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Riomaggiore weather in September

Weather in Riomaggiore: September

Average day temperature: 70.7°F
Average night temperature: 59.3°F
Sea water temperature: 76.0°F
Number of sunny days: 13 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 78°F. At the same time the lowest night temperature was 53°F. Daily and nightly averages during September were 70.9°F and 63.3°F.

Sea water temperature in Riomaggiore in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 76.0°F. The highest and lowest sea temperatures during the month were 77.9°F and 72.9°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 Riomaggiore 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 4.2 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: 7.5.

Best time for vacation in Riomaggiore

Sunniest months:
August 17 days
July 16 days
June 14 days
Warmest months:
July 79.3 °F
August 79.3 °F
June 73.9 °F
Warmest sea temp:
August 79.7 °F
July 79.0 °F
September 76.0 °F
Coldest months:
January 45.8 °F
December 45.9 °F
February 49.7 °F
Rainiest months:
October 5 days
December 4 days
January 4 days
Windiest months:
January 5.1 mph
February 4.8 mph
November 4.6 mph

Riomaggiore on a weather map

Riomaggiore
+50°F
SW 4 mph
Feels like: +48°F
Precip.: 0%
Places in Italy:
Name
°F
+50°F
+54°F
+45°F
+46°F
+52°F
+55°F
+54°F
+55°F
+48°F
+48°F
+48°F
+52°F
+46°F
+46°F
24 Hours Forecast
Riomaggiore
Local time: 09:42
December 06, saturday
1200
54°F
NE
1 mph
1500
50°F
NW
3 mph
1800
45°F
SW
4 mph
2100
45°F
SW
6 mph
December 07, sunday
0000
45°F
SW
6 mph
0300
45°F
SW
6 mph
0600
48°F
SW
6 mph
0900
50°F
S
5 mph
Units of measurement: °C / °F