September weather forecastIoannina, Greece
September
Weather in September
Ioannina in September witnesses a gradual transition from the high summer heat to the mild autumn season. The city begins to cool down, providing pleasant mornings and relatively cooler nights. The temperature falls to an average high of 23.6°C (74.5°F), bringing back the soft autumnal breeze. The enrapturing blend of the lithe Greek sun and the crisp, autumn air blesses Ioannina with an engaging allure. The golden hue that September ushers in creates an enduring impression on the city's panoramic landscapes.Temperature
September's arrival in Ioannina corresponds with a decrease in average high-temperatures, from August's 29.4°C (84.9°F) to a still warm 23.6°C (74.5°F). During the month of September, Ioannina's nighttime temperature lowers to an average of 12.7°C (54.9°F).Humidity
The average relative humidity in September is 67%.Rainfall
In Ioannina, Greece, in September, during 14.5 rainfall days, 63mm (2.48") of precipitation is typically accumulated. In Ioannina, during the entire year, the rain falls for 189.3 days and collects up to 993mm (39.09") of precipitation.Snowfall
May through October are months without snowfall in Ioannina.Daylight
The average length of the day in September in Ioannina is 12h and 27min.On the first day of the month, sunrise is at 07:05 and sunset at 20:07. On the last day of September, in Ioannina, sunrise is at 07:32 and sunset at 19:20 EEST.
Sunshine
In September, the average sunshine in Ioannina is 9.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. To guard against the harmful effects of the Sun, minimize exposure during midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ioannina, Greece
- Average high temperature in September: 23.6°C
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in September: 12.7°C
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in September
Ioannina, Greece
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is July (1012.4mbar).
Average wind speed in September
Ioannina, Greece
- Average wind speed in September: 6.4km/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 August (5.9km/h).
Average humidity in September
Ioannina, Greece
- Average humidity in September: 67%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (55%).
Average rainfall in September
Ioannina, Greece
- Average rainfall in September: 63mm
The wettest month (with the highest rainfall) is November (133mm).
The driest month (with the least rainfall) is August (38mm).
Average rainfall days in September
Ioannina, Greece
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is August (11.8 days).
Average snowfall in September
Ioannina, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is January (63mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Ioannina, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.2 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
Ioannina, Greece
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Ioannina, Greece
- Average sunshine days in September: 13 days
The month with the most sunshine days is August (16.9 days).
The month with the least sunshine days is May (7.3 days).
Average UV index in September
Ioannina, Greece
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Ioannina, Greece
- Average cloud cover in September: 24
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Ioannina, Greece
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February and December (8km).





