Weather in Mytilene in September 2025
Average weather
Average temperature in Mytilene in September
The temperature in September is +26°C on average, with a range between a maximum of +29°C during the day and a minimum of +19°C at night.
The average maximum temperature goes down 40% by the end of the month, compared with the beginning of the month, from +28°C to +24°C.
Is Mytilene warm or cold in September?
Mytilene is typically warm in September.
Maximum temperatures go down compared to the previous month from +30°C to +26°C. The minimum temperature also goes down from +23°C to +20°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Mytilene:
Climate in Mytilene in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +30°C | +26°C | +21°C | ||||
| Min. temperature | ||||||
| +18°C | +14°C | +8°C | ||||
| Max. temperature | ||||||
| +37°C | +36°C | +33°C | ||||
| Rainfall | ||||||
| 1 mm | 16 mm | 52 mm | ||||
| Wind | ||||||
| 4 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 67% | 70% | 74% | ||||
| Air pressure | ||||||
| 1009 HPa | 1012 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 29 | 24 | 17 | ||||
| Cloudy days | ||||||
| 0 | 2 | 7 | ||||
| Rainy days | ||||||
| 1 | 3 | 7 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as great as in August. It’s getting colder in September. From +30°C in the day, the average maximum temperature lowers to +26°C. Prepare for more rain. Average rainfall goes from 1 mm to 16 mm. Humidity rises from 67% to 70%. Winds are calmer in comparison to August, going down from 4 m/s to 3 m/s on average. The days becoming less sunny, going from 29 sunny days in August to 24 in September.
Next month (October) brings a further decline in the weather.
Wind
The average wind speed is 4 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Mytilene is gradually increasing during September, going from 3 m/s to 3 m/s over the course of the month.
Rain
How was the weather last September in Mytilene?
Climate Change over Years
The climate in Mytilene in September has not changed much over the last 43 years.
The average temperature was the lowest in 1992 (+19°C) and the highest in 2014 (+23°C). The driest year was 1989 with only 342 mm of rainfall, and the wettest year was 1981 with 1000 mm.
FAQ
Is September a good time to visit Mytilene?
Can you sunbathe in Mytilene in September?
Is Mytilene rainy in September?
Is it sunny in Mytilene in September?
Other cities in Greece
Monthly weather in Mytilene
Source of the data
For this page, we’ve looked at the typical weather in Mytilene, 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.