September weather forecastTriandria, Greece

September

Weather in September

The first month of the autumn, September, is still a warm month in Triandria, Greece, with an average temperature varying between 17°C (62.6°F) and 26.4°C (79.5°F).

Temperature

The beginning of September marks a decrease in the average high-temperature, transitioning from a hot 31.7°C (89.1°F) in August to a moderately hot 26.4°C (79.5°F). Throughout September, the average low-temperature records at a refreshing 17°C (62.6°F).

Humidity

In September, the average relative humidity is 59%.

Rainfall

In Triandria, in September, it is raining for 9.8 days, with typically 28mm (1.1") of accumulated precipitation. Throughout the year, in Triandria, there are 133.1 rainfall days, and 436mm (17.17") of precipitation is accumulated.

Snowfall

In Triandria, snow does not fall in April through October.

Daylight

In Triandria, the average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 06:55 and sunset at 20:00. On the last day of the month, sunrise is at 07:24 and sunset at 19:11 EEST.

Sunshine

The average sunshine in September in Triandria is 9.6h.

UV index

The average daily maximum UV index in September in Triandria is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 5 during September leads to these instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

The high-temperature, in September, in Triandria, records 26.4°C (79.5°F), while the low-temperature is 17°C (62.6°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is calculated to be 34°C (93.2°F).

In September, the average relative humidity in Triandria is 59%.

In September, in Triandria, the rain falls for 9.8 days. Throughout September, 28mm (1.1") of precipitation is accumulated.

April through October are months without snowfall.

The average day length in September is 12h and 28min.

On the first day of September in Triandria, Greece, sunrise is at 06:55 and sunset at 20:00. On the last day of the month, sunrise is at 07:24 and sunset at 19:11 EEST.

In Triandria, Greece, the average sunshine duration in September is 9.6h.

The average daily maximum UV index in September in Triandria, Greece, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Triandria, Greece

  • Average high temperature in September: 26.4°C

The warmest month (with the highest average high temperature) is July (31.8°C).
The month with the lowest average high temperature is January (8.4°C).

  • Average low temperature in September: 17°C

The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).

Average pressure in September
Triandria, Greece

  • Average pressure in September: 1016.2mbar

The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).

Average wind speed in September
Triandria, Greece

  • Average wind speed in September: 7.8km/h

The windiest month (with the highest average wind speed) is February (9.2km/h).
The calmest month (with the lowest average wind speed) is November (7.3km/h).

Average humidity in September
Triandria, Greece

  • Average humidity in September: 59%

The months with the highest relative humidity are January and February (75%).
The month with the lowest relative humidity is August (52%).

Average rainfall in September
Triandria, Greece

  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is March (55mm).
The driest month (with the least rainfall) is August (20mm).

Average rainfall days in September
Triandria, Greece

  • Average rainfall days in September: 9.8 days

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (8.4 days).

Average snowfall in September
Triandria, Greece

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (35mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Triandria, Greece

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 9h and 36min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).

Average sunshine days in September
Triandria, Greece

  • Average sunshine days in September: 17.9 days

The month with the most sunshine days is August (20 days).
The month with the least sunshine days is June (13.5 days).

Average UV index in September
Triandria, Greece

  • Average UV index in September: 5

The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in September
Triandria, Greece

  • Average cloud cover in September: 22

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 15).

Average visibility in September
Triandria, Greece

  • Average visibility in September: 10km

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