September weather forecastKassiopi, Greece

September

Weather in September

September, the first month of the autumn in Kassiopi, is also a moderately hot month, with an average temperature ranging between min 21.4°C (70.5°F) and max 25°C (77°F).

Temperature

September sees a slight reduction in average high-temperature, with a shift from 28.5°C (83.3°F) in August to a still moderately hot 25°C (77°F). Kassiopi's nighttime average temperature in September drops marginally from the daytime highs, settling at an agreeable 21.4°C (70.5°F).

Humidity

The average relative humidity in September in Kassiopi, Greece, is 65%.

Rainfall

In Kassiopi, Greece, during September, the rain falls for 10.7 days and regularly aggregates up to 55mm (2.17") of precipitation. In Kassiopi, during the entire year, the rain falls for 147.4 days and collects up to 888mm (34.96") of precipitation.

Snowfall

February through December are months without snowfall in Kassiopi.

Sea temperature

In September, the average sea temperature is 25.3°C (77.5°F).
Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for all water activities, offering enjoyment without causing discomfort over extended periods.

Daylight

The average length of the day in September in Kassiopi is 12h and 27min.
On the first day of September in Kassiopi, sunrise is at 07:08 and sunset at 20:11. On the last day of the month, sunrise is at 07:35 and sunset at 19:24 EEST.

Sunshine

The average sunshine in September in Kassiopi, Greece, is 9.5h.

UV index

The average daily maximum UV index in September in Kassiopi is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 6 in September transforms into this advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Notice! Sand and water reflections contribute to a stronger UV exposure.

Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During September, Kassiopi experiences an average high-temperature of 25°C (77°F) and a low-temperature of 21.4°C (70.5°F). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 31°C (87.8°F).

In Kassiopi, Greece, the average relative humidity in September is 65%.

In Kassiopi, Greece, in September, it is raining for 10.7 days, with typically 55mm (2.17") of accumulated precipitation.

February through December are months without snowfall in Kassiopi.

In Kassiopi, in September, the average water temperature is 25.3°C (77.5°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

In September, the average day length in Kassiopi, Greece, is 12h and 27min.

In September, on the first day of the month, sunrise is at 07:08 and sunset at 20:11. On the last day of the month, in Kassiopi, Greece, sunrise is at 07:35 and sunset at 19:24 EEST.

In September, the average sunshine duration is 9.5h.

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

28.5°C

25°C

21.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.3km/h

13.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

23.8

15.9

16.3

Average UV index

Average cloud cover

16%

23%

Average visibility

10km

Average temperature in September
Kassiopi, Greece

Average high temperature in September: 25°C

The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (11.8°C).

Average low temperature in September: 21.4°C

The month with the highest average low temperature is August (24.1°C).
The coldest month (with the lowest average low temperature) is January (8.9°C).

Average pressure in September
Kassiopi, Greece

Average pressure in September: 1014.9mbar

The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1012.2mbar).

Average wind speed in September
Kassiopi, Greece

Average wind speed in September: 11.7km/h

The windiest month (with the highest average wind speed) is February (17.2km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).

Average humidity in September
Kassiopi, Greece

Average humidity in September: 65%

The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is August (63%).

Average rainfall in September
Kassiopi, Greece

Average rainfall in September: 55mm

The wettest month (with the highest rainfall) is November (197mm).
The driest month (with the least rainfall) is August (9mm).

Average rainfall days in September
Kassiopi, Greece

Average rainfall days in September: 10.7 days

The month with the highest number of rainy days is January (16.8 days).
The month with the least rainy days is August (3.9 days).

Average snowfall in September
Kassiopi, Greece

Average snowfall in September: 0mm

The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Kassiopi, Greece

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average sea temperature in September
Kassiopi, Greece

Average sea temperature in September: 25.3°C

The best month for swimming (with the highest average sea temperature) is August (25.7°C).
The coldest month (with the lowest average sea temperature) is February (15.2°C).

Average daylight in September /
Average sunshine in September
Kassiopi, Greece

Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

Average sunshine in September: 9h and 30min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).

Average sunshine days in September
Kassiopi, Greece

Average sunshine days in September: 15.9 days

The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is February (10.6 days).

Average UV index in September
Kassiopi, Greece

Average UV index in September: 6

The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are February and December (UV index 3).

Average cloud cover in September
Kassiopi, Greece

Average cloud cover in September: 16

The month with the most cloud cover is January (Cloud cover 38).
The months with the least cloud cover are July and August (Cloud cover 8).

Average visibility in September
Kassiopi, Greece

Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).