September weather forecastAgrinio, Greece
September
Weather in September
September signals the advent of Fall in Agrinio, with moderate temperatures and increasing rainfall. It maintains a high temperature but it is lower than August, indicating early signs of the Fall. However, the city continues to enjoy considerable sunlight hours. As daylight becomes less prominent, the city of Agrinio prepares for the diminishing temperatures of the upcoming months. By the end of September, temperature drops are perceivable, yet the ambience remains primarily comfortable.Temperature
Start of September brings a shift in the average high-temperature, falling from August's hot 32.8°C (91°F) to a warm 27.2°C (81°F). In the month of September, the nighttime temperature dips to a steady average of 16.9°C (62.4°F).Heat index
September's average heat index is computed to be 28°C (82.4°F). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.Note that heat index values are valued for light wind and location in the shade. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
The average relative humidity in September in Agrinio is 61%.Rainfall
In Agrinio, Greece, during September, the rain falls for 9.7 days and regularly aggregates up to 32mm (1.26") of precipitation. In Agrinio, during the entire year, the rain falls for 129.4 days and collects up to 528mm (20.79") of precipitation.Snowfall
In Agrinio, snow does not fall in April through November.Daylight
In Agrinio, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 07:03 and sunset at 20:04. On the last day of September, in Agrinio, sunrise is at 07:29 and sunset at 19:18 EEST.
Sunshine
In Agrinio, the average sunshine in September is 9.6h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 6 during September translates into the following directions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Agrinio, Greece
- Average high temperature in September: 27.2°C
The warmest month (with the highest average high temperature) is August (32.8°C).
The month with the lowest average high temperature is January (10.7°C).
- Average low temperature in September: 16.9°C
The month with the highest average low temperature is August (20°C).
The coldest month (with the lowest average low temperature) is January (3.9°C).
Average pressure in September
Agrinio, Greece
- Average pressure in September: 1015.1mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1012.1mbar).
Average wind speed in September
Agrinio, Greece
- Average wind speed in September: 7.4km/h
The windiest month (with the highest average wind speed) is February (9.5km/h).
The calmest month (with the lowest average wind speed) is July (7km/h).
Average humidity in September
Agrinio, Greece
- Average humidity in September: 61%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (50%).
Average rainfall in September
Agrinio, Greece
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is November (92mm).
The driest month (with the least rainfall) is August (6mm).
Average rainfall days in September
Agrinio, Greece
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is January (14.8 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in September
Agrinio, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is February (9mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Agrinio, Greece
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.4 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
Agrinio, Greece
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Agrinio, Greece
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is August (24.8 days).
The month with the least sunshine days is February (12.1 days).
Average UV index in September
Agrinio, Greece
- Average UV index in September: 6
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Agrinio, Greece
- Average cloud cover in September: 16
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Agrinio, Greece
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





