Weather in Naxos in September 2025
Average weather
Average temperature in Naxos in September
Going from a maximum of +30°C during the day to a minimum of +19°C during the night, the temperature in September averages around +27°C.
The average maximum temperature goes down 36% by the end of the month, compared with the beginning of the month, from +30°C to +26°C.
Is Naxos warm or cold in September?
Naxos is typically warm in September.
Maximum temperatures go down compared to the previous month from +27°C to +25°C. The minimum temperature also goes down from +24°C to +22°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
September is one of the warmest months in Naxos, here is the comparison with other months:
Water temperature in Naxos in September
Water in Naxos in September is Comfortable. It varies from +22°C to +25°C, with an average of +24°C. This is almost similar to the air temperature, which averages +25°C.
The water temperature in September is one of the warmest of the entire year:
Can you swim in Naxos in September?
Climate in Naxos in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +27°C | +25°C | +22°C | ||||
| Min. temperature | ||||||
| +20°C | +15°C | +10°C | ||||
| Max. temperature | ||||||
| +36°C | +34°C | +31°C | ||||
| Rainfall | ||||||
| 1 mm | 6 mm | 27 mm | ||||
| Wind | ||||||
| 6 m/s | 6 m/s | 6 m/s | ||||
| Avg. water temperature | ||||||
| +25°C | +24°C | +22°C | ||||
| Humidity | ||||||
| 75% | 74% | 75% | ||||
| Air pressure | ||||||
| 1009 HPa | 1013 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 30 | 25 | 15 | ||||
| Cloudy days | ||||||
| 0 | 3 | 9 | ||||
| Rainy days | ||||||
| 0 | 2 | 5 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as great as in August. It’s getting colder in September. From +27°C in the day, the average maximum temperature lowers to +25°C. Prepare for more rain. Average rainfall goes from 1 mm to 6 mm. It feels drier, as humidity decreases from 75% to 74%. The average wind speed doesn’t change much during September, staying around 6 m/s. The days becoming less sunny, going from 30 sunny days in August to 25 in September.
Next month (October) brings a further decline in the weather.
Wind
The average wind speed is 5 m/s getting up to 9 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Naxos is gradually increasing during September, going from 3 m/s to 7 m/s over the course of the month.
Rain
How was the weather last September in Naxos?
Climate Change over Years
The climate in Naxos in September has not changed much over the last 43 years.
The average temperature was the lowest in 1983 (+18°C) and the highest in 2010 (+22°C). The driest year was 1989 with only 157 mm of rainfall, and the wettest year was 2019 with 1104 mm.
FAQ
Is September a good time to visit Naxos?
Can you sunbathe in Naxos in September?
Can you swim in Naxos in September?
Is Naxos rainy in September?
Is it sunny in Naxos in September?
Other cities in Greece
Monthly weather in Naxos
Source of the data
For this page, we’ve looked at the typical weather in Naxos, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.