September weather forecastExostis, Greece

September

Weather in September

September, the first month of the autumn in Exostis, is also a moderately hot month, with temperature in the range of an average high of 26.3°C (79.3°F) and an average low of 17.5°C (63.5°F).

Temperature

The transition to September results in a modest reduction in average high-temperature, moving from a hot 30.4°C (86.7°F) in August to a moderately hot 26.3°C (79.3°F). In Exostis, September nights cool down to an average of 17.5°C (63.5°F).

Humidity

The average relative humidity in September in Exostis is 60%.

Rainfall

In September, in Exostis, the rain falls for 10.1 days. Throughout September, 30mm (1.18") of precipitation is accumulated. Throughout the year, in Exostis, there are 121.1 rainfall days, and 396mm (15.59") of precipitation is accumulated.

Snowfall

In Exostis, snow does not fall in April through November.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 06:59 and sunset at 19:57. On the last day of the month, sunrise is at 07:23 and sunset at 19:13 EEST.

Sunshine

In Exostis, the average sunshine in September is 9.5h.

UV index

The average daily maximum UV index in September in Exostis is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In September, an average UV index of 5 transforms into the following instructions:
Guard yourself - Avoiding sunburn is suggested. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

The average high-temperature and low-temperature in Exostis during September are 26.3°C (79.3°F) and 17.5°C (63.5°F) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in August is calculated to be 32°C (89.6°F).

In Exostis, Greece, the average relative humidity in September is 60%.

In September, in Exostis, the rain falls for 10.1 days. Throughout September, 30mm (1.18") of precipitation is accumulated.

April through November are months without snowfall in Exostis.

In September, the average day length in Exostis, Greece, is 12h and 25min.

In September, on the first day of the month, sunrise is at 06:59 and sunset at 19:57. On the last day of the month, in Exostis, sunrise is at 07:23 and sunset at 19:13 EEST.

In September, the average sunshine duration in Exostis, Greece, is 9.5h.

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to 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
Exostis, Greece

  • Average high temperature in September: 26.3°C

The warmest month (with the highest average high temperature) is July (30.7°C).
The month with the lowest average high temperature is January (10.6°C).

  • Average low temperature in September: 17.5°C

The month with the highest average low temperature is August (20.4°C).
The coldest month (with the lowest average low temperature) is January (4.1°C).

Average pressure in September
Exostis, Greece

  • Average pressure in September: 1014.7mbar

The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1011.6mbar).

Average wind speed in September
Exostis, Greece

  • Average wind speed in September: 7.9km/h

The windiest month (with the highest average wind speed) is August (9.5km/h).
The calmest month (with the lowest average wind speed) is November (7.6km/h).

Average humidity in September
Exostis, Greece

  • Average humidity in September: 60%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (50%).

Average rainfall in September
Exostis, Greece

  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is March (53mm).
The driest month (with the least rainfall) is August (9mm).

Average rainfall days in September
Exostis, Greece

  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is February (13.3 days).
The month with the least rainy days is August (5 days).

Average snowfall in September
Exostis, Greece

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (15mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Exostis, Greece

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Exostis, 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 36min).

  • Average sunshine in September: 9h and 30min

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 54min).

Average sunshine days in September
Exostis, Greece

  • Average sunshine days in September: 18.3 days

The month with the most sunshine days is July (24.7 days).
The month with the least sunshine days is February (13.8 days).

Average UV index in September
Exostis, Greece

  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in September
Exostis, Greece

  • Average cloud cover in September: 17

The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 9).

Average visibility in September
Exostis, Greece

  • Average visibility in September: 10km

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