Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The transition from August to September brings an average high-temperature of a still moderately hot 25.5°C (77.9°F), barely different from August's 27.1°C (80.8°F). September witnesses a minor deviation from daytime peaks, with an average nighttime temperature of 22.8°C (73°F).Humidity
May, July and September, with an average relative humidity of 67%, are the least humid months.Rainfall
In Roussospiti, in September, it is raining for 4.4 days, with typically 6mm (0.24") of accumulated precipitation. Throughout the year, there are 80.6 rainfall days, and 185mm (7.28") of precipitation is accumulated.Daylight
In Roussospiti, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 06:54 and sunset at 19:49. On the last day of September, sunrise is at 07:16 and sunset at 19:07 EEST.
Sunshine
The average sunshine in September is 10.4h.UV index
In Roussospiti, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 6 suggests these recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the least humid month?
What is the average humidity in September in Roussospiti?
How many days does it rain in September?
How many hours of daylight does Roussospiti have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Roussospiti, Greece
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (27.1°C).
The month with the lowest average high temperature is January (14.3°C).
- Average low temperature in September: 22.8°C
The month with the highest average low temperature is August (24.4°C).
The coldest month (with the lowest average low temperature) is January (11.8°C).
Average pressure in September
Roussospiti, Greece
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is July (1010.2mbar).
Average wind speed in September
Roussospiti, Greece
- Average wind speed in September: 13.6km/h
The windiest month (with the highest average wind speed) is January (19.1km/h).
The calmest month (with the lowest average wind speed) is May (12.4km/h).
Average humidity in September
Roussospiti, Greece
- Average humidity in September: 67%
The months with the highest relative humidity are January and February (71%).
The months with the lowest relative humidity are May, July and September (67%).
Average rainfall in September
Roussospiti, Greece
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is December (38mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in September
Roussospiti, Greece
- Average rainfall days in September: 4.4 days
The month with the highest number of rainy days is December (13.5 days).
The month with the least rainy days is August (0.4 days).
Average daylight in September /
Average sunshine in September
Roussospiti, Greece
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 10h and 2min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in September
Roussospiti, Greece
- Average sunshine days in September: 23.8 days
The month with the most sunshine days is July (29.9 days).
The month with the least sunshine days is December (14.2 days).
Average UV index in September
Roussospiti, 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 4).
Average cloud cover in September
Roussospiti, Greece
- Average cloud cover in September: 8
The month with the most cloud cover is January (Cloud cover 33).
The months with the least cloud cover are July and August (Cloud cover 3).
Average visibility in September
Roussospiti, 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).
Roussospiti, Greece
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