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 sea temperature 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
The ideal sea water temperature of 25°C (77°F) and only 3.8 rainfall days, with 3mm (0.12") of accumulated rainfall, makes September the best time for swimming and other water activities.
Temperature
The average high-temperature in Planos, Greece, during September is a still moderately hot 25.6°C (78.1°F), almost matching the conditions of the preceding month. The nights of September in Planos cool down to an average low of 23.9°C (75°F), subtly lower than daytime highs.Humidity
September and December, with an average relative humidity of 67%, are the least humid months.Rainfall
Months with rainfall in Planos are January through July, September through December. September is the first month it rains. Throughout September, in the average 3.8 rainfall days, it receives 3mm (0.12") of precipitation. In Planos, during the entire year, the rain falls for 51.3 days and collects up to 100mm (3.94") of precipitation.Sea temperature
In Planos, the average seawater temperature in September is 25°C (77°F).Note: For activities in the water such as swimming or diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal for prolonged enjoyment without discomfort.
Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 07:06 and sunset at 20:05. On the last day of September, in Planos, sunrise is at 07:31 and sunset at 19:21 EEST.
Sunshine
In Planos, 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 hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 6 in September translates into these instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Heed this! UV intensity is much stronger when reflected off sand and water.
Frequently asked questions
What are the temperatures in Planos in September?
What are the least humid months in Planos?
What is the average humidity in September in Planos?
When does it start raining in Planos?
What is the sea water temperature in September in Planos?
What is the average length of the day in September in Planos?
What time are sunrise and sunset in September in Planos?
How many hours of sunshine does Planos have in September?
How high is the UV index in September in Planos?
Average temperature in September
Planos, Greece
- Average high temperature in September: 25.6°C
The warmest month (with the highest average high temperature) is August (28.2°C).
The month with the lowest average high temperature is January (14.2°C).
- Average low temperature in September: 23.9°C
The month with the highest average low temperature is August (26.3°C).
The coldest month (with the lowest average low temperature) is January (12.2°C).
Average pressure in September
Planos, Greece
- Average pressure in September: 1014.7mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011.9mbar).
Average wind speed in September
Planos, Greece
- Average wind speed in September: 14.2km/h
The windiest month (with the highest average wind speed) is January (21km/h).
The calmest month (with the lowest average wind speed) is June (14km/h).
Average humidity in September
Planos, Greece
- Average humidity in September: 67%
The month with the highest relative humidity is April (73%).
The months with the lowest relative humidity are September and December (67%).
Average rainfall in September
Planos, Greece
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is November (26mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days in September
Planos, Greece
- Average rainfall days in September: 3.8 days
The months with the highest number of rainy days are October and November (6.9 days).
The month with the least rainy days is August (0.3 days).
Average sea temperature in September
Planos, Greece
- Average sea temperature in September: 25°C
The best month for swimming (with the highest average sea temperature) is August (26°C).
The coldest months (with the lowest average sea temperature) are February and March (15°C).
Average daylight in September /
Average sunshine in September
Planos, Greece
- Average daylight in September: 12h and 2min
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 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in September
Planos, Greece
- Average sunshine days in September: 24 days
The month with the most sunshine days is August (30.2 days).
The month with the least sunshine days is November (19.5 days).
Average UV index in September
Planos, 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
Planos, Greece
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in September
Planos, 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).
Planos, Greece
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