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Poros weather in September

Weather in Poros: September

Average day temperature: 81.7°F
Average night temperature: 73.9°F
Sea water temperature: 78.4°F
Number of sunny days: 26 days
Day length: 11.8 - 13.0 hours
Number of rainy days: 1 day
Precipitation totals: 0.7 in.

Air temperature in September, °F

Show year:
2026
2025
2024

The highest day temperature during September of 2026 was 87°F. At the same time the lowest night temperature was 66°F. Daily and nightly averages during September were 78.0°F and 75.4°F.

Sea water temperature in Poros in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 79.0°F. The highest and lowest sea temperatures during the month were 81.1°F and 75.9°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 Poros in September is 0.8 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 8.6 mph It makes September one of the most windy months of the year.

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: 10.0.

Best time for vacation in Poros

Sunniest months:
July 30 days
August 30 days
June 27 days
Warmest months:
August 87.4 °F
July 87.4 °F
September 81.7 °F
Warmest sea temp:
August 80.2 °F
July 79.1 °F
September 78.4 °F
Coldest months:
January 56.0 °F
February 57.2 °F
December 59.2 °F
Rainiest months:
February 3 days
December 3 days
March 2 days
Windiest months:
August 9.2 mph
February 9.1 mph
January 9.1 mph

Poros on a weather map

Poros
+72°F
NW 11 mph
Feels like: +77°F
Precip.: 16%
Places in Greece:
Name
°F
+73°F
+70°F
+68°F
+72°F
+63°F
+72°F
+70°F
+68°F
+72°F
+64°F
+70°F
+72°F
+72°F
+70°F
24 Hours Forecast
Poros
Local time: 17:37
October 12, monday
1800
72°F
NW
11 mph
2100
72°F
NW
6 mph
October 13, tuesday
0000
72°F
NW
1 mph
0300
70°F
S
2 mph
0600
70°F
SE
4 mph
0900
70°F
SE
4 mph
1200
72°F
W
7 mph
1500
70°F
NW
9 mph
Units of measurement: °C / °F