September weather forecastNafpaktos, Greece

September

Weather in September

September, the first month of the autumn in Nafpaktos, is still a warm month, with temperature in the range of an average high of 26.2°C (79.2°F) and an average low of 16.7°C (62.1°F).

Temperature

Nafpaktos's progression into September involves a gentle drop in the average high-temperature, from a hot 30.9°C (87.6°F) in August to a moderately hot 26.2°C (79.2°F). An average low-temperature of 16.7°C (62.1°F) is noted during the nights in September.

Humidity

The average relative humidity in September in Nafpaktos is 64%.

Rainfall

In September, the rain falls for 11.1 days. Throughout September, 35mm (1.38") of precipitation is accumulated. Throughout the year, there are 145.4 rainfall days, and 585mm (23.03") of precipitation is accumulated.

Snowfall

March through December are months without snowfall in Nafpaktos.

Sea temperature

In Nafpaktos, the average seawater temperature in September is 25.5°C (77.9°F).
Note: Engaging in swimming, diving, or other water activities is highly enjoyable in temperatures ranging from 25°C (77°F) to 29°C (84.2°F), without any unpleasant sensations for prolonged durations.

Daylight

In Nafpaktos, the average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 07:02 and sunset at 20:02. On the last day of the month, sunrise is at 07:27 and sunset at 19:17 EEST.

Sunshine

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

UV index

In Nafpaktos, Greece, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Avoiding the Sun during its peak radiation time around midday is a healthy practice. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Note! The Sun's UV radiation gets intensified with the reflection from sand and water.

Frequently asked questions

The average high-temperature, in September, in Nafpaktos, is 26.2°C (79.2°F), while the average low-temperature is 16.7°C (62.1°F). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is calculated to be 33°C (91.4°F).

In September, the average relative humidity in Nafpaktos is 64%.

In Nafpaktos, in September, during 11.1 rainfall days, 35mm (1.38") of precipitation is typically accumulated.

In Nafpaktos, Greece, snow does not fall in March through December.

In September, the average sea temperature in Nafpaktos, Greece, is 25.5°C (77.9°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 Nafpaktos, the average day length in September is 12h and 26min.

In September, on the first day of the month, sunrise is at 07:02 and sunset at 20:02. On the last day of the month, in Nafpaktos, sunrise is at 07:27 and sunset at 19:17 EEST.

In September, the average sunshine duration is 9.6h.

In September, the average daily maximum UV index in Nafpaktos, Greece, is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sea temperature
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Nafpaktos, Greece

  • Average high temperature in September: 26.2°C

The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (10.3°C).

  • Average low temperature in September: 16.7°C

The month with the highest average low temperature is August (20°C).
The coldest month (with the lowest average low temperature) is January (4°C).

Average pressure in September
Nafpaktos, Greece

  • Average pressure in September: 1015mbar

The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1012mbar).

Average wind speed in September
Nafpaktos, Greece

  • Average wind speed in September: 7.6km/h

The windiest month (with the highest average wind speed) is February (10.5km/h).
The calmest month (with the lowest average wind speed) is July (7.3km/h).

Average humidity in September
Nafpaktos, Greece

  • Average humidity in September: 64%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (53%).

Average rainfall in September
Nafpaktos, Greece

  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is January (100mm).
The driest month (with the least rainfall) is August (11mm).

Average rainfall days in September
Nafpaktos, Greece

  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is March (15.8 days).
The month with the least rainy days is August (5.9 days).

Average snowfall in September
Nafpaktos, Greece

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Nafpaktos, 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 April, May, June, July, August, September, October, November and December (0 days).

Average sea temperature in September
Nafpaktos, Greece

  • Average sea temperature in September: 25.5°C

The best month for swimming (with the highest average sea temperature) is August (26.1°C).
The coldest month (with the lowest average sea temperature) is February (15.3°C).

Average daylight in September /
Average sunshine in September
Nafpaktos, 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 July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

Average sunshine days in September
Nafpaktos, Greece

  • Average sunshine days in September: 16.2 days

The month with the most sunshine days is August (23.6 days).
The month with the least sunshine days is February (11.3 days).

Average UV index in September
Nafpaktos, Greece

  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in September
Nafpaktos, Greece

  • Average cloud cover in September: 16

The months with the most cloud cover are January and February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 9).

Average visibility in September
Nafpaktos, Greece

  • Average visibility in September: 10km

The months with the highest visibility are April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March and December (9km).