September weather forecast
Chalcis, Greece

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Weather in September

September signals a subtle change in the weather as Chalcis begins its transition from the heat of summer towards the cool of autumn. The city starts to mellow, the summer crowds dissolve, and there’s a tranquil beauty in the air. However, the sea remains warm at 24.8°C (76.6°F), an alluring prospect for late-season swimmers. The daylight hours start to decrease, but Autumn is still far off with October promising a more noticeable shift in seasonal weather.

Temperature

Chalcis's September weather features a light decline in high-temperatures, reducing from a tropical 32.3°C (90.1°F) in August to a warm 28.9°C (84°F). Chalcis experiences an average low-temperature of 19.2°C (66.6°F) in month of September.

Sea temperature

In September, the average sea temperature is 24.8°C (76.6°F).
Note: The cold tolerance of an individual, along with sunshine, wind, and the temperature of the environment, affects the enjoyment of swimming in 24.8°C (76.6°F) waters. (Olympic swimmers participate in waters ranging from 25°C (77°F) to 28°C (82.4°F).)

Daylight

In September, the average length of the day in Chalcis is 12h and 26min.
On the first day of September in Chalcis, Greece, sunrise is at 06:55 and sunset at 19:55. On the last day of the month, sunrise is at 07:20 and sunset at 19:09 EEST.

Frequently asked questions

How hot is September in Chalcis?

September temperatures vary between a high-temperature of 28.9°C (84°F) and a low-temperature of 19.2°C (66.6°F).

What is the sea temperature in September in Chalcis?

In Chalcis, Greece, in September, the average water temperature is 24.8°C (76.6°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 24.8°C (76.6°F).

How many hours of daylight does Chalcis have in September?

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

When is the sunrise / sunset in September in Chalcis?

In September, on the first day of the month, sunrise is at 06:55 and sunset at 19:55. On the last day of the month, in Chalcis, Greece, sunrise is at 07:20 and sunset at 19:09 EEST.

Average temperature in September
Chalcis, Greece

Average temperature in September - Chalcis, Greece
  • Average high temperature in September: 28.9°C

The warmest month (with the highest average high temperature) is July (32.6°C).
The month with the lowest average high temperature is January (12.9°C).

  • Average low temperature in September: 19.2°C

The month with the highest average low temperature is July (22.5°C).
The coldest month (with the lowest average low temperature) is January (6.5°C).

Average sea temperature in September
Chalcis, Greece

Average sea temperature in September - Chalcis, Greece
  • Average sea temperature in September: 24.8°C

The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (14.9°C).

Average daylight in September
Chalcis, Greece

Average daylight in September - Chalcis, 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).

Chalcis, Greece

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