September weather forecastGialova, Greece
September
Weather in September
September, the first month of the autumn in Gialova, is also a moderately hot month, with an average temperature varying between 23.1°C (73.6°F) and 25.5°C (77.9°F).Temperature
The average high-temperature during September registers at a still warm 25.5°C (77.9°F), maintaining a close resemblance to the previous month. Throughout the nights in September, Gialova notes an average low of 23.1°C (73.6°F), a small dip from the daytime peak.Humidity
August and September, with an average relative humidity of 68%, are the least humid months.Rainfall
In September, in Gialova, the rain falls for 9.4 days. Throughout September, 37mm (1.46") of precipitation is accumulated. Throughout the year, in Gialova, there are 134.9 rainfall days, and 585mm (23.03") of precipitation is accumulated.Sea temperature
In Gialova, the average seawater temperature in September is 25°C (77°F).Note: Water temperature from 25°C (77°F) to 29°C (84.2°F) is considered very warm, making water activities enjoyable for prolonged periods without any uncomfortable sensations.
Daylight
In Gialova, the average length of the day in September is 12h and 25min.On the first day of September in Gialova, Greece, sunrise is at 07:04 and sunset at 20:01. On the last day of the month, sunrise is at 07:28 and sunset at 19:18 EEST.
Sunshine
In September, the average sunshine in Gialova is 9.7h.UV index
In Gialova, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Opt for tightly woven and loose clothing to enhance protection from the Sun. Note! Reflective surfaces like sand and water heighten the UV radiation levels.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gialova, Greece
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (13.9°C).
- Average low temperature in September: 23.1°C
The month with the highest average low temperature is August (25.3°C).
The coldest month (with the lowest average low temperature) is January (11.3°C).
Average pressure in September
Gialova, Greece
- Average pressure in September: 1014.5mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011.6mbar).
Average wind speed in September
Gialova, Greece
- Average wind speed in September: 15.4km/h
The windiest month (with the highest average wind speed) is January (19.8km/h).
The calmest month (with the lowest average wind speed) is August (13.5km/h).
Average humidity in September
Gialova, Greece
- Average humidity in September: 68%
The months with the highest relative humidity are February, March and April (72%).
The months with the lowest relative humidity are August and September (68%).
Average rainfall in September
Gialova, Greece
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is January (106mm).
The driest month (with the least rainfall) is July (4mm).
Average rainfall days in September
Gialova, Greece
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is January (18.7 days).
The month with the least rainy days is July (2.3 days).
Average sea temperature in September
Gialova, Greece
- Average sea temperature in September: 25°C
The best month for swimming (with the highest average sea temperature) is August (26°C).
The coldest months (with the lowest average sea temperature) are February and March (15°C).
Average daylight in September /
Average sunshine in September
Gialova, Greece
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 42min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in September
Gialova, Greece
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is July (27.7 days).
The months with the least sunshine days are January and February (10.3 days).
Average UV index in September
Gialova, Greece
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 4).
Average cloud cover in September
Gialova, Greece
- Average cloud cover in September: 12
The month with the most cloud cover is January (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in September
Gialova, 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).





