September weather forecastNafplion, Greece

September

Weather in September

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.

Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in September, in Nafplion, is 28°C (82.4°F) and the average low-temperature is 16°C (60.8°F).

In Nafplion, Greece, in September, it is raining for 2 days, with typically 16mm (0.63") of accumulated precipitation.

In Nafplion, Greece, the average seawater temperature in September is 25.3°C (77.5°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

In September, the average day length in Nafplion, Greece, is 12h and 25min.

In September, on the first day of the month, 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.

The average sunshine duration in September in Nafplion, Greece, is 9h.

In Nafplion, Greece, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

32°C

28°C

23°C

Average low temperature

Average rainfall

Average rainfall days

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in September
Nafplion, Greece

Average high temperature in September: 28°C

The warmest months (with the highest average high temperature) are July and August (32°C).
The month with the lowest average high temperature is January (13°C).

Average low temperature in September: 16°C

The months with the highest average low temperature are July and August (19°C).
The coldest months (with the lowest average low temperature) are January and February (5°C).

Average rainfall in September
Nafplion, Greece

Average rainfall in September: 16mm

The wettest month (with the highest rainfall) is December (110mm).
The driest month (with the least rainfall) is July (6mm).

Average rainfall days in September
Nafplion, Greece

Average rainfall days in September: 2 days

The month with the highest number of rainy days is December (12 days).
The month with the least rainy days is July (1 days).

Average sea temperature in September
Nafplion, Greece

Average sea temperature in September: 25.3°C

The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (15.3°C).

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

Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).