September weather forecastKastanas, Greece

September

Weather in September

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

Temperature

Kastanas's September weather comes with a decrease in average high-temperatures, moving from a tropical 31.7°C (89.1°F) in August to a warm 26.4°C (79.5°F). An average low-temperature of 17°C (62.6°F) is observed during September nights in Kastanas, Greece.

Humidity

In September, the average relative humidity is 59%.

Rainfall

In Kastanas, in September, it is raining for 9.8 days, with typically 28mm (1.1") of accumulated precipitation. In Kastanas, during the entire year, the rain falls for 133.1 days and collects up to 436mm (17.17") of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of September in Kastanas, sunrise is at 06:56 and sunset at 20:01. On the last day of the month, sunrise is at 07:25 and sunset at 19:13 EEST.

Sunshine

The average sunshine in September in Kastanas is 9.6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the maximum UV index of 5 suggests this advice:
Prioritize safety - Recommendations to avert sunburn are shared. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

In September, the average high-temperature and low-temperature are 26.4°C (79.5°F) and 17°C (62.6°F) respectively. In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 34°C (93.2°F).

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

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

April through October are months without snowfall in Kastanas.

In September, the average day length is 12h and 28min.

On the first day of September in Kastanas, Greece, sunrise is at 06:56 and sunset at 20:01. On the last day of the month, sunrise is at 07:25 and sunset at 19:13 EEST.

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

The average daily maximum UV index in September in Kastanas, Greece, is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Kastanas, 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
Kastanas, 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
Kastanas, 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
Kastanas, 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
Kastanas, 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
Kastanas, 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
Kastanas, 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
Kastanas, 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
Kastanas, Greece

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 6min).
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
Kastanas, 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
Kastanas, 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
Kastanas, 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
Kastanas, 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).