September weather forecast
Kalathas, Greece

September

Weather in September

September, the first month of the autumn in Kalathas, is still a warm month, with an average temperature ranging between max 26°C (78.8°F) and min 20.1°C (68.2°F).

Temperature

The weather during September records an average high-temperature of a still moderately hot 26°C (78.8°F), closely mirroring the preceding month. Kalathas experiences a nighttime temperature average of 20.1°C (68.2°F) during September.

Humidity

In September, the average relative humidity is 67%.

Rainfall

In Kalathas, during September, the rain falls for 8.3 days and regularly aggregates up to 24mm (0.94") of precipitation. Throughout the year, there are 119.3 rainfall days, and 509mm (20.04") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of September, 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 19:08 EEST.

Sunshine

In Kalathas, the average sunshine in September is 9.9h.

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A maximum high daily UV index of 6 during September translates into the following directions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

What is the usual temperature for Kalathas in September?
In Kalathas, 26°C (78.8°F) is the average high-temperature and 20.1°C (68.2°F) is the average low-temperature during September. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in August is estimated at 30°C (86°F).
What is the average humidity in September?
In September, the average relative humidity is 67%.
How much does it rain in September?
In Kalathas, during September, the rain falls for 8.3 days and regularly aggregates up to 24mm (0.94") of precipitation.
How many hours of daylight does Kalathas have in September?
In September, the average day length is 12h and 24min.
When is the sunrise / sunset in September?
On the first day of September, 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 19:08 EEST.
How many hours of sunshine does Kalathas have in September?
The average sunshine duration in September is 9.9h.
What is the UV index reading in September?
In Kalathas, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Kalathas, Greece
Average temperature in September
Kalathas, Greece
  • Average high temperature in September: 26°C

The warmest month (with the highest average high temperature) is July (28.5°C).
The month with the lowest average high temperature is January (13.3°C).

  • Average low temperature in September: 20.1°C

The month with the highest average low temperature is August (22°C).
The coldest month (with the lowest average low temperature) is January (9.2°C).

Average pressure in September - Kalathas, Greece
Average pressure in September
Kalathas, Greece
  • Average pressure in September: 1014mbar

The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is July (1010.6mbar).

Average wind speed in September - Kalathas, Greece
Average wind speed in September
Kalathas, Greece
  • Average wind speed in September: 12.2km/h

The windiest month (with the highest average wind speed) is January (17km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).

Average humidity in September - Kalathas, Greece
Average humidity in September
Kalathas, Greece
  • Average humidity in September: 67%

The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is July (61%).

Average rainfall in September - Kalathas, Greece
Average rainfall in September
Kalathas, Greece
  • Average rainfall in September: 24mm

The wettest month (with the highest rainfall) is January (91mm).
The driest month (with the least rainfall) is July (3mm).

Average rainfall days in September - Kalathas, Greece
Average rainfall days in September
Kalathas, Greece
  • Average rainfall days in September: 8.3 days

The month with the highest number of rainy days is January (17.6 days).
The month with the least rainy days is July (1.7 days).

Average daylight in September / Average sunshine in September - Kalathas, Greece
Average daylight in September /
Average sunshine in September
Kalathas, 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: 9h and 5min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in September - Kalathas, Greece
Average sunshine days in September
Kalathas, Greece
  • Average sunshine days in September: 20.3 days

The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is January (11.3 days).

Average UV index in September - Kalathas, Greece
Average UV index in September
Kalathas, 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 - Kalathas, Greece
Average cloud cover in September
Kalathas, Greece
  • Average cloud cover in September: 13

The month with the most cloud cover is January (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 4).

Average visibility in September - Kalathas, Greece
Average visibility in September
Kalathas, 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).

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