September weather forecastVresthena, Greece

September

Weather in September

September, the first month of the autumn in Vresthena, is also a moderately hot month, with an average temperature fluctuating between 16°C (60.8°F) and 26.2°C (79.2°F).

Temperature

September's arrival subtly correlates with a reduction in the average high-temperature, down from a hot 30.8°C (87.4°F) in August to a moderately hot 26.2°C (79.2°F). The month of September records an average low-temperature of 16°C (60.8°F).

Humidity

The average relative humidity in September is 62%.

Rainfall

In Vresthena, during September, the rain falls for 12.4 days and regularly aggregates up to 47mm (1.85") of precipitation. Throughout the year, there are 148.3 rainfall days, and 654mm (25.75") of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Vresthena.

Daylight

In Vresthena, the average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 07:00 and sunset at 19:58. On the last day of September, sunrise is at 07:24 and sunset at 19:14 EEST.

Sunshine

In Vresthena, the average sunshine in September is 9.3h.

UV index

In Vresthena, Greece, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In September, the UV index of 5 transforms into the following advice:
Take precautions - Protection against skin and eye damage is obliged. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

In Vresthena, in September, the average high-temperature is 26.2°C (79.2°F), and the average low-temperature is 16°C (60.8°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in August is computed to be 32°C (89.6°F).

In September, the average relative humidity in Vresthena, Greece, is 62%.

In Vresthena, during September, the rain falls for 12.4 days and regularly aggregates up to 47mm (1.85") of precipitation.

In Vresthena, Greece, snow does not fall in May through October.

The average day length in September is 12h and 25min.

In September, on the first day of the month, sunrise is at 07:00 and sunset at 19:58. On the last day of the month, in Vresthena, Greece, sunrise is at 07:24 and sunset at 19:14 EEST.

In September, the average sunshine duration is 9.3h.

In Vresthena, Greece, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Vresthena, Greece

  • Average high temperature in September: 26.2°C

The warmest month (with the highest average high temperature) is July (30.9°C).
The month with the lowest average high temperature is January (10°C).

  • Average low temperature in September: 16°C

The month with the highest average low temperature is August (18.8°C).
The coldest month (with the lowest average low temperature) is January (3°C).

Average pressure in September
Vresthena, Greece

  • Average pressure in September: 1014.6mbar

The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1011.5mbar).

Average wind speed in September
Vresthena, Greece

  • Average wind speed in September: 6.8km/h

The windiest month (with the highest average wind speed) is February (8.8km/h).
The calmest month (with the lowest average wind speed) is September (6.8km/h).

Average humidity in September
Vresthena, Greece

  • Average humidity in September: 62%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (50%).

Average rainfall in September
Vresthena, Greece

  • Average rainfall in September: 47mm

The wettest month (with the highest rainfall) is January (90mm).
The driest months (with the least rainfall) are July and August (23mm).

Average rainfall days in September
Vresthena, Greece

  • Average rainfall days in September: 12.4 days

The months with the highest number of rainy days are January and March (15.3 days).
The months with the least rainy days are July and August (7.1 days).

Average snowfall in September
Vresthena, Greece

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (134mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Vresthena, Greece

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Vresthena, 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 18min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

Average sunshine days in September
Vresthena, Greece

  • Average sunshine days in September: 15.4 days

The months with the most sunshine days are July and August (22.6 days).
The month with the least sunshine days is February (9.9 days).

Average UV index in September
Vresthena, Greece

  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in September
Vresthena, Greece

  • Average cloud cover in September: 20

The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 12).

Average visibility in September
Vresthena, Greece

  • Average visibility in September: 10km

The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February and December (8km).