September weather forecastKalívai, Greece

September

Weather in September

September, the first month of the autumn in Kalívai, is still a warm month, with an average temperature fluctuating between 25.5°C (77.9°F) and 21°C (69.8°F).

Temperature

Kalívai's weather in September, with an average high-temperature of a still warm 25.5°C (77.9°F), subtly shifts from August's 27.8°C (82°F). September nighttime temperatures hover close to the daytime peak with an average of 21°C (69.8°F).

Humidity

In September, the average relative humidity in Kalívai, Greece, is 67%.

Rainfall

In Kalívai, Greece, in September, it is raining for 8 days, with typically 20mm (0.79") of accumulated precipitation. Throughout the year, there are 118 rainfall days, and 489mm (19.25") of precipitation is accumulated.

Snowfall

In Kalívai, Greece, snow does not fall in January, February, April through December.

Sea temperature

In Kalívai, Greece, in September, the average water temperature is 25.4°C (77.7°F).
Note: In water temperatures ranging between 25°C (77°F) and 29°C (84.2°F), activities such as swimming and diving become highly pleasurable for long durations.

Daylight

In Kalívai, Greece, the average length of the day in September is 12h and 24min.
On the first day of September in Kalívai, sunrise is at 06:56 and sunset at 19:50. On the last day of the month, sunrise is at 07:18 and sunset at 19:09 EEST.

Sunshine

The average sunshine in September is 10h.

UV index

The average daily maximum UV index in September in Kalívai is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 6 during September translates into the following directions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. 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. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Warning! Sand and water reflections boost the intensity of UV exposure.

Frequently asked questions

In September, the average high-temperature and low-temperature in Kalívai, Greece, are 25.5°C (77.9°F) and 21°C (69.8°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 30°C (86°F).

In September, the average relative humidity in Kalívai is 67%.

In Kalívai, in September, during 8 rainfall days, 20mm (0.79") of precipitation is typically accumulated.

January, February, April through December are months without snowfall in Kalívai, Greece.

In Kalívai, the average seawater temperature in September is 25.4°C (77.7°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

The average day length in September is 12h and 24min.

In September, on the first day of the month, sunrise is at 06:56 and sunset at 19:50. On the last day of the month, sunrise is at 07:18 and sunset at 19:09 EEST.

In Kalívai, the average sunshine duration in September is 10h.

The average daily maximum UV index in September in Kalívai, Greece, is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Kalívai, Greece

  • Average high temperature in September: 25.5°C

The warmest months (with the highest average high temperature) are July and August (27.8°C).
The month with the lowest average high temperature is January (13.3°C).

  • Average low temperature in September: 21°C

The months with the highest average low temperature are July and August (22.3°C).
The coldest month (with the lowest average low temperature) is January (9.8°C).

Average pressure in September
Kalívai, Greece

  • Average pressure in September: 1013.9mbar

The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is July (1010.5mbar).

Average wind speed in September
Kalívai, Greece

  • Average wind speed in September: 12.2km/h

The windiest month (with the highest average wind speed) is January (17.3km/h).
The calmest months (with the lowest average wind speed) are June and July (12km/h).

Average humidity in September
Kalívai, Greece

  • Average humidity in September: 67%

The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is July (63%).

Average rainfall in September
Kalívai, Greece

  • Average rainfall in September: 20mm

The wettest month (with the highest rainfall) is January (89mm).
The driest month (with the least rainfall) is July (4mm).

Average rainfall days in September
Kalívai, Greece

  • Average rainfall days in September: 8 days

The month with the highest number of rainy days is December (17.4 days).
The month with the least rainy days is July (2 days).

Average snowfall in September
Kalívai, Greece

  • Average snowfall in September: 0mm

The month with the highest snowfall is March (10mm).
The months with the least snowfall are January, February, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Kalívai, Greece

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is March (0.1 days).
The months with the least snowfall days are January, February, April, May, June, July, August, September, October, November and December (0 days).

Average sea temperature in September
Kalívai, Greece

  • Average sea temperature in September: 25.4°C

The best month for swimming (with the highest average sea temperature) is August (25.9°C).
The coldest month (with the lowest average sea temperature) is February (16.1°C).

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

  • Average daylight in September: 12h and 24min

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 0min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).

Average sunshine days in September
Kalívai, Greece

  • Average sunshine days in September: 20.1 days

The month with the most sunshine days is July (28.6 days).
The month with the least sunshine days is December (11.1 days).

Average UV index in September
Kalívai, Greece

  • Average UV index in September: 6

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in September
Kalívai, Greece

  • Average cloud cover in September: 11

The months with the most cloud cover are January and December (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 4).

Average visibility in September
Kalívai, 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).