September weather forecastIstiaia, Greece
September
Weather in September
September, the first month of the autumn in Istiaia, is still a warm month, with an average temperature varying between 22.1°C (71.8°F) and 24.3°C (75.7°F).Temperature
Transitioning into September, Istiaia records an average high-temperature of a still moderately hot 24.3°C (75.7°F), almost identical to August's 27°C (80.6°F). September in Istiaia witnesses a minor deviation from daytime peaks, with an average nighttime temperature of 22.1°C (71.8°F).Humidity
The months with the lowest humidity are July through September, with an average relative humidity of 66%.Rainfall
In Istiaia, during September, the rain falls for 10.8 days and regularly aggregates up to 49mm (1.93") of precipitation. In Istiaia, Greece, during the entire year, the rain falls for 133.4 days and collects up to 511mm (20.12") of precipitation.Snowfall
In Istiaia, snow does not fall in February through December.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 06:56 and sunset at 19:57. On the last day of September, in Istiaia, sunrise is at 07:22 and sunset at 19:11 EEST.
Sunshine
The average sunshine in September in Istiaia is 9.5h.UV index
In September, the average daily maximum UV index in Istiaia is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 6 in September translates into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Istiaia, Greece
- Average high temperature in September: 24.3°C
The warmest month (with the highest average high temperature) is August (27°C).
The month with the lowest average high temperature is January (11.8°C).
- Average low temperature in September: 22.1°C
The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (9.3°C).
Average pressure in September
Istiaia, Greece
- Average pressure in September: 1015mbar
The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is July (1011.8mbar).
Average wind speed in September
Istiaia, Greece
- Average wind speed in September: 15.5km/h
The windiest month (with the highest average wind speed) is February (20.7km/h).
The calmest months (with the lowest average wind speed) are June and July (13.1km/h).
Average humidity in September
Istiaia, Greece
- Average humidity in September: 66%
The months with the highest relative humidity are January, February and November (71%).
The months with the lowest relative humidity are July, August and September (66%).
Average rainfall in September
Istiaia, Greece
- Average rainfall in September: 49mm
The wettest month (with the highest rainfall) is February (62mm).
The driest month (with the least rainfall) is August (17mm).
Average rainfall days in September
Istiaia, Greece
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is January (14.3 days).
The month with the least rainy days is July (6.6 days).
Average snowfall in September
Istiaia, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Istiaia, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Istiaia, 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 30min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Istiaia, Greece
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is July (22.5 days).
The month with the least sunshine days is February (13.5 days).
Average UV index in September
Istiaia, 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 and December (UV index 3).
Average cloud cover in September
Istiaia, Greece
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in September
Istiaia, Greece
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
