September weather forecast
Nafplion, Greece

September ushers in changes with a dip in temperature and rainfall rising to 16mm (0.63"). This month signifies a transition from high summer heat to cooler fall seasons. Hours of daylight recede, and the intense sun mellows. The warm sea makes it an ideal time for watersports and beach outings. Anticipate a further cooling trend advancing into the autumn months.

Temperature

Nafplion's weather subtly changes with the onset of September, barely falling from a tropical 32°C (89.6°F) in August to a moderately hot 28°C (82.4°F). Despite a stark disparity with daily highs, Nafplion records an average nighttime temperature of 16°C (60.8°F) in September.

Rainfall

In September, the rain falls for 2 days. Throughout September, 16mm (0.63") of precipitation is accumulated. In Nafplion, during the entire year, the rain falls for 82 days and collects up to 576mm (22.68") of precipitation.

Sea temperature

In Nafplion, in September, the average water temperature is 25.3°C (77.5°F).
Note: For swimming, diving, or other water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) provide the most enjoyable experience for extended periods without discomfort.

Daylight

In September, the average length of the day in Nafplion is 12h and 25min.
On the first day of September in Nafplion, sunrise is at 06:59 and sunset at 19:57. On the last day of the month, sunrise is at 07:23 and sunset at 19:13 EEST.

Sunshine

In Nafplion, the average sunshine in September is 9h.

UV index

In Nafplion, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be on guard! The reflective nature of sand and water boosts UV exposure.