September weather forecastKatouna, Greece

September

Weather in September

September, the first month of the autumn in Katouna, is still a warm month, with an average temperature ranging between min 21.8°C (71.2°F) and max 26.1°C (79°F).

Temperature

Start of September brings a slight shift in the average high-temperature, dipping a bit from August's warm 29.6°C (85.3°F) to a still moderately hot 26.1°C (79°F). An average low-temperature of 21.8°C (71.2°F) characterizes Katouna's September nights.

Humidity

The average relative humidity in September is 64%.

Rainfall

In Katouna, during September, the rain falls for 10.3 days and regularly aggregates up to 45mm (1.77") of precipitation. In Katouna, during the entire year, the rain falls for 137.4 days and collects up to 782mm (30.79") of precipitation.

Snowfall

In Katouna, snow does not fall in February through December.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 07:05 and sunset at 20:05. On the last day of September, sunrise is at 07:30 and sunset at 19:19 EEST.

Sunshine

In Katouna, the average sunshine in September is 9.6h.

UV index

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 6 in September translates into these instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Frequently asked questions

The high-temperature, in September, in Katouna, records 26.1°C (79°F), while the low-temperature is 21.8°C (71.2°F). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 32°C (89.6°F).

The average relative humidity in September is 64%.

In Katouna, in September, it is raining for 10.3 days, with typically 45mm (1.77") of accumulated precipitation.

February through December are months without snowfall.

The average day length in September is 12h and 26min.

On the first day of September, sunrise is at 07:05 and sunset at 20:05. On the last day of the month, sunrise is at 07:30 and sunset at 19:19 EEST.

In Katouna, the average sunshine duration in September is 9.6h.

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Katouna, Greece

  • Average high temperature in September: 26.1°C

The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (12.7°C).

  • Average low temperature in September: 21.8°C

The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (9.3°C).

Average pressure in September
Katouna, Greece

  • Average pressure in September: 1015mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1012.1mbar).

Average wind speed in September
Katouna, Greece

  • Average wind speed in September: 10.4km/h

The windiest month (with the highest average wind speed) is February (14.9km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).

Average humidity in September
Katouna, Greece

  • Average humidity in September: 64%

The months with the highest relative humidity are January, February, March and April (70%).
The month with the lowest relative humidity is August (62%).

Average rainfall in September
Katouna, Greece

  • Average rainfall in September: 45mm

The wettest month (with the highest rainfall) is November (152mm).
The driest month (with the least rainfall) is August (3mm).

Average rainfall days in September
Katouna, Greece

  • Average rainfall days in September: 10.3 days

The month with the highest number of rainy days is January (17.6 days).
The month with the least rainy days is August (2.3 days).

Average snowfall in September
Katouna, Greece

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Katouna, Greece

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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

  • Average daylight in September: 12h and 24min

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: 9h and 36min

The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).

Average sunshine days in September
Katouna, Greece

  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is August (26.5 days).
The month with the least sunshine days is February (11.3 days).

Average UV index in September
Katouna, Greece

  • Average UV index in September: 6

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

Average cloud cover in September
Katouna, Greece

  • Average cloud cover in September: 15

The month with the most cloud cover is January (Cloud cover 39).
The months with the least cloud cover are July and August (Cloud cover 8).

Average visibility in September
Katouna, 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).