September weather forecastStymfalia, Greece

September

Weather in September

September, the first month of the autumn in Stymfalia, is also a moderately hot month, with an average temperature ranging between min 15.1°C (59.2°F) and max 24.4°C (75.9°F).

Temperature

As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a warm 28.9°C (84°F) to a still moderately hot 24.4°C (75.9°F). Throughout the month of September, the nighttime temperature in Stymfalia, Greece, dips to an average of 15.1°C (59.2°F).

Humidity

In September, the average relative humidity is 64%.

Rainfall

In September, in Stymfalia, the rain falls for 13.7 days. Throughout September, 48mm (1.89") of precipitation is accumulated. In Stymfalia, during the entire year, the rain falls for 155.4 days and collects up to 681mm (26.81") of precipitation.

Snowfall

May through November are months without snowfall in Stymfalia.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 07:00 and sunset at 19:59. On the last day of the month, sunrise is at 07:25 and sunset at 19:14 EEST.

Sunshine

In September, the average sunshine is 9.2h.

UV index

The average daily maximum UV index in September in Stymfalia is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average maximum UV index of 5 in September leads to these recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

During September, Stymfalia experiences an average high-temperature of 24.4°C (75.9°F) and a low-temperature of 15.1°C (59.2°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in August is estimated at 30°C (86°F).

In Stymfalia, Greece, the average relative humidity in September is 64%.

In Stymfalia, in September, it is raining for 13.7 days, with typically 48mm (1.89") of accumulated precipitation.

May through November are months without snowfall.

In Stymfalia, the average day length in September is 12h and 26min.

In September, on the first day of the month, sunrise is at 07:00 and sunset at 19:59. On the last day of the month, sunrise is at 07:25 and sunset at 19:14 EEST.

In September, the average sunshine duration is 9.2h.

The average daily maximum UV index in September in Stymfalia, Greece, is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Stymfalia, Greece

  • Average high temperature in September: 24.4°C

The warmest months (with the highest average high temperature) are July and August (28.9°C).
The month with the lowest average high temperature is January (8.2°C).

  • Average low temperature in September: 15.1°C

The month with the highest average low temperature is August (17.6°C).
The coldest month (with the lowest average low temperature) is January (1.9°C).

Average pressure in September
Stymfalia, Greece

  • Average pressure in September: 1014.8mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1011.7mbar).

Average wind speed in September
Stymfalia, Greece

  • Average wind speed in September: 7.1km/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 (7.1km/h).

Average humidity in September
Stymfalia, Greece

  • Average humidity in September: 64%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (53%).

Average rainfall in September
Stymfalia, Greece

  • Average rainfall in September: 48mm

The wettest month (with the highest rainfall) is January (89mm).
The driest month (with the least rainfall) is August (26mm).

Average rainfall days in September
Stymfalia, Greece

  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is August (8.2 days).

Average snowfall in September
Stymfalia, Greece

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (108mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Stymfalia, Greece

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.3 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
Stymfalia, 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 12min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days in September
Stymfalia, Greece

  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is August (20.5 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in September
Stymfalia, Greece

  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in September
Stymfalia, 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 11).

Average visibility in September
Stymfalia, Greece

  • Average visibility in September: 10km

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