September Weather in Gaios, Greece

Last updated: August 21, 2025

September in Gaios, Greece offers a delightful blend of warm temperatures and mild weather, making it an ideal time for exploration. With a maximum temperature reaching 28°C (83°F) and an average of 24°C (75°F), visitors can bask in the sun while enjoying the scenic beauty of this charming town. The nights cool down to a pleasant 17°C (62°F), perfect for evening strolls. Although 51 mm (2.0 in) of rain may grace the region over approximately 4 days, the overall humidity remains moderate at 56%, ensuring a comfortable experience. Whether you're lounging by the coast or discovering local culture, September is a captivating month in Gaios.

September Temperature in Gaios

As September rolls into Gaios, Greece, the warmth of summer lingers, presenting delightful temperatures that beckon visitors to enjoy the picturesque surroundings. With minimums averaging 17°C (62°F) and maximums reaching 28°C (83°F), this month strikes a perfect balance between the heat of August and the cooler days ahead. The average temperature of 24°C (75°F) creates an inviting atmosphere for leisurely strolls along the harbor or relaxing on the sun-kissed beaches. As daylight begins to fade, the evenings remain pleasantly warm, making it an excellent time for outdoor dining under the stars. Overall, September offers a charming prelude to autumn, ideal for those seeking both adventure and relaxation in this enchanting Greek island setting.

September Weather in Gaios: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Gaios, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gaios, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec515455596572767974676255
Data source: Temperature data for Gaios generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Gaios

September in Gaios, Greece, sees a noticeable transition in weather as summer wanes, delivering 51 mm (2.0 in) of rainfall over 4 days. This marks a significant uptick compared to the drier summer months, with precipitation beginning to build as the region approaches autumn. Unlike the arid July and August, which recorded a mere 8 mm (0.3 in) and 12 mm (0.5 in) respectively, September's rain hints at the return of the wet season. With October poised to follow closely with 127 mm (5.0 in), the shift in September suggests that Gaios is preparing for the more abundant rains characteristic of the fall, while still enjoying the remnants of sunny days perfect for enjoying its picturesque landscapes.

September Precipitation Trends in Gaios

The chart displays monthly precipitation patterns in Gaios, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Gaios, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1541379448382481251127266260
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gaios

In September, Gaios, Greece, experiences a notable transition in humidity levels, maintaining a relatively comfortable 56%. This marks a slight increase from the summer months, where August enjoys the driest conditions at 47%. As the region shifts from the heat of summer to the cooler autumn, humidity begins to rise again, hinting at the upcoming wetter months. Interestingly, September serves as a bridge between the low humidity characteristic of mid-summer and the wetter autumn months, where levels soar back to 80% in November. Generally, Gaios showcases a clear seasonal trend, with humidity peaking in winter and exhibiting a steady decline into the summer, only to rise again as fall approaches.

September Average Humidity in Gaios

This chart illustrates the average monthly humidity levels in Gaios, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Gaios is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%76%70%72%60%56%47%56%70%80%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gaios

In September, Gaios, Greece experiences a very high UV Index of 8, emphasizing the importance of sun protection during this time. As summer begins to wane, the UV levels slightly decline from the peak months of June to August, where they consistently reached 10. Despite this reduction, with a burn time of just 15 minutes, caution is still advised. The trend of high UV exposure persists as the days remain long and sunlit, making it essential for visitors and locals alike to remain vigilant against sunburn. For a detailed overview of the UV Index throughout the year, you can check Gaios UV Index.

Maximum UV Index Levels in Gaios for September

The chart shows the monthly maximum UV Index (UVI) for Gaios in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Gaios typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891010108642
Data source: Gaios September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Gaios

September in Gaios, Greece, welcomes a gentle decline in sunlight, boasting 345 hours of bright, golden rays. This month marks a transition from the vibrant peak of summer, where July dazzles with a remarkable 425 hours, to the softer, more mellow days of autumn. As the warmth of August fades, September still offers a generous amount of sunshine, allowing visitors to enjoy lingering beach days and serene sunsets. With sunlight gradually reducing towards October's 310 hours, September stands out as a perfect time to relish the beauty of Gaios, capturing the essence of late summer while hinting at the cooler days ahead.

Monthly Sunshine Duration in Gaios: September Highlighted

The September sunshine duration represents the total number of hours Gaios experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec203h255h328h348h401h407h425h396h345h310h261h244h
Data source: Gaios September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Gaios During September

In Gaios, Greece, September boasts a 65% chance of sunny weather, marking a delightful transition from the summer's peak. As the vibrant heat of July and August begins to wane—when the sun shines a remarkable 95% and 91% of the time respectively—September offers a more tempered, yet still idyllic, environment for visitors. This month maintains a commendable level of sunshine, providing a perfect backdrop for exploring the picturesque landscapes and charming streets of Gaios. As autumn approaches, sunshine levels dip slightly, yet September still emerges as a favored choice for those seeking warm days and clear skies before the cooler months set in.

Percentage of Sunny Days in September in Gaios

The chart illustrates the percentage of sunny days in Gaios throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Gaios experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%59%59%54%63%81%95%91%66%51%33%53%
Data source: Gaios September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Gaios in September

As summer gracefully transitions into autumn in Gaios, Greece, September ushers in a notable shift in daylight duration. With an average of 12 hours of daylight, this month reflects a gentle decline from the peak summer months, where daylight reaches up to 14 hours in July and August. This gradual decrease continues into October, where daylight reduces further to 11 hours. September stands out as a sweet spot, offering still ample sunlight that allows for extended outdoor activities while subtly hinting at the upcoming seasonal changes. The trend clearly illustrates a natural rhythm of light in Gaios, where each month seamlessly transitions, making it a fascinating destination nearly year-round.

Average Daylight Hours in Gaios for September

The chart illustrates the variation in daylight duration in Gaios throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 44m10h 42m11h 57m13h 15m14h 20m14h 52m14h 35m13h 38m12h 24m11h 7m10h9h 26m
Data source: Gaios daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Gaios

As summer gives way to autumn, September in Gaios, Greece offers a gentle average wind speed of 3.3 m/s (7 mph), making it one of the calmest months of the year. This slight decrease from the breezier summer months hints at the transitioning seasons, moving away from the lively gusts of July and August. Interestingly, wind speeds start to pick up again in October and continue to rise into the cooler months, suggesting a refreshing shift on the horizon. Overall, September is characterized by a soothing, mellow breeze that invites leisurely afternoons by the sea or tranquil strolls through picturesque streets, providing a perfect backdrop for enjoying Gaios's late summer charm before the winds of autumn set in.

Average September Wind Speed in Gaios

The chart displays monthly wind speed patterns in Gaios, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.44.44.14.23.93.33.53.43.3 m/s4.15.34.9
Data source: Gaios September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Gaios Compares to Other Months

Weather in Gaios varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Gaios, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January present stark contrasts in weather conditions. In September, temperatures are warm, with a minimum of 17°C (62°F) and an average high of 28°C (83°F), accompanied by relatively low precipitation of 51 mm (2.0 in) over just four days. The humidity levels are moderate at 56%, contributing to a pleasant atmosphere. In contrast, January experiences much cooler temperatures, with a minimum of 0°C (33°F) and an average high of only 18°C (66°F). Precipitation rises significantly to 154 mm (6.1 in) over 12 days, and humidity levels are higher at 84%, creating a distinctly damp and chilly environment. For more details on the January weather, you can visit Gaios weather in January.

September and February present contrasting weather experiences. In September, temperatures range from a mild 17°C (62°F) at night to a warm 28°C (83°F) during the day, accompanied by relatively low precipitation of 51 mm (2.0 in) spread over about four days. With an average humidity of 56%, September offers a comfortable climate ideal for outdoor activities.

In stark contrast, February sees much cooler temperatures, with lows dropping to 2°C (36°F) and highs only reaching 17°C (64°F). This month is significantly wetter, featuring 136 mm (5.4 in) of precipitation over about ten days, and the humidity increases to 78%, creating a much more damp and chilly atmosphere. For more details on February's weather, you can visit Gaios weather in February.

In comparing the weather conditions of September and March, September typically enjoys warmer temperatures, with a minimum of 17°C (62°F) and an average of 24°C (75°F), peaking at 28°C (83°F). The month experiences relatively low precipitation, averaging just 51 mm (2.0 in) over about 4 days, accompanied by a moderate humidity level of 56%. In contrast, March is much cooler, featuring a minimum temperature of 5°C (41°F) and an average of 13°C (55°F), with a maximum of 18°C (64°F). Rainfall is more abundant in March, totaling 94 mm (3.7 in) over 10 days, and humidity is notably higher at 75%. For more detailed information about March weather, you can visit Gaios weather in March.

When comparing the weather in September and April, it's evident that September is generally warmer. With minimum temperatures around 17°C (62°F) and averages reaching up to 24°C (75°F), September offers a more summery feel compared to April's cooler minimum of 8°C (46°F) and average of 15°C (59°F). Both months see similar levels of precipitation, with September recording 51 mm (2.0 in) over 4 days, while April has slightly less at 48 mm (1.9 in) spread over 6 days. Additionally, September's humidity is lower at 56%, making it feel less muggy compared to April's higher humidity at 70%. For more details on April weather, you can visit Gaios weather in April.

September typically offers warmer temperatures compared to May, with nightly lows around 17°C (62°F) and daytime highs reaching 28°C (83°F) on average. In contrast, May experiences cooler temperatures, with minimums of 12°C (54°F) and maximums of 25°C (78°F). While September has a lower precipitation level of 51 mm (2.0 in) over just 4 days, May sees more rainfall at 38 mm (1.5 in) spread across 7 days. Additionally, humidity is higher in May at 72%, compared to September's 56%, creating a more comfortable atmosphere in September. For a closer look at the conditions, you can check Gaios weather in May.

September and June showcase distinct yet mild weather patterns. In September, temperatures range from a minimum of 17°C (62°F) to a maximum of 28°C (83°F), with an average of 24°C (75°F). This month experiences slightly more precipitation at 51 mm (2.0 in) over 4 days, and average humidity sits at 56%. In contrast, June features slightly cooler temperatures, with a minimum of 15°C (60°F) and a maximum of 29°C (85°F), averaging 22°C (72°F). Precipitation is lower in June, totaling 24 mm (0.9 in) over just 2 days, accompanied by a slightly higher humidity level of 60%. For more specific details, you can refer to Gaios weather in June.

In comparing the weather between September and July, September tends to be slightly cooler with average temperatures ranging from a minimum of 17°C (62°F) to a maximum of 28°C (83°F), while July maintains warmer conditions with minimum temperatures at 20°C (68°F) and a maximum of 29°C (85°F). Additionally, September experiences more precipitation, averaging 51 mm (2.0 in) over about 4 days, compared to the much drier July, which sees only 8 mm (0.3 in) of rain over just 1 day. Despite these differences, both months share the same humidity level of 56%, making them comfortable yet distinct in their overall weather patterns. For more detailed information about July weather, you can refer to Gaios weather in July.

In comparing the weather between August and September, September tends to be slightly cooler, with average temperatures ranging from a minimum of 17°C (62°F) to a maximum of 28°C (83°F), while August experiences warmer conditions with temperatures from a minimum of 21°C (71°F) to a maximum of 31°C (88°F). Additionally, September sees increased precipitation with 51 mm (2.0 in) over 4 days, compared to just 12 mm (0.5 in) over 2 days in August, resulting in a wetter month. Humidity levels are also higher in September at 56%, compared to 47% in August, making it feel more humid as summer transitions into fall. For more detailed information on the weather during this period, you can visit Gaios weather in August.

In comparing the weather between September and October, it’s evident that October experiences cooler temperatures and increased rainfall. September boasts a warmer average temperature of 24°C (75°F) with maximums reaching up to 28°C (83°F), while October sees an average drop to 20°C (68°F) and maximums of 26°C (79°F). Additionally, October is notably wetter, with 127 mm (5.0 in) of precipitation spread over 8 days compared to September's 51 mm (2.0 in) over just 4 days. Humidity also rises in October to 70%, making it feel a bit more humid than the 56% average in September. For more detailed weather information, you can check Gaios weather in October.

September and November present a notable contrast in weather conditions. In September, the average temperature hovers around 24°C (75°F), with maximums reaching up to 28°C (83°F) and minimums rarely dropping below 17°C (62°F). The month experiences relatively low precipitation, totaling 51 mm (2.0 in) over just 4 days, and humidity levels are moderate at 56%. In contrast, November brings a significant drop in temperatures, with averages of 17°C (62°F) and maximums around 23°C (73°F). The month is much wetter, receiving 266 mm (10.5 in) of rainfall spread over 14 days, and humidity levels increase to 80%. For a closer look at what to expect, you can visit Gaios weather in November.

September and December present contrasting weather conditions. In September, temperatures range from a mild 17°C (62°F) to a warm 28°C (83°F), with an average of 24°C (75°F) and relatively low precipitation of 51 mm (2.0 in) occurring over just 4 days, accompanied by moderate humidity at 56%. In contrast, December sees a significant drop in temperatures, with a minimum of 6°C (43°F) and a maximum of just 19°C (66°F), yielding an average of 13°C (56°F). Moreover, December is notably wetter, with 260 mm (10.2 in) of rain spread over 16 days and high humidity levels reaching 83%. For more insights on winter weather, check out Gaios weather in December.

Compare Gaios's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Gaios

As summer gradually transitions into autumn, September in Gaios offers a delightful shift in weather that appeals to many visitors. With warm temperatures averaging around 24°C (75°F), the days are still pleasantly sunny, yet cool evenings provide a refreshing contrast. The month tends to be drier compared to the hustle of peak summer months, with only a few days of light rainfall that contribute to a comfortable humidity level of 56%. This balance makes September an ideal time for those looking to enjoy milder conditions while soaking in the beauty of the Ionian Islands. For more insights into the climate here, check out Gaios Climate.