Measurements:
°C
°F
Thessaloniki
72°F
E 2 mph
Feels like: 72°F
Precip: 1%
World Resorts Greece Thessaloniki Weather September Weather in Thessaloniki

Thessaloniki Weather: September

Average Day Temperature: 85.0°F
Average Night Temperature: 67.8°F
Sea Water Temperature: 80.8°F
Number of Sunny Days: 23 days
Sunshine Hours: 11.8 - 13.1 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.9 in

Air Temperature in September, °F

Select Year: 2026 2025 2024

The highest day temperature in September 2026 was 98°F. The lowest night temperature was 55°F. The average values for day and night temperatures during September were 84.4°F и 69.4°F respectivly.

Thessaloniki Water Sea Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Thessaloniki was 82.4°F. The maximum and minimum values were 75.0°F and 88.0°F respectively.

Sunny, Cloudy and Gloomy days

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 Thessaloniki is 0.9 in. It makes september one of the least rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 5.6 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

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 Thessaloniki in September is 10.0 hours.

Best Time to Visit Thessaloniki
The most sunny months:
July 28 days
August 26 days
September 23 days
The most warm months:
July 95.4 °F
August 94.8 °F
June 88.4 °F
Warmest sea temperature:
August 84.9 °F
July 83.4 °F
September 80.8 °F
The most cold months:
January 47.4 °F
December 50.9 °F
February 52.4 °F
The most rainy months:
May 3 days
November 3 days
March 3 days
The most windy months:
July 6 mph
April 6 mph
May 6 mph

Thessaloniki on the Weather Map

Greece Resorts:
NAME
F°
Athenes +70
Bali Gr +66
Chalkidiki +68
Chania +66
Corfu +70
Crete +58
Hanioti +70
Paralia Katerini +72
Pefkochori +70
Possidi +70
Rhodes +70
Sithonia +70
Thasos +64
Thessaloniki +72
Zakynthos +70
24 Hours Weather Forecast
Thessaloniki
Local time: 11:29
04 oct, sunday
1200 72°F
E
2 mph
1500 78°F
NE
6 mph
1800 74°F
NE
9 mph
2100 64°F
N
3 mph
05 oct, monday
0000 62°F
SW
2 mph
0300 60°F
SW
2 mph
0600 58°F
W
2 mph
0900 62°F
SW
2 mph