September weather forecast
Acherounes, Greece

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Weather in September

September, the first month of the autumn in Acherounes, is also a moderately hot month, with temperature in the range of an average low of 18°C (64.4°F) and an average high of 24°C (75.2°F).

Temperature

The shift from August to September includes a small decrease in the average high-temperature, from a warm 27°C (80.6°F) to a still moderately hot 24°C (75.2°F). During September, the temperature tends to dip to an average of 18°C (64.4°F) at night.

Rainfall

In Acherounes, during September, the rain falls for 3 days and regularly aggregates up to 29mm (1.14") of precipitation. In Acherounes, during the entire year, the rain falls for 73 days and collects up to 567mm (22.32") of precipitation.

Sea temperature

In Acherounes, in September, the average water temperature is 23°C (73.4°F).
Note: If someone is sensitive to cold, the enjoyment of swimming in 23°C (73.4°F) water hinges on factors like sunshine, wind, and the current air temperature. (For context: Olympic swimming competitions are held in water temperatures of 25°C (77°F) to 28°C (82.4°F).)

Daylight

In Acherounes, Greece, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 06:51 and sunset at 19:52. On the last day of September, in Acherounes, sunrise is at 07:17 and sunset at 19:06 EEST.

Sunshine

In September, the average sunshine in Acherounes is 10h.

UV index

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 6 during September translates into these guidelines:
Prevent overexposure. Protection from the sun's harmful effects is needed. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Beware! Reflections from sand and water can intensify the Sun's UV radiation.
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Frequently asked questions

What is the usual temperature for Acherounes in September?

The high-temperature, in September, in Acherounes, is 24°C (75.2°F), while the low-temperature averages to 18°C (64.4°F).

How many days does it rain in September in Acherounes?

In Acherounes, Greece, in September, it is raining for 3 days, with typically 29mm (1.14") of accumulated precipitation.

What is the sea temperature in September in Acherounes?

In Acherounes, in September, the average water temperature is 23°C (73.4°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23°C (73.4°F) water may be enjoyable.

How many hours of daylight does Acherounes have in September?

In Acherounes, Greece, the average day length in September is 12h and 26min.

When are sunrise and sunset in September in Acherounes?

On the first day of September, sunrise is at 06:51 and sunset at 19:52. On the last day of the month, sunrise is at 07:17 and sunset at 19:06 EEST.

How long on average sun shines in September in Acherounes?

The average sunshine duration in September in Acherounes, Greece, is 10h.

What is the UV index intensity in September in Acherounes?

The average daily maximum UV index in September in Acherounes, Greece, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in September
Acherounes, Greece

Average temperature in September - Acherounes, Greece
  • Average high temperature in September: 24°C

The warmest months (with the highest average high temperature) are July and August (27°C).
The month with the lowest average high temperature is January (11°C).

  • Average low temperature in September: 18°C

The months with the highest average low temperature are July and August (21°C).
The coldest month (with the lowest average low temperature) is January (6°C).

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Average rainfall in September
Acherounes, Greece

Average rainfall in September - Acherounes, Greece
  • Average rainfall in September: 29mm

The wettest months (with the highest rainfall) are January and December (98mm).
The driest month (with the least rainfall) is July (11mm).

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Average rainfall days in September
Acherounes, Greece

Average rainfall days in September - Acherounes, Greece
  • Average rainfall days in September: 3 days

The month with the highest number of rainy days is December (10 days).
The months with the least rainy days are June, July, August and September (3 days).

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Average sea temperature in September
Acherounes, Greece

Average sea temperature in September - Acherounes, Greece
  • Average sea temperature in September: 23°C

The best month for swimming (with the highest average sea temperature) is August (24°C).
The coldest months (with the lowest average sea temperature) are February and March (14°C).

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Average daylight in September /
Average sunshine in September
Acherounes, Greece

Average daylight in September / Average sunshine in September - Acherounes, Greece
  • Average daylight in September: 12h and 2min

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: 10h

The month with the most sunshine is July (Average sunshine: 13h).
The months with the least sunshine are January and December (Average sunshine: 4h).

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Average UV index in September
Acherounes, Greece

Average UV index in September - Acherounes, Greece
  • Average UV index in September: 6

The month with the highest UV index is July (UV index 10).
The months with the lowest UV index are January and December (UV index 2).

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Acherounes, Greece

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