September Weather in Fira, Greece

Last updated: January 24, 2025

Experience the delightful September weather in Fira, where the charm of the early autumn unfolds. With a maximum temperature reaching a comfortable 27°C (82°F) and an average of 24°C (75°F), it’s the perfect time to explore the scenic beauty of the area. Evenings cool down to a pleasant minimum of 20°C (68°F), inviting you to enjoy outdoor dining and stunning sunsets. Notably, September boasts an almost precipitation-free month with just 2 mm (0.1 in) of rain and 0 rainy days, ensuring clear skies for travelers. With humidity levels hovering around 70%, the atmosphere remains refreshing, making it an ideal month for both relaxation and adventure under the Aegean sun.

September Temperature in Fira

In September, Fira, Greece, invites visitors to experience warm and pleasant weather, making it a perfect time for exploration. With minimum temperatures around 20°C (68°F) and average highs reaching 27°C (82°F), the island enjoys a delightful climate that is still reminiscent of summer. As the peak tourist season begins to wind down, travelers can relish in comfortable evenings and sunny days, ideal for wandering through its charming streets or lounging by the sea. This month marks a transition, gradually cooling off from the intense summer heat, yet keeping the warmth that enhances the beauty of this breathtaking destination. The increasing average temperature of 24°C (75°F) further emphasizes September's inviting atmosphere, blending the vibrancy of summer with the serene tones of early autumn.

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

The chart illustrates September temperature patterns in Fira, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec565758616673777775706560
Data source: Temperature data for Fira generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Fira

September marks the tail end of summer in Fira, Greece, and its precipitation reflects this seasonal shift. With just 2 mm (0.1 inches) of rain, rainfall is minimal, mirroring August's nearly dry spell, where only a single millimeter was recorded. Notably, September boasts zero precipitation days, indicating a continuation of the sun-drenched, dry conditions that characterize the region during peak summer months. As the island transitions into autumn, slightly increased rainfall can be expected in October, but for now, visitors can enjoy the lingering warmth and clear skies typical of early fall on this stunning Aegean island.

September Precipitation Trends in Fira

The chart displays monthly precipitation patterns in Fira, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7658441743012144172
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Fira

As summer wanes and September unfolds in Fira, Greece, the humidity begins to stabilize at a comfortable 70%. This marks a slight uptick from the drier months of July and August, which saw levels dip to 71% and 66%, respectively. Interestingly, September's humidity aligns more closely with the earlier months of the year, where figures hover around 76-81%. This transition reflects the shift from the sweltering summer heat to the more temperate autumn climate, making September a pleasant time to explore the stunning landscapes of this enchanting island. Overall, the trend showcases a gradual decrease in humidity from the spring peak in May, leading to a refreshing reprieve as temperatures begin to cool.

September Average Humidity in Fira

This chart illustrates the average monthly humidity levels in Fira, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%77%77%81%77%72%66%70%76%77%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Fira

In September, Fira, Greece experiences a UV Index of 8, categorized as very high, and a burn time of just 15 minutes. This marks a slight decline from the peak UV levels of 10 seen during the summer months but still calls for caution. As the summer fades, visitors should remain vigilant, applying sunscreen and seeking shade to protect themselves from potential skin damage. The transition from the scorching summer to early autumn showcases a downward trend in UV exposure, yet it's essential to stay prepared. For more details on UV index trends, check out Fira UV Index.

Maximum UV Index Levels in Fira for September

The chart shows the monthly maximum UV Index (UVI) for Fira 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.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108743
Data source: Fira 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 Fira

As summer's warmth gently lingers into September, Fira, Greece, basks in 350 hours of glorious sunshine, marking a delightful transition from the peak summer months. This sun-soaked month retains a generous share of daylight when compared to the earlier part of the year. Following the sunniest July and the slightly softer days of August, September showcases a beautiful balance between vibrant summer energy and the peaceful onset of autumn. With daylight hours gradually decreasing, this period invites visitors to enjoy the lingering warmth, vibrant sunsets, and the enchanting scenery that this iconic island offers, all under the soft glow of the Mediterranean sun.

Monthly Sunshine Duration in Fira: September Highlighted

The September sunshine duration represents the total number of hours Fira 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.
JanFebMarAprMayJunJulAugSepOctNovDec218h272h336h354h401h412h424h397h350h325h277h267h
Data source: Fira September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Fira During September

In Fira, Greece, September enjoys a remarkable 95% chance of sunny weather, making it one of the most splendid months for sun-seekers. This peak follows the blazing summer, where July and August bring an astounding 99% and 100% chance, respectively, of sunny days. Interestingly, as the year transitions into autumn, the likelihood of sunshine remains high, with September retaining a close affinity to its summer predecessors. With such promising weather, it's an ideal time to explore the stunning sights of Santorini while basking in the warm Mediterranean sun, before the dip in probabilities as the cooler months approach.

Percentage of Sunny Days in September in Fira

The chart illustrates the percentage of sunny days in Fira 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 Fira experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%63%65%57%78%93%99%100%95%75%48%51%
Data source: Fira September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Fira in September

As summer begins to transition into autumn, September in Fira, Greece, sees a gentle decrease in daylight, offering about 12 hours of sunlight. This marks a subtle shift from the peak of summer, where daylight stretched to a vibrant 14 hours in June, July, and August. The rhythm of the seasons is evident as the days gradually shorten, creating a more mellow atmosphere perfect for exploring the island's stunning landscapes. This reduction in daylight, while noticeable, is still more abundant than in the winter months, making September an ideal time for visitors who wish to enjoy the lingering warmth and captivating views of Fira before the days shorten even further in October.

Average Daylight Hours in Fira for September

The chart illustrates the variation in daylight duration in Fira throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec598h650h718h788h846h875h860h808h742h673h612h582h
Data source: Fira daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Fira

As September unfolds in Fira, Greece, the average wind speed reaches a brisk 8.1 m/s (18 mph), just slightly stronger than the previous month. This notable uptick after a summer of relatively milder winds signals the transition into the autumn season. Notably, September stands out with its lively breezes, following July's higher winds yet contrasting with the gentler gusts of May and June. With the winds picking up, Fira offers a refreshing atmosphere for visitors, making it an ideal time to explore the stunning caldera views while enjoying the invigorating breeze that dances through the air. This seasonal shift not only enhances the island's scenic beauty but also invites outdoor adventures against the backdrop of stunning sunsets.

Average September Wind Speed in Fira

The chart displays monthly wind speed patterns in Fira, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.77.68.47.05.75.48.07.58.1 m/s7.06.78.0
Data source: Fira September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Fira Compares to Other Months

The weather in Fira changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Fira and find detailed weather information for every month.

September offers a warm and pleasant climate, with average temperatures ranging from a minimum of 20°C (68°F) to a max of 27°C (82°F), accompanied by minimal precipitation at just 2 mm (0.1 in) over no rain days and a relative humidity of 70%. In stark contrast, January experiences significantly cooler conditions, with temperatures dipping to a minimum of 5°C (40°F) and averaging 13°C (56°F), reaching a maximum of 20°C (68°F). This month also sees increased rainfall, totaling 76 mm (3.0 in) spread over 11 days, coupled with a slightly higher humidity level of 77%. For more specific information on January weather, you can check Fira weather in January.

September and February present strikingly different weather patterns. In September, temperatures range from a comfortable minimum of 20°C (68°F) to a pleasant average of 24°C (75°F), peaking at 27°C (82°F) without any recorded precipitation. The humidity sits at a moderate 70%, contributing to the overall warmth and dryness of the month. In contrast, February experiences much cooler conditions with minimum temperatures dropping to 7°C (44°F) and an average of only 14°C (58°F). The maximum temperature reaches 19°C (66°F), but this month is characterized by higher precipitation of 58 mm (2.3 in) over about eight days, along with increased humidity at 76%. For a closer look at what February has to offer, check Fira weather in February.

In September, the weather is warm and inviting, with average temperatures hovering around 24°C (75°F) and maximum highs reaching 27°C (82°F). The month sees very little precipitation, with just 2 mm recorded over the entire month, resulting in plenty of dry days and a comfortable humidity level of 70%. In contrast, March brings a noticeable chill, with average temperatures dipping to 14°C (58°F) and highs of only 18°C (65°F). This month experiences significantly more rainfall, averaging 44 mm spread over 6 days, and a humidity level of 77%, creating a cooler and wetter atmosphere. For more details about the weather in March, you can check out Fira weather in March.

In September, the weather is pleasantly warm with temperatures averaging around 24°C (75°F), reaching highs of 27°C (82°F) and enjoying minimal precipitation—only 2 mm over the month. This creates a dry and comfortable atmosphere with humidity levels at 70%. In contrast, April experiences cooler temperatures, with averages of just 16°C (61°F) and maximums of 20°C (69°F). Additionally, April sees more precipitation, totaling 17 mm over about 2 days, and a slightly higher humidity of 77%. For more insights about the weather during this spring month, check out Fira weather in April.

In comparing the weather between September and May, we see distinct differences. September offers a warmer climate, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 27°C (82°F), and an average of 24°C (75°F). In contrast, May has milder temperatures, with a minimum of 15°C (60°F) and a maximum of 24°C (75°F), resulting in an average of 19°C (67°F). Additionally, while September experiences very little precipitation (only 2 mm), May has slightly higher rainfall at 4 mm, although both months record no rainy days. Humidity levels are also higher in May at 81%, compared to 70% in September, making the latter feel more comfortable. For more detailed information about May weather in specific regions, check out Fira weather in May.

In comparing the weather of September and June, both months experience similar maximum temperatures, reaching up to 27°C (82°F). However, September boasts slightly higher average temperatures, with a minimum of 20°C (68°F) compared to June's minimum of 18°C (65°F). Additionally, September has a lower humidity level at 70% versus June's 77%, which can make the warmth feel more comfortable. Notably, both months experience minimal precipitation, with only 2 mm in September and 3 mm in June, and a total of 0 rainy days in each month. For a more detailed look at June weather patterns, you can check out Fira weather in June.

In comparing the weather of September and July, we see some similarities and slight variations. September experiences a minimum temperature of 20°C (68°F) and an average of 24°C (75°F), while July's minimum is slightly higher at 22°C (72°F) with an average of 25°C (77°F). Both months have minimal precipitation, with September recording 2 mm (0.1 in) over zero days and July remaining completely dry at 0 mm (0.0 in). Humidity levels are quite comparable, with September at 70% and July just a notch higher at 71%. Overall, both months offer warm, pleasant weather, making them great for outdoor activities. For more detailed climatic information, check out Fira weather in July.

In comparing the weather between August and September, September offers slightly cooler temperatures overall, with a minimum of 20°C (68°F) and a maximum of 27°C (82°F), while August boasts a warmer minimum of 22°C (73°F) and a maximum of 30°C (86°F). Both months experience very low precipitation, with September receiving a mere 2 mm (0.1 in) and August just 1 mm (0.0 in), indicating dry conditions throughout. Humidity levels are a bit higher in September at 70%, compared to 66% in August, contributing to a slightly more sultry feel as summer transitions into autumn. For a detailed look at August weather, check out Fira weather in August.

In September, the weather tends to be warm and dry, with average temperatures around 24°C (75°F) and highs reaching up to 27°C (82°F). The month boasts very little precipitation, making it ideal for outdoor activities, with humidity levels hovering around 70%. In contrast, October sees a slight drop in temperatures, with an average of 21°C (70°F) and a maximum of 26°C (79°F). Additionally, October experiences more rainfall, totaling 14 mm over about 2 days, and humidity increases to 76%. For those looking for detailed insights, check out Fira weather in October.

In September, the weather is warm and pleasant, with average temperatures around 24°C (75°F), minimal rainfall, and a humidity level of 70%. This makes September an ideal time for outdoor activities with sunny skies and low precipitation days. In contrast, November brings cooler temperatures, with averages dropping to 18°C (65°F) and an increase in humidity to 77%. Additionally, November experiences more rainfall, totaling 41 mm (1.6 in) over five days, making the month significantly wetter compared to September. For more detailed insights, you can check Fira weather in November.

September weather is typically warm and pleasant, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 27°C (82°F), averaging around 24°C (75°F). The month experiences very little rainfall, with only 2 mm recorded over no rainy days, and maintains a comfortable humidity level of 70%. In contrast, December brings a much cooler climate, with temperatures dropping to a minimum of 10°C (50°F) and peaking at around 20°C (68°F), resulting in an average of 15°C (60°F). This month sees a significant increase in precipitation, totaling 72 mm over 12 days, accompanied by higher humidity levels of 78%. For more detailed information, you can check Fira weather in December.

Compare Fira's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Fira

As summer gracefully transitions into fall, September in Fira unveils a delightful weather experience characterized by warm temperatures and near-total dryness. With average highs around 24°C (75°F), the days are pleasantly warm, making it a perfect time to explore the island. Unlike the sweltering peak summer months, September boasts significantly less humidity, providing a more comfortable atmosphere for visitors. The absence of rainfall during this time complements the remarkable clear skies and sunny days, allowing you to fully immerse yourself in Fira's stunning landscapes. For a more in-depth look at the weather patterns throughout the year, visit Fira Climate.