+50 |
| Genoa | |
+48 |
| Naples |  |
+56 |
| Palermo | |
+54 |
| Pisa | |
+50 |
| Rimini | |
+50 |
| Rome | |
+52 |
| Scalea | |
+44 |
| Sicily | |
+50 |
| Tropea | |
+56 |
| Venice | |
+48 |
| 1200 |  |
54°F | S 5 mph |
| 1500 |  |
50°F | S 6 mph |
| 1800 |  |
44°F | S 8 mph |
| 2100 | |
42°F | S 8 mph |
| 0000 | |
42°F | S 6 mph |
| 0300 | |
40°F | S 5 mph |
| 0600 | |
46°F | SW 5 mph |
| 0900 |  |
48°F | SW 4 mph |