September Weather in Assos, Greece

Last updated: August 21, 2025

September in Assos, Greece offers a delightful blend of warm temperatures and moderate humidity, making it a perfect time for visitors to explore this scenic village. With a maximum temperature peaking at 31°C (89°F) and an average of 23°C (74°F), the climate is conducive for outdoor activities. Nighttime cools down to a refreshing minimum of 14°C (57°F), ideal for evening strolls. While the month sees about 49 mm (1.9 in) of rainfall over just 3 days, the overall ambiance remains sunny and inviting. With humidity around 65%, September provides a pleasant escape in one of Greece's hidden gems.

September Temperature in Assos

September in Assos, Greece, marks a delightful transition into early autumn, characterized by warm yet comfortably inviting temperatures. With a minimum of 14°C (57°F) and an average around 23°C (74°F), visitors can relish the lingering summer warmth. The days peak at a pleasant 31°C (89°F), making it perfect for exploring the picturesque coastal scenery or enjoying leisurely evenings outdoors. As the month progresses, temperatures gradually hint at the cooler days ahead, yet the balmy weather remains a highlight, offering a great opportunity to experience the idyllic charm of this Greek gem before the autumnal chill sets in.

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

The chart illustrates September temperature patterns in Assos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Assos, 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).
JanFebMarAprMayJunJulAugSepOctNovDec475052576573797973655852
Data source: Temperature data for Assos 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 Assos

September marks a notable transition in Assos, Greece, as the summer's dry spell gives way to increased precipitation. With 49 mm (1.9 in) of rainfall spread over three days, this month sees a rise from the nearly rainless days of July and August, which recorded a mere 10 mm and 6 mm respectively. This pattern not only highlights September as a pivotal month but also sets the stage for the wetter autumn ahead, where the rainfall climbs significantly again in October (67 mm) and November (75 mm). As the landscapes transform under these early autumn showers, September becomes a time of renewal, preparing Assos for the vibrant change of the season.

September Precipitation Trends in Assos

The chart displays monthly precipitation patterns in Assos, 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 Assos, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec78726546233310649677580
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Assos

As summer transitions to autumn, September in Assos, Greece, experiences a slight uptick in humidity, averaging around 65%. This modest increase follows a trend of gradually decreasing humidity from August's low of 63%, which is the year’s driest month. Interestingly, the humidity levels begin to climb again as the year progresses, reaching 72% by October. This shift enriches the coastal atmosphere, offering a refreshing change while still benefiting from the warmer remnants of summer. Overall, September serves as a gentle bridge between the dry vibrancy of summer and the wetter months to come, enveloping the charming village in a crisp yet inviting ambiance.

September Average Humidity in Assos

This chart illustrates the average monthly humidity levels in Assos, 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 Assos is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%74%75%77%72%68%63%65%72%75%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Assos

In September, Assos, Greece experiences a UV Index of 8, classified as very high, with a burn time of just 15 minutes. This month marks a slight decrease from the peak summer months of July and August, where the UV Index remained at 10, but it still demands attention to sun protection. As the days gradually shorten, September continues to showcase strong sun exposure, reflecting the overall trend of the region's UV levels from earlier months. For anyone reveling in the beautiful landscapes of Assos, it's essential to stay vigilant about sun safety, especially as late summer hues linger in the air. For more information on managing sun exposure, check out Assos UV Index.

Maximum UV Index Levels in Assos for September

The chart shows the monthly maximum UV Index (UVI) for Assos 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 Assos typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3568101110108743
Data source: Assos 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 Assos

In September, Assos, Greece, basks in a delightful 341 hours of sunshine, making it a splendid time for visitors to enjoy the stunning coastal views and vibrant landscapes. This month continues the glorious trend of summer, following July's peak of 419 hours, and easing into the calmer days of autumn. Although sunshine hours begin to taper off compared to the sun-soaked months of June and July, September still offers a wonderful balance of warm weather and moderate crowds, providing an ideal backdrop for exploration and relaxation. As the days grow shorter, October's 302 hours herald the subtle transition into fall, but the lingering warmth of September ensures that adventures in this picturesque village remain vibrant and inviting.

Monthly Sunshine Duration in Assos: September Highlighted

The September sunshine duration represents the total number of hours Assos 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.
JanFebMarAprMayJunJulAugSepOctNovDec198h245h322h341h396h405h419h394h341h302h247h238h
Data source: Assos September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Assos During September

As September rolls into Assos, Greece, the chances of enjoying sunny weather remain promising, with a 73% likelihood of sunshine. This figure reflects a slight dip from the summer months of July and August, where the probabilities soar to 91% and 92% respectively. However, September still stands out as an ideal time to bask in the warm glow of the Mediterranean sun, outpacing the colder months that follow. Compared to the earlier months of the year, September's sunshine likelihood significantly improves from the 43% chance seen in January, marking a transition into a season that balances pleasant warmth with fewer crowds. Whether you're exploring the charming streets or lounging by the crystal-clear waters, September in Assos promises a delightful escape with ample sun!

Percentage of Sunny Days in September in Assos

The chart illustrates the percentage of sunny days in Assos 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 Assos experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec43%63%52%57%71%72%91%92%73%44%35%49%
Data source: Assos September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Assos in September

As September arrives in Assos, Greece, daylight begins to wane after the long, sun-soaked summer months, providing approximately 12 hours of light each day. This marks a slight decline from August's 13 hours, signaling the transition towards autumn. The trend of gradually shortening days continues from the peak summer months of June through August, where daylight reached a maximum of 14 hours. Following September, daylight drops further to 11 hours in October, reflecting nature’s rhythmic shift as it prepares for the cooler months ahead. This gradual progression showcases the beautiful balance between lengthening and shortening days, allowing visitors and locals alike to savor the alluring charm of Assos under its resplendent skies.

Average Daylight Hours in Assos for September

The chart illustrates the variation in daylight duration in Assos throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 51m10h 46m11h 58m13h 11m14h 13m14h 44m14h 28m13h 33m12h 23m11h 10m10h 6m9h 33m
Data source: Assos daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Assos

As September arrives in Assos, Greece, the gentle caress of the sea breeze brings an average wind speed of 2.7 m/s (6 mph), echoing the final whispers of summer. This marks a slight uptick from the quieter June days, where winds slowed to 2.0 m/s (4 mph). Throughout the summer months, the winds maintain a steady rhythm, hovering around 2.5 to 2.6 m/s (6 mph), creating a perfect backdrop for sun-soaked adventures. As autumn approaches with October showcasing a mild increase to 3.0 m/s (7 mph), the evolving winds signal the transition from the warmth of summer to the cooler embrace of fall, inviting both locals and tourists to relish the captivating beauty of Assos.

Average September Wind Speed in Assos

The chart displays monthly wind speed patterns in Assos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.92.62.82.52.72.02.52.62.7 m/s3.02.53.2
Data source: Assos September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Assos Compares to Other Months

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

September and January present stark contrasts in weather. In September, temperatures range from a mild 14°C (57°F) at night to a warm 31°C (89°F) during the day, accompanied by an average humidity of 65%. Precipitation is relatively low, with an average of 49 mm (1.9 in) over just three days. In contrast, January experiences much cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 20°C (69°F), and higher humidity at 76%. Rainfall is more frequent, averaging 78 mm (3.1 in) spread over 12 days. For more detailed information about weather conditions in this month, check out Assos weather in January.

When comparing the weather in September and February, notable differences emerge. September boasts warmer temperatures, ranging from a minimum of 14°C (57°F) to a maximum of 31°C (89°F), with an average of 23°C (74°F). Additionally, it experiences relatively low rainfall of 49 mm (1.9 in) over just three days, along with a humidity level of 65%. In contrast, February brings cooler conditions, with temperatures ranging from a chilly 1°C (35°F) at night to a pleasant 19°C (66°F) during the day, averaging only 10°C (50°F). This month sees a higher precipitation rate of 72 mm (2.8 in) over ten days, coupled with increased humidity at 75%. For more details, check out Assos weather in February.

September weather tends to be warm and inviting, with temperatures ranging from a mild 14°C (57°F) at night to a high of 31°C (89°F) during the day, creating an average of 23°C (74°F). The month experiences relatively low precipitation, with about 49 mm (1.9 in) falling over three days and a humidity level of 65%. In contrast, March brings a significant drop in temperatures, where the minimum is a chilly 1°C (34°F) and the maximum reaches 20°C (69°F), producing a much cooler average of 11°C (52°F). March also experiences more rainfall, totaling 65 mm (2.6 in) across eight days, and has a slightly higher humidity at 74%. To explore more about March weather, you can visit Assos weather in March.

In comparing the weather between September and April, we see notable differences in temperature and humidity. September enjoys warmer temperatures, with an average of 23°C (74°F) and a maximum of 31°C (89°F), making it a pleasant month for outdoor activities. In contrast, April is cooler, with an average of 14°C (57°F) and a peak of 24°C (75°F), perfect for enjoying the mild spring atmosphere. Precipitation levels are similar, with September receiving 49 mm (1.9 in) over 3 days, while April sees slightly less at 46 mm (1.8 in) but over a longer span of 6 days. Additionally, April has higher humidity at 75%, compared to September's 65%. For more detailed information on April weather, you can visit Assos weather in April.

When comparing the weather of September and May, September typically offers warmer temperatures, with averages reaching up to 23°C (74°F) and maximums hitting 31°C (89°F), while May presents a cooler average of 19°C (66°F) and a potential maximum of 34°C (93°F). September experiences slightly more moderate humidity at 65%, compared to May's higher level of 77%. Furthermore, precipitation is generally higher in September, with 49 mm (1.9 in) over three days, in contrast to May's lighter 23 mm (0.9 in) over four days. For a more detailed look at May weather, you can visit Assos weather in May.

In comparing the weather of September and June, we see some notable similarities and differences. Both months feature a minimum temperature of 14°C (57°F) and average highs around 23°C (73-74°F). However, June tends to be slightly warmer, with a maximum temperature of 33°C (91°F) compared to September's 31°C (89°F). Additionally, September experiences a bit more precipitation at 49 mm (1.9 in) over three days, whereas June has a lower total of 33 mm (1.3 in) across four days, though humidity in June (71%) is higher than in September (65%). For a more detailed look at June weather, you can check Assos weather in June.

In July, the weather tends to be warmer with average temperatures reaching up to 26°C (79°F), peaking at a high of 35°C (96°F). However, it experiences minimal rainfall, averaging only 10 mm (0.4 in) over just one day. The humidity is relatively high at 68%, making the heat feel more intense. In contrast, September brings slightly cooler temperatures, with averages around 23°C (74°F) and a maximum of 31°C (89°F). While it does receive more precipitation at 49 mm (1.9 in) over three days, the humidity drops to 65%, contributing to a more comfortable feel in the early fall. For more details on July's weather, check out Assos weather in July.

In comparing the weather between August and September, we observe a significant decrease in temperatures as the summer season transitions into fall. August boasts a higher minimum temperature of 20°C (69°F) and an average of 26°C (79°F), peaking at a scorching 35°C (95°F), with only 6 mm (0.2 in) of precipitation occurring over just one day. In contrast, September experiences cooler minimums at 14°C (57°F) and an average of 23°C (74°F), reaching a maximum of 31°C (89°F). Although September brings slightly more rainfall, with 49 mm (1.9 in) over three days and a humidity level of 65%, it remains a more comfortable month overall. For more details on August weather, visit Assos weather in August.

September's weather is characterized by warmer temperatures, with minimums around 14°C (57°F) and average highs reaching 31°C (89°F), while October sees a slight drop, with minimums of 12°C (53°F) and average highs peaking at 30°C (85°F). Despite the similar maximum temperatures, October experiences a more significant decrease in average temperature to 18°C (65°F), reflecting the transition to autumn. Additionally, October tends to be wetter, receiving 67 mm (2.6 in) of precipitation over six days compared to September's 49 mm (1.9 in) over just three days. The humidity also rises in October to 72%, compared to 65% in September, making the air feel more saturated as fall progresses. For more detailed information, visit Assos weather in October.

In September, the weather is typically warmer, with average temperatures soaring to around 23°C (74°F) and highs reaching up to 31°C (89°F). There is moderate rainfall, with about 49 mm (1.9 in) over just 3 days, and a humidity level of 65%. In contrast, November sees a significant drop in temperatures, averaging at 14°C (58°F) with maximums around 22°C (73°F) and minimums dipping to 7°C (46°F). The month is wetter, with 75 mm (2.9 in) of precipitation spread over 11 days, and humidity increases to 75%. For a more detailed look at the weather in November, you can refer to Assos weather in November.

In September, the weather is warm and pleasant, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 31°C (89°F) and an average of 23°C (74°F). This month experiences relatively low precipitation at 49 mm (1.9 in) over just 3 days, along with a humidity level of 65%. In contrast, December brings much cooler temperatures, with a minimum of 4°C (39°F), an average of 11°C (52°F), and a maximum of 19°C (66°F). The month sees increased precipitation, totaling 80 mm (3.1 in) across 12 days, coupled with higher humidity at 76%. For a more detailed look at December conditions, check out Assos weather in December.

Compare Assos's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Assos

As summer gracefully transitions into autumn, September in Assos offers a delightful shift in weather that distinguishes it from the hotter summer months. With comfortable average temperatures hovering around 23°C (74°F), the days are warm yet not oppressive, allowing for pleasant outdoor activities. Unlike the height of summer, September enjoys a notable decrease in humidity levels, hovering at around 65%, making the evenings particularly inviting. However, don’t forget your umbrella, as this month brings an average of 49 mm (1.9 in) of rainfall over just a few days, offering a refreshing break from the dry spell of July and August. For more insights into the weather patterns you can expect, explore Assos Climate.