Patmos
Greece
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Patmos, Greece

The first month of the autumn, September, is still a warm month in Patmos, Greece, with average temperature varying between 25.5°C (77.9°F) and 22.2°C (72°F).

Temperature

In Patmos, the average high-temperature marginally drops, from 29°C (84.2°F) in August, to a still warm 25.5°C (77.9°F). In September, the average low-temperature is 22.2°C (72°F).

Humidity

In September, the average relative humidity in Patmos, Greece, is 65%.

Rainfall

In Patmos, during September, the rain falls for 3.5 days and regularly aggregates up to 10mm (0.39") of precipitation. Throughout the year, in Patmos, there are 92.8 rainfall days, and 352mm (13.86") of precipitation is accumulated.

Daylight

The average length of the day in September is 12.4h.

Sunshine

In Patmos, the average sunshine in September is 11.2h.

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Patmos?

In September, in Patmos, the average high-temperature is 25.5°C (77.9°F), and the average low-temperature is 22.2°C (72°F).

What is the average humidity in September in Patmos?

The average relative humidity in September is 65%.

How many days does it rain in September in Patmos?

In Patmos, Greece, during September, the rain falls for 3.5 days and regularly aggregates up to 10mm (0.39") of precipitation.

What is the average length of the day in September in Patmos?

In Patmos, the average length of the day in September is 12.4h.

How long on average sun shines in September in Patmos?

The average sunshine in September in Patmos is 11.2h.

How high is the UV index in September in Patmos?

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to the UV radiation.
Average temperature in September - Patmos, Greece
  • Average high temperature in September: 25.5°C

The warmest month (with the highest average high temperature) is August (29°C).
The month with the lowest average high temperature is January (12.8°C).

  • Average low temperature in September: 22.2°C

The month with the highest average low temperature is August (24.4°C).
The coldest month (with the lowest average low temperature) is January (10°C).

Average humidity in September - Patmos, Greece
  • Average humidity in September: 65%

The month with the highest relative humidity is February (71%).
Months with the lowest relative humidity are July and August (63%).

Average rainfall in September - Patmos, Greece
  • Average rainfall in September: 10mm

The wettest month (with the highest rainfall) is January (79mm).
The driest months (with the least rainfall) are July and August (1mm).

Average rainfall days in September - Patmos, Greece
  • Average rainfall days in September: 3.5 days

Months with the highest number of rainy days are January and December (13.1 days).
The month with the least rainy days is August (0.6 days).

Average daylight in September / Average sunshine in September - Patmos, Greece
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in September: 11.2h

The month with the most sunshine is June (Average sunshine: 12.2h).
The month with the least sunshine is January (Average sunshine: 5.9h).

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

Months with the highest UV index are July and August (UV index 7).
Months with the lowest UV index are January and December (UV index 3).