Last updated: August 21, 2025
Experience the charming September weather in Nemea, Greece, where temperatures fluctuate from a minimum of 11°C (52°F) to a maximum of 36°C (98°F), creating a delightful blend for outdoor activities. The average temperature hovers around 23°C (74°F), making it an ideal time to explore the region's rich history and stunning landscapes. Visitors can expect moderate humidity at 65% and a modest precipitation of 56 mm (2.2 in) over just three days, ensuring ample sunshine for sun-seekers and adventurers alike. Enjoy the vibrant atmosphere as summer gradually transitions into autumn, providing the perfect backdrop for an unforgettable getaway.
In September, Nemea, Greece, experiences a delightful transition from summer to autumn, showcasing warm yet pleasant temperatures. The month begins with a minimum of 11°C (52°F) and peaks at a maximum of 36°C (98°F), reflecting a comfortable average of 23°C (74°F). This creates an inviting atmosphere for visitors and locals alike, as the sweltering heat of August gives way to milder evenings. Overall, September strikes a perfect balance, making it an ideal time for exploration and outdoor activities amidst the stunning vineyards and historical ruins of this enchanting region.
September in Nemea, Greece, marks a notable transition in precipitation patterns as the summer heat begins to wane. The month typically sees an average rainfall of 56 mm (2.2 in) across 3 days, offering a refreshing respite compared to the driest months of July and August, which receive only 16 mm (0.6 in) and 9 mm (0.4 in), respectively. As autumn approaches, rainfall gradually increases, not only in quantity but also in consistency, with September's precipitation amount roughly doubling that of August. This trend sets the stage for the early autumn months, where October and November see further increases, with averages of 48 mm (1.9 in) and 58 mm (2.3 in), respectively. Thus, September serves as a vital bridge into the wetter season, revitalizing the landscape and signaling the change in Nemea's climatic rhythm.
As summer gives way to autumn, September in Nemea, Greece, sees a slight uptick in humidity at 65%, a gentle rise from August's 63%. This transition reflects a gradual return to the higher humidity levels characteristic of earlier months, such as May with its 77%. The trend of decreasing humidity from June to August, which reached its annual low of 68% in July, makes way for a more comfortable atmosphere as the days start to cool. Overall, September serves as a middle ground, balancing the drier summer months with the wetter conditions that are typical in the fall, ultimately setting the stage for the lush grape harvest that Nemea is famous for.
As September rolls into Nemea, Greece, the UV Index remains notably high at 8, which classifies it under the very high exposure category. Sun seekers should be cautious, as the recommended burn time is just 15 minutes. Compared to the scorching peaks of summer, where the index reached an extreme 11 in June, September offers a slight reprieve, but not without its own set of risks. The trend of the UV Index shows a gradual decline from the peak of summer, yet it remains essential to keep sun protection in mind. As autumn approaches, it's wise to stay informed about the UV levels; for detailed information, check out the Nemea UV Index.
UV Risk Categories
September in Nemea, Greece, offers a beautiful blend of sunshine and moderate warmth, boasting 343 hours of glorious daylight. As summer fades, this month reflects a gradual decline from the sun-drenched heights of July, which shines with 420 hours. The pleasant transition into autumn is marked by comfortable temperatures and clearer skies, maintaining a charm that many find irresistible. Following the peak summer months, September's sunshine is still abundant, significantly more than what November and December provide. This balance of warmth and light makes September an ideal time to explore Nemea’s vineyards and ancient ruins, capturing the essence of the Mediterranean in a uniquely tranquil setting.
In September, Nemea, Greece, enjoys a promising likelihood of sunny weather, with a 71% chance of basking in the sun. This month marks a transition from the peak summer heat, seen in July and August, which boast impressive sun exposure rates of 90% and 91%, respectively. As autumn approaches, September maintains a solid level of sunshine, comparable to the earlier spring months like April and May. With its beautiful scenery and pleasant weather, September is an ideal time for visitors to experience the delightful vineyards and historic sites of Nemea, all under a comforting sun lit sky.
As summer transitions into autumn, September in Nemea, Greece welcomes a gentle decrease in daylight, with 12 hours of sunshine illuminating the landscape. Following the peak of summer when residents enjoyed 14 hours of daylight, September marks a notable shift as the days begin to shorten. This month elegantly bridges the long, sun-drenched days of summer and the shorter, cooler days of fall. As daylight gradually wanes, the region's vibrant vineyards and olive groves prepare for the harvest season, creating a picturesque backdrop that enhances the charm of Nemea during this time of year.
September in Nemea, Greece, welcomes gentle breezes with an average wind speed of 2.1 m/s (5 mph), a trend that continues from the summer months of July and August. This consistency in wind speed not only enhances the region's idyllic atmosphere but also signals the gradual transition into autumn. Despite the occasional dips in earlier months, where winds were slightly calmer, September’s breezes provide a refreshing contrast to the heat of the preceding summer, making it a perfect time for outdoor activities and vineyard explorations amidst the stunning landscapes of Nemea. As the year progresses, the winds remain stable, hinting at mild weather that encourages both relaxation and adventure.
Weather in Nemea varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Nemea, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present starkly different weather conditions. In September, temperatures range from a pleasant minimum of 11°C (52°F) to a scorching maximum of 36°C (98°F), with an average of 23°C (74°F). The month experiences relatively low precipitation of 56 mm (2.2 in) over just three days, and humidity averages around 65%. In contrast, January is considerably cooler, with temperatures dropping to a minimum of -7°C (19°F) and averaging only 7°C (45°F). Despite having a maximum of 23°C (73°F), it is marked by increased precipitation of 64 mm (2.5 in) over nine days, coupled with higher humidity levels at 76%. For more detailed information about January weather, you can visit Nemea weather in January.
September and February present contrasting weather conditions. In September, temperatures range from a minimum of 11°C (52°F) to a scorching maximum of 36°C (98°F), with an average temperature of 23°C (74°F). The month experiences relatively low precipitation, with 56 mm (2.2 in) falling over just 3 days, while humidity averages around 65%. In stark contrast, February features a cooler climate, with temperatures ranging from a chilly minimum of -3°C (28°F) to a maximum of 22°C (71°F) and an average of 9°C (48°F). Precipitation increases slightly to 65 mm (2.6 in) spread over 9 days, accompanied by higher humidity at 75%. For more specific details on February weather patterns, check out Nemea weather in February.
In September, temperatures are typically warmer, ranging from a mild 11°C (52°F) to a hot 36°C (98°F), with an average of 23°C (74°F). The month experiences relatively low precipitation, with around 56 mm (2.2 in) falling over just three days and humidity averaging at 65%. In contrast, March brings cooler weather, showcasing a much lower temperature range of -2°C (29°F) to 24°C (76°F), with an average temperature of only 10°C (51°F). This month sees slightly higher precipitation at 61 mm (2.4 in) spread over seven days, alongside increased humidity levels at 74%. For more detailed insights on weather patterns, check out Nemea weather in March.
September and April present distinctly different weather patterns. In September, temperatures range from a mild 11°C (52°F) at night to a warm 36°C (98°F) during the day, with an average temperature of 23°C (74°F). The month sees about 56 mm (2.2 in) of precipitation over approximately three days, along with a humidity level of 65%. In contrast, April experiences cooler temperatures, with nighttime lows of 2°C (35°F) and daytime highs reaching 27°C (80°F), averaging around 14°C (57°F). This month has slightly less rainfall at 44 mm (1.7 in) over six days, coupled with higher humidity at 75%. For more details, you can check Nemea weather in April.
In comparing the weather between September and May, September typically boasts warmer average temperatures, ranging from a minimum of 11°C (52°F) to a maximum of 36°C (98°F), with an average of 23°C (74°F). This month also experiences slightly higher humidity at 65% and greater precipitation, totaling 56 mm (2.2 in) over just 3 days. Conversely, May presents a cooler profile with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 35°C (95°F) and an average of 19°C (66°F). The precipitation in May is less, with only 32 mm (1.3 in) occurring over 4 days, along with higher humidity at 77%. For a more detailed look at May weather, check out Nemea weather in May.
In June, the weather tends to exhibit slightly cooler temperatures at night, with a minimum of 10°C (51°F) compared to 11°C (52°F) in September. The average temperature remains the same at 23°C (74°F), but June can reach a maximum of 37°C (98°F), just slightly higher than September's max of 36°C (98°F). Precipitation in June is lower at 45 mm (1.8 in) over five days, while September experiences more rain at 56 mm (2.2 in) over three days. Additionally, humidity is higher in June at 71% versus September's 65%. For further details, you can check Nemea weather in June.
In comparing the weather between September and July, September presents a more varied temperature range, with minimums at 11°C (52°F) and maximums reaching up to 36°C (98°F), while averaging at 23°C (74°F). In contrast, July is noticeably warmer, featuring minimum temperatures of 17°C (62°F), averaging 26°C (80°F), and peaking at 40°C (104°F). Precipitation levels also differ, with September receiving 56 mm (2.2 in) of rain over three days, compared to July’s much lighter 16 mm (0.6 in) over just two days. Humidity levels remain relatively similar, slightly higher in July at 68% compared to September's 65%. For more detailed insights regarding July weather, check out Nemea weather in July.
September offers a notable shift in weather compared to August. While September brings cooler minimum temperatures averaging around 11°C (52°F) and a maximum of 36°C (98°F), August tends to be hotter, with minimums at 18°C (65°F) and highs reaching up to 41°C (106°F). The average temperature in September is 23°C (74°F), significantly lower than August's 27°C (80°F). Additionally, September sees a bit more precipitation, totaling 56 mm (2.2 in) over 3 days, while August remains relatively dry with only 9 mm (0.4 in) over 2 days. Humidity levels are comparable between the two months, with September at 65% and August slightly lower at 63%. For more details about August weather in the area, see Nemea weather in August.
September and October showcase a distinct shift in weather patterns. In September, temperatures range from a minimum of 11°C (52°F) to a scorching maximum of 36°C (98°F), with an average temperature of 23°C (74°F). The month sees about 56 mm (2.2 inches) of precipitation over just 3 days, accompanied by a humidity level of 65%. In contrast, October experiences cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 30°C (86°F), resulting in an average of 17°C (63°F). Precipitation slightly decreases to 48 mm (1.9 inches), but is spread over 5 days, and humidity rises to 72%. This transition marks a notable change in climate, making Nemea weather in October significantly cooler and wetter.
September enjoys warmer temperatures, with average highs reaching up to 36°C (98°F) and lows around 11°C (52°F), while November sees a significant drop, with an average high of 24°C (76°F) and lows dipping to 2°C (36°F). Both months experience similar precipitation levels, with September receiving 56 mm (2.2 in) over 3 days and November slightly wetter at 58 mm (2.3 in) over 8 days. Humidity also increases in November, averaging 75% compared to September's 65%. For more details on the weather during this time, check Nemea weather in November.
September and December present stark contrasts in weather. In September, temperatures range from a mild 11°C (52°F) at night, peaking at a warm 36°C (98°F) during the day, with an average of 23°C (74°F). The month experiences relatively low precipitation with about 56 mm (2.2 in), occurring over just 3 days and humidity at 65%.
In contrast, December sees much cooler temperatures, with nighttime lows dropping to -1°C (30°F) and daily highs averaging around 10°C (49°F), peaking at 20°C (68°F). This month experiences slightly higher precipitation, totaling 60 mm (2.4 in) spread across 9 days, and a rise in humidity to 76%. For more detailed information, you can visit Nemea weather in December.
September in Nemea marks a transition into the beautiful autumn season, characterized by warm days and cooler nights. Unlike the sweltering heat of summer, the temperatures begin to moderate, offering an average warmth that’s ideal for exploring the picturesque vineyards and ancient ruins. While occasional rainfall refreshes the landscape, the overall humidity remains comfortable, making it a delightful time to visit. As you enjoy the vibrant scenery, you'll discover how September stands apart from the hotter summer months, bringing a more temperate climate to this charming region. For more detailed insights, check out the Nemea Climate.