Last updated: August 27, 2025
September in Constanța, Romania offers a remarkable blend of warmth and mildness, with maximum temperatures soaring up to 36°C (97°F), providing plenty of sunny days for outdoor activities. The average temperature sits comfortably at 20°C (68°F), while cool evenings may dip to a brisk 3°C (38°F), reminding visitors of the approaching autumn. Rainfall is minimal, with only 19 mm (0.7 in) recorded over two days, making it an ideal time for sightseeing. With humidity levels around 58%, the weather is generally pleasant, striking a perfect balance for both tourists and locals to enjoy this vibrant coastal destination.
In September, Constantinesti, Romania experiences a notable shift as summer gradually gives way to autumn. The temperatures reflect this transition, with a minimum of 3°C (38°F) and an average of 20°C (68°F), peaking at a warm 36°C (97°F). This month stands out with a pleasant warmth that still invites outdoor activities, although the nights begin to cool down. Compared to the soaring highs of August, September offers a more moderate yet still comfortable climate, making it an ideal time to explore the coastal beauty of the region before the chill of autumn sets in.
September in Constantinesti, Romania marks a notable dip in precipitation, receiving just 19 mm (0.7 in) of rainfall over a mere 2 days. This decline follows the humid summer months of June and July, which bring the peak rainfall of the year. The transition into autumn sees a significant decrease, not only in total precipitation but also in rainy days, hinting at a possible shift to clearer skies. With each passing month, the trend hints at an evolving climate pattern, setting the stage for October's increased rainfall, suggesting that while September is relatively dry, it paves the way for the wetter months ahead.
In September, humidity levels in Constanța, Romania, transition from the summer's drier months to the more humid fall season, settling at 58%. This marks a notable increase from the 51% recorded in August, indicating the return of moisture as autumn approaches. The trend reveals a gradual rise in humidity as the year progresses, after reaching a low point in July and August. By the time October arrives, humidity jumps to 80%, reinforcing the shift towards a more humid climate as the cooler months draw near. Overall, September serves as a pivotal month, bridging the gap between the summer's dryness and the autumn's return to higher moisture levels.
As summer fades into autumn at Constantinesti, Romania, the UV Index begins to drop but still maintains a noteworthy level of exposure. In September, the UV Index stands at 7, placing it in the high exposure category, with a burn time of 25 minutes. This reflects a slight decrease from the intense very high levels experienced in the peak summer months of June and July, where the UV Index reached 9. Despite this decline, September remains a month to be cautious, especially with the lingering summer sun. For those planning outdoor activities, it’s essential to stay vigilant, as the sun can still be strong. For more detailed insights on UV levels throughout the year, check the Constantinesti UV Index.
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September in Constantinesti, Romania, is a glorious transition from the vibrant summer months to the cooler autumn days. With 343 hours of sunshine, it marks a gentle decline from the peak summer brightness of 426 hours in July and 403 hours in August. This shift signals the start of a more tempered climate, where warm beach days can still be enjoyed, even as daylight begins to wane. As the lush greenery starts to change, September offers a unique charm, blending the warmth of summer with the anticipation of fall. Visitors can relish the lingering rays of sunshine, creating a perfect backdrop for leisurely strolls along the coastline and breathtaking sunsets over the Black Sea.
As summer wanes, September in Constantinesti, Romania maintains a promising outlook for sunny weather, boasting a 61% chance of sunshine. This month marks a noticeable transition, following the peak of summer, where July and August enjoy a robust 69% and 72% likelihood of sunny days. While September sees a slight decrease compared to its immediate predecessors, its sunshine potential remains significantly higher than the earlier months of the year; for instance, January and February linger at just 29% and 40%. Thus, September offers a delightful blend of pleasant weather, inviting both locals and visitors to enjoy the coastal beauty before autumn settles in.
As summer transitions to autumn in Constantinesti, Romania, September marks a slight decline in daylight duration, offering about 12 hours of sunlight each day. The month follows a vibrant summer peak, where June and July enjoy the longest days at 15 hours of daylight, gradually giving way to the 14 hours in May, and 13 hours in August. With September's temperate decrease, daylight continues its steady retreat into the shorter days of fall, ultimately leading to 10 hours in October, and culminating in the minimal 8 hours by December. This gradual shift emphasizes the inevitable change of seasons, reflecting a rhythm of nature that transitions from the fullness of summer into the introspective whispers of autumn.
As summer fades into fall, September in Constanța, Romania, sees a gentle shift in the winds, with an average speed of 2.9 m/s (6 mph). This subtle increase from the languid breezes of August, which hovered at 2.7 m/s, hints at the approaching autumn. While June recorded the year's calmest winds at a mere 1.9 m/s, the latter months—particularly October—begin to pick up again, reaching a brisk 3.1 m/s. Overall, September maintains a pleasant, moderate airflow that complements the retreating warmth, making it a lovely time for leisurely seaside strolls as the wind whispers of cooler days to come.
Weather in Constantinesti varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Constantinesti, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit stark contrasts in weather conditions. In September, temperatures range from a mild 3°C (38°F) at night to a warm 36°C (97°F) during the day, with an average of 20°C (68°F). The month sees relatively low precipitation of 19 mm (0.7 in) over just 2 days, accompanied by a humidity level of 58%. In contrast, January brings frigid temperatures, with a minimum of -21°C (-5°F), a chilly average of 0°C (32°F), and a maximum of only 15°C (60°F). Precipitation increases significantly to 43 mm (1.7 in) spread over 7 days, and humidity soars to 91%. For more detailed information, check out Constantinesti weather in January.
September and February present dramatically different weather patterns. In September, temperatures can range from a mild 3°C (38°F) at night to a warm 36°C (97°F) during the day, with an average temperature around 20°C (68°F). While the month sees only 19 mm (0.7 in) of precipitation over just 2 days, humidity levels are a comfortable 58%. In contrast, February brings much colder conditions, with nighttime lows plunging to -10°C (14°F) and daytime highs reaching only 20°C (69°F), averaging at 3°C (38°F). This winter month experiences more precipitation at 39 mm (1.5 in) across 8 days, and the higher humidity of 86% adds to the chill. For those interested in more detailed weather information, check out Constantinesti weather in February.
In comparing the weather of September and March, one can observe striking contrasts in temperature and precipitation. September boasts a range of temperatures with a minimum of 3°C (38°F) and a comfortable average of 20°C (68°F), peaking at a hot 36°C (97°F). In contrast, March experiences much colder conditions, with temperatures dropping to a minimum of -19°C (-1°F) and an average of 7°C (44°F), reaching a maximum of 24°C (75°F). Moreover, September features minimal precipitation, totaling just 19 mm (0.7 in) over two days, while March brings significantly more rain, with 62 mm (2.4 in) falling across 11 days, coupled with higher humidity levels of 83%. For a more detailed look into March weather specifics, you can refer to Constantinesti weather in March.
September weather is generally warmer, with average temperatures reaching 20°C (68°F) and highs up to 36°C (97°F), while April experiences cooler temperatures, averaging 12°C (54°F) and peaking at 29°C (84°F). In terms of precipitation, September is drier with only 19 mm (0.7 in) of rainfall over just 2 days, compared to April’s 39 mm (1.5 in) spread across 7 days, resulting in a more humid atmosphere with 74% humidity. Thus, while September offers warmer and more stable weather, April tends to be cooler and wetter. For more detailed insights, check out Constantinesti weather in April.
In comparing the weather between September and May, September typically enjoys higher maximum temperatures, peaking at 36°C (97°F) compared to May's maximum of 32°C (90°F). However, May experiences slightly cooler minimum temperatures, ranging from 5°C (40°F), while September starts at a minimum of 3°C (38°F). Precipitation is significantly higher in May, with 81 mm (3.2 in) falling over 13 days, contrasting with September's relatively dry conditions, which see only 19 mm (0.7 in) over just 2 days. Additionally, humidity levels are somewhat higher in May at 70%, compared to 58% in September. For more details on weather conditions in May, check out Constantinesti weather in May.
In comparing the weather of September and June, we see notable differences in temperatures and precipitation patterns. September generally experiences milder average temperatures, with a minimum of 3°C (38°F), an average of 20°C (68°F), and a maximum of 36°C (97°F). The month is relatively dry with only 19 mm (0.7 in) of precipitation over about 2 days and a humidity level of 58%.
In contrast, June tends to be warmer and wetter. It has higher minimum temperatures starting at 7°C (46°F), an average of 22°C (71°F), and peaks at 39°C (103°F). This month also sees significantly more rainfall, totaling 115 mm (4.5 in) over approximately 16 days, accompanied by higher humidity at 67%. For a deeper look at June weather specifics, check out Constantinesti weather in June.
In comparing the weather of September and July, it's clear that September experiences a broader temperature range, with minimums dropping to 3°C (38°F) and maximums reaching 36°C (97°F), while July’s temperatures are generally warmer, with minimums of 12°C (53°F) and maximums of 39°C (102°F). Precipitation levels also differ significantly, as July sees a considerable 74 mm (2.9 in) over 10 days, compared to September's lighter rains totaling 19 mm (0.7 in) across just 2 days. Humidity in July is slightly higher at 65%, compared to September's 58%, which contributes to the overall warmth of the summer month. For more detailed information, you can visit Constantinesti weather in July.
In comparing the weather of September and August, we can see some notable differences. September experiences a wider temperature range with minimums dipping to 3°C (38°F) and maximums reaching up to 36°C (97°F), resulting in a more moderate average of 20°C (68°F). In contrast, August is characterized by a warmer climate, with minimums around 10°C (51°F) and maximums soaring to 40°C (104°F) and an average of 25°C (77°F). Additionally, September sees significantly less precipitation at 19 mm (0.7 in) over just 2 days, compared to August's 41 mm (1.6 in) spread over 5 days. Interestingly, the humidity is slightly higher in September at 58%, compared to August's 51%. For a more detailed view, you can check Constantinesti weather in August.
September typically showcases warmer weather, with average temperatures around 20°C (68°F) and maximums reaching up to 36°C (97°F). This month experiences relatively low precipitation, with only 19 mm (0.7 in) over just 2 days and a humidity level of 58%. In contrast, October brings a noticeable cooling trend, featuring an average temperature of 13°C (56°F) and maximums of 29°C (84°F). The month is also wetter, recording 56 mm (2.2 in) of rain across 6 days, alongside increased humidity at 80%. For more detailed information on October weather, check out Constantinesti weather in October.
In September, temperatures range from a mild 3°C (38°F) at night to a warm maximum of 36°C (97°F) during the day, with an average of 20°C (68°F). The month sees limited rainfall, with only 19 mm (0.7 in) over just 2 days and a relatively comfortable humidity level of 58%. In contrast, November brings much cooler temperatures, with a minimum of -10°C (15°F) and an average of only 7°C (45°F), though it can still reach up to 26°C (79°F) on warmer days. Rainfall is considerably higher at 42 mm (1.7 in) over 8 days, coupled with increased humidity at 88%. For more details on what to expect, you can check out Constantinesti weather in November.
In September, the weather is notably warmer, with average temperatures around 20°C (68°F) and maximums reaching up to 36°C (97°F), making it a pleasant month for outdoor activities. With only 19 mm (0.7 in) of precipitation over just 2 days, humidity levels are moderate at 58%. By contrast, December brings a stark change as average temperatures drop to just 2°C (37°F), and minimums can plummet to -13°C (8°F). The month sees significantly higher precipitation at 65 mm (2.5 in) across 9 days, accompanied by increased humidity levels at 90%. For a more detailed look at the December conditions, you can explore Constantinesti weather in December.
As September graces Constantinesti, it ushers in a delightful transition from the hot summer months to a more temperate climate. With warm days averaging around 20°C (68°F) and the occasional peak reaching a sizzling 36°C (97°F), the month offers a balance of pleasant warmth and invigorating coolness as the evenings set in. Unlike the sweltering heat typical of July and August, September's weather is marked by a noteworthy drop in temperature and significantly reduced humidity, making it an ideal time for outdoor activities. With just a hint of rainfall—averaging 19 mm across only two days—visitors can relish in mostly clear skies while enjoying the beauty of the changing season. Explore more about the fascinating nuances of this month's weather at Constantinesti Climate.