Last updated: August 27, 2025
Giresun, Turkey, in September offers a delightful blend of moderate warmth and refreshing humidity. With maximum temperatures reaching 31°C (88°F) and an average of 21°C (71°F), the month is characterized by pleasant days. However, a minimum temperature of 13°C (55°F) ensures cooler evenings. Rainfall is moderate, with 139 mm (5.5 in) of precipitation over 17 days, contributing to the region's lush landscapes. The humidity level of 67% adds a touch of tropical ambiance, making September a vibrant time to experience Giresun's natural beauty.
In September, Giresun, Turkey, experiences a delightful transition as summer begins to wane. The temperatures reflect this shift; with a minimum of 13°C (55°F) and a maximum of 31°C (88°F), the average hits a comfortable 21°C (71°F). This month showcases one of the region's warmest averages, offering sunny days perfect for outdoor exploration before the cooler autumn air sets in. Compared to the preceding months, September maintains a pleasant warmth, inviting both locals and visitors to bask in the last rays of summer. As the landscape begins to hint at autumn foliage, the balmy temperatures make it an ideal time to enjoy Giresun's natural beauty and vibrant atmosphere.
In September, Giresun, Turkey, experiences a significant increase in precipitation, with 139 mm (5.5 in) of rain recorded over 17 days. This marks a transition from the typically drier summer months, as rainfall begins to build up ahead of the autumn season. The patterns observed throughout the year show a notable peak in August, which contributes to September's precipitation totals. Following the trend, precipitation amounts in October continue to rise further, reaching 172 mm (6.8 in), indicating that September acts as a vital precursor to the wetter months ahead. Overall, the gradual ascent in rainfall leading into the fall highlights Giresun's vibrant climatic shift, enriching its natural landscape and sustaining local ecosystems.
In September, Giresun, Turkey, experiences a shift in humidity, with levels dropping to around 67%. This marks a noticeable decline from the summer months, where August boasts a drier 63% humidity. As the region transitions from the warm summer, the gradual increase in moisture begins again in October, reaching 78%. The overall trend reveals Giresun's humid climate, particularly in the spring and fall months, where humidity levels consistently hover in the upper 70s to low 80s. Notably, while July and August offer the driest air, September serves as a bridge, preparing residents for the return of the more humid autumn conditions ahead.
As September rolls into Giresun, Turkey, the UV Index begins to decline from the sizzling heights of summer. With a UV Index of 7, showing a high exposure category, locals and visitors alike should remain vigilant as the burn time drops back to 25 minutes. This shift indicates a transition from the very high levels experienced in July and August, yet it still calls for protective measures during outdoor activities. As the days gradually shorten and the weather cools, September serves as a reminder to stay sun-smart, particularly after the intense summer sun. For more information on UV levels throughout the year, visit Giresun UV Index.
UV Risk Categories
As summer transitions into autumn, September in Giresun, Turkey, offers a delightful balance of warmth and sunshine, basking in approximately 326 hours of radiant daylight. This month sees a slight dip from the sun-drenched days of July and August, which both peaked over 400 hours, yet it still boasts more sunshine than in the cooler months ahead. The progressive decline from the summer's zenith introduces a slower pace, welcoming the arrival of fall while still enjoying the lingering warmth. Giresun’s September days invite residents and visitors alike to soak in the gentle sun, making it a beautiful time to explore the region's lush landscapes before the chill of October sets in.
September in Giresun, Turkey, boasts a 40% chance of sunny weather, placing it comfortably in the middle tier of the year’s sunshine likelihood. Following the peak sunshine months of June (57%) and July (56%), September shows a moderate decline, yet it remains brighter than the earlier months of the year like January (34%) and March (31%). This transition into autumn maintains a pleasant balance for visitors, as they can enjoy the mild climate and golden hues of nature without the scorching heat of summer. Overall, while September may not promise a sun-soaked guarantee, it still offers a decent opportunity to bask in the gentle sun before the colder months draw in.
As summer gives way to autumn, September in Giresun, Turkey, witnesses a subtle shift in daylight duration, offering around 12 hours of daylight. This month marks a gentle decline from the peak summer brightness of 15 hours in June and 14 hours in July, as the region transitions towards shorter days. The gradual decrease reflects the changing seasons, with daylight hours tapering off as nature prepares for the cooler months ahead. Following September, daylight continues to shrink, ultimately reaching the winter minimum of just 9 hours by December. This rhythmic ebb and flow of light not only highlights Giresun's vibrant seasonal changes but also sets the stage for the hushed beauty of autumn landscapes.
As September rolls into Giresun, Turkey, the gentle whispers of the wind greet the changing season with an average speed of 2.7 m/s (about 6 mph). This subtle shift from the summer months shows a slight increase from August’s quieter breezes, sustaining the coastal charm of the region. Interestingly, September's winds are part of a broader trend: the wind speeds gradually rise from the low of June and July, showcasing nature's rhythm as it transitions towards the cooler months. With the average wind speed creeping back up to levels seen earlier in the year, Giresun enjoys a refreshing maritime touch, hinting at the crisp autumn air to come.
Weather in Giresun varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Giresun, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January showcase contrasting weather patterns that highlight the transition from late summer to winter. In September, temperatures range from a mild 13°C (55°F) at night to a warm 31°C (88°F) during the day, with an average of 21°C (71°F). However, the month also sees significant rainfall, with precipitation occurring on 17 days, totaling 139 mm (5.5 in) and a humidity level of 67%.
In stark contrast, January experiences much colder temperatures, with a minimum of -2°C (29°F) and a maximum reaching only 21°C (71°F), averaging 8°C (47°F). Despite slightly less rainfall at 127 mm (5.0 in) over 13 days, the humidity rises to 83%, contributing to a chillier atmosphere. For more detailed information on January weather, you can visit Giresun weather in January.
September and February present starkly contrasting weather conditions. In September, temperatures range from a mild 13°C (55°F) at night to a warm average of 21°C (71°F) and can peak at a sweltering 31°C (88°F). The month sees a significant amount of precipitation, totaling 139 mm (5.5 in) over 17 days, with humidity levels averaging around 67%. In contrast, February experiences much colder weather, with minimum temperatures plunging to -4°C (25°F) and an average of only 8°C (47°F), while reaching a maximum of 21°C (69°F). Precipitation is lower than in September, with 97 mm (3.8 in) over 14 days, and humidity significantly higher at 84%. For more detailed information, you can check Giresun weather in February.
September and March exhibit quite distinct weather patterns. In September, temperatures are generally warmer, ranging from a minimum of 13°C (55°F) to a maximum of 31°C (88°F) with an average of 21°C (71°F). The month sees 139 mm (5.5 in) of precipitation, typically over 17 days, and the humidity levels are moderate at 67%.
Conversely, March experiences much cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 23°C (74°F), averaging just 9°C (48°F). Precipitation is slightly less at 133 mm (5.3 in), also spread over 17 days, but the humidity is higher at 81%. For a more detailed look at March weather, you can refer to Giresun weather in March.
In comparing the weather between September and April, notable differences emerge in temperature and precipitation patterns. September typically enjoys warmer temperatures, with an average of 21°C (71°F) and a maximum reaching up to 31°C (88°F), while April is cooler, averaging just 12°C (54°F) and peaking at 26°C (80°F). Additionally, precipitation is more pronounced in September, with 139 mm (5.5 in) spread over 17 days, compared to April's 79 mm (3.1 in) over 12 days. Interestingly, April also experiences higher humidity at 79%, in contrast to September's 67%. For more specifics about April weather, visit Giresun weather in April.
When comparing the weather in September and May, a few notable differences emerge. September boasts warmer temperatures, with a minimum of 13°C (55°F) and an average of 21°C (71°F), reaching up to a maximum of 31°C (88°F). In contrast, May starts cooler, with minimum temperatures around 8°C (47°F) and an average of 16°C (62°F), peaking at 28°C (83°F). While both months experience precipitation, September receives slightly more, totaling 139 mm (5.5 in) over 17 days, compared to May's 119 mm (4.7 in) over 14 days. Additionally, humidity levels are higher in May at 81%, compared to 67% in September. For more insights, you can check out Giresun weather in May.
When comparing the weather in September and June, both months exhibit similar minimum temperatures at 13°C (55°F). However, September experiences a higher average maximum temperature of 31°C (88°F), compared to June's peak of 28°C (83°F). Precipitation in September also significantly surpasses that of June, with 139 mm (5.5 in) over 17 days, while June sees only 77 mm (3.0 in) across 12 days. Additionally, humidity levels are slightly higher in June at 79%, compared to September's 67%. For more details on June weather specifically, you can check Giresun weather in June.
In comparing September and July weather, September experiences a wider temperature range with a minimum of 13°C (55°F) and a maximum of 31°C (88°F), averaging 21°C (71°F). In contrast, July sees slightly warmer temperatures, with a minimum of 16°C (61°F) and a maximum of 30°C (86°F), averaging 23°C (74°F). Precipitation is more frequent in September, with 139 mm (5.5 in) falling over 17 days, compared to July's 95 mm (3.7 in) over 15 days. Humidity levels are somewhat comparable, with September at 67% and July slightly higher at 73%. For more detailed information about July weather, you can check Giresun weather in July.
In comparing the weather between September and August, September experiences a noticeable decrease in minimum temperatures, dropping from 18°C (65°F) in August to 13°C (55°F), while the average temperature also cools slightly from 24°C (75°F) to 21°C (71°F). Although September has a higher maximum temperature of 31°C (88°F) compared to August's 29°C (84°F), it also sees increased precipitation, totaling 139 mm (5.5 in) over 17 days, compared to 166 mm (6.6 in) during the same number of days in August. The humidity levels are slightly higher in September at 67% compared to 63% in August. For more detailed information on the weather during this month, check out Giresun weather in August.
In September, the weather is generally warmer, with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 31°C (88°F) and an average of 21°C (71°F). The month sees significant rainfall, totaling 139 mm (5.5 in) over 17 days, and the humidity levels are relatively comfortable at 67%. In contrast, October brings cooler conditions, with temperatures dropping to a minimum of 10°C (51°F) and averaging 18°C (65°F), while the maximum reaches 29°C (84°F). Interestingly, October experiences even higher precipitation levels at 172 mm (6.8 in) over 16 days and increased humidity at 78%. For more detailed information, you can check Giresun weather in October.
In September, temperatures are quite warm, ranging from a minimum of 13°C (55°F) to a maximum of 31°C (88°F), with an average temperature of 21°C (71°F). The month experiences significant precipitation of 139 mm (5.5 in) over 17 days, and humidity levels are moderate at 67%. In contrast, November brings much cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 22°C (72°F); the average temperature dips to 14°C (57°F). Although the total precipitation remains the same at 139 mm (5.5 in), it occurs over just 14 days, and humidity rises to 84%. For more details, you can check Giresun weather in November.
September and December showcase a stark contrast in weather patterns. In September, temperatures range from a minimum of 13°C (55°F) to a maximum of 31°C (88°F), with an average of 21°C (71°F). The month experiences a total precipitation of 139 mm (5.5 in) over 17 rainy days, accompanied by a humidity level of 67%. In contrast, December brings much cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 21°C (71°F), averaging 11°C (52°F). Rainfall increases to 174 mm (6.8 in) over 14 days, while humidity rises to 82%. For more detailed insights into December weather conditions, you can refer to Giresun weather in December.
As September unfolds in Giresun, the weather takes on a distinctive character, offering a delicate balance between warm days and cooler nights. With maximum temperatures peaking at a pleasant 31°C and an average of 21°C, it’s a time when summer's warmth gradually gives way to the refreshing crispness of autumn. However, this transition is accompanied by an increase in rainfall, with precipitation occurring on over half the days of the month. The humidity stays moderate, hovering around 67%, contributing to that end-of-summer lushness. For a deeper look at how Giresun's September weather fits into the overall climatic pattern, explore Giresun Climate.