September weather forecastGaios, Greece

September

Weather in September

September, the first month of the autumn in Gaios, is still a warm month, with an average temperature ranging between min 20.2°C (68.4°F) and max 25.5°C (77.9°F).

Temperature

The beginning of September brings a minor change in the average high-temperature, shifting from 29.5°C (85.1°F) in August to a still warm 25.5°C (77.9°F). Gaios's nighttime temperature during September is consistently averaged at a pleasant 20.2°C (68.4°F).

Humidity

In September, the average relative humidity in Gaios is 64%.

Rainfall

In September, the rain falls for 10.4 days. Throughout September, 50mm (1.97") of precipitation is accumulated. In Gaios, during the entire year, the rain falls for 144.6 days and collects up to 879mm (34.61") of precipitation.

Snowfall

In Gaios, Greece, snow does not fall in February through December.

Sea temperature

In Gaios, in September, the average water temperature is 25.5°C (77.9°F).
Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) are excellent for swimming, diving, and other water activities, providing comfort and enjoyment for extended periods without discomfort.

Daylight

The average length of the day in September in Gaios is 12h and 26min.
On the first day of September in Gaios, sunrise is at 07:08 and sunset at 20:09. On the last day of the month, sunrise is at 07:34 and sunset at 19:23 EEST.

Sunshine

In Gaios, the average sunshine in September is 9.6h.

UV index

In Gaios, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 6 in September translates into these instructions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Beware! Reflections from sand and water can intensify the Sun's UV radiation.

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

Frequently asked questions

The high-temperature, in September, in Gaios, records 25.5°C (77.9°F), while the low-temperature is 20.2°C (68.4°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is estimated at 32°C (89.6°F).

The average relative humidity in September in Gaios is 64%.

In September, in Gaios, Greece, the rain falls for 10.4 days. Throughout September, 50mm (1.97") of precipitation is accumulated.

In Gaios, Greece, snow does not fall in February through December.

In September, the average sea temperature in Gaios is 25.5°C (77.9°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

The average day length in September in Gaios, Greece, is 12h and 26min.

In September, on the first day of the month, sunrise is at 07:08 and sunset at 20:09. On the last day of the month, in Gaios, Greece, sunrise is at 07:34 and sunset at 19:23 EEST.

The average sunshine duration in September in Gaios is 9.6h.

In Gaios, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

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

Aug

September

Oct

Average high temperature

29.5°C

25.5°C

21.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.4km/h

10.3km/h

11.4km/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

24.3

17.2

Average UV index

Average cloud cover

17%

24%

Average visibility

10km

Average temperature in September
Gaios, Greece

Average high temperature in September: 25.5°C

The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (11.5°C).

Average low temperature in September: 20.2°C

The month with the highest average low temperature is August (23°C).
The coldest month (with the lowest average low temperature) is January (7°C).

Average pressure in September
Gaios, Greece

Average pressure in September: 1015mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1012.2mbar).

Average wind speed in September
Gaios, Greece

Average wind speed in September: 9.8km/h

The windiest month (with the highest average wind speed) is February (14.3km/h).
The calmest month (with the lowest average wind speed) is August (9.2km/h).

Average humidity in September
Gaios, Greece

Average humidity in September: 64%

The month with the highest relative humidity is March (73%).
The month with the lowest relative humidity is August (59%).

Average rainfall in September
Gaios, Greece

Average rainfall in September: 50mm

The wettest month (with the highest rainfall) is November (174mm).
The driest month (with the least rainfall) is August (9mm).

Average rainfall days in September
Gaios, Greece

Average rainfall days in September: 10.4 days

The month with the highest number of rainy days is January (17.1 days).
The month with the least rainy days is August (4.2 days).

Average snowfall in September
Gaios, Greece

Average snowfall in September: 0mm

The month with the highest snowfall is January (3mm).
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
Gaios, Greece

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.4 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
Gaios, Greece

Average sea temperature in September: 25.5°C

The best month for swimming (with the highest average sea temperature) is August (25.6°C).
The coldest months (with the lowest average sea temperature) are February and March (15.7°C).

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

Average daylight in September: 12h and 24min

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 30min).

Average sunshine in September: 9h and 36min

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 48min).

Average sunshine days in September
Gaios, Greece

Average sunshine days in September: 17.2 days

The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is February (11.5 days).

Average UV index in September
Gaios, 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 January, February and December (UV index 3).

Average cloud cover in September
Gaios, Greece

Average cloud cover in September: 17

The months with the most cloud cover are January and February (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).

Average visibility in September
Gaios, Greece

Average visibility in September: 10km

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