Last updated: August 27, 2025
In Slanic-Moldova, Romania, September brings a temperate climate characterized by a blend of warming days and cooler nights. Average temperatures hover around 15°C (59°F), with peaks reaching a maximum of 31°C (87°F), while nighttime lows can dip to a brisk -2°C (29°F). The month witnesses approximately 39 mm (1.5 in) of precipitation spread over 7 days, contributing to a humidity level of 62% that enhances the fresh, invigorating atmosphere. This transitional period marks an ideal time for exploration, as the lush landscapes come alive under the gentle embrace of autumn.
In September, Slanic-Moldova, Romania experiences a delightful transition from the warmth of summer to the crispness of autumn. With nighttime temperatures dropping to around -2°C (29°F), the days remain pleasantly mild, boasting an average of 15°C (59°F) and reaching highs of 31°C (87°F). This month stands out as a perfect blend of lingering warmth and the anticipation of cooler days ahead, making it an ideal time for both outdoor adventures and enjoying the stunning autumn foliage. As summer's heat wanes, visitors can revel in warm afternoons while preparing for the brisk evenings, showcasing September as a unique gem in Slanic-Moldova's climate calendar.
In September, Slanic-Moldova experiences a notable dip in precipitation, with only 39 mm (1.5 in) of rain falling over 7 days. This marks a departure from the wetter summer months, where June and May saw significantly higher totals of 151 mm (5.9 in) and 84 mm (3.3 in), respectively. As autumn approaches, the rainfall begins to taper off, suggesting a shift towards drier conditions. Interestingly, the trend of reduced precipitation continues into October, maintaining a similar average. This seasonal transition not only highlights the declining moisture but also sets the stage for the crisp, clear days that characterize the coming fall months in this picturesque Romanian region.
In September, Slanic-Moldova, Romania experiences a noticeable shift in humidity, with levels reaching around 62%. This marks a slight increase from the drier conditions of August, which recorded 56% humidity, suggesting the onset of autumn is beginning to reintroduce moisture into the air. As the months progress, humidity levels will rise again, peaking in the colder months, with October hovering at 80% and November escalating to 89%. The data distinctly illustrates a gradual transition from the drier summer months into a more humid fall and winter, highlighting the region's climatic rhythm throughout the year.
As summer fades and autumn begins in September, Slanic-Moldova experiences a noticeable shift in UV Index levels. With a UV Index of 7, categorized as high, this month marks a transition from the very high levels seen in the peak summer months of June and July. Despite the slight decrease, residents and visitors should remain cautious, as the burn time is still set at 25 minutes—a reminder of the sun's lingering strength. This trend showcases a gradual easing of intense sunlight while still emphasizing the importance of sun safety. For year-round UV insights, explore Slanic-Moldova UV Index.
UV Risk Categories
September in Slanic-Moldova, Romania, offers a delightful blend of warmth and golden sunlight, with 337 hours of sunshine illuminating the landscape. This marks a noticeable decline from the sun-drenched peak of 422 hours in July, yet it remains a promising stretch before the cooler months arrive. As summer transitions into autumn, the sun's enduring presence in September hints at lingering warmth, even as the days gradually shorten. Compared to the 408 hours in August, September's sunlight still creates an inviting atmosphere for outdoor adventures, showcasing the region's natural beauty while paving the way towards the cozy ambiance that October brings with its 289 hours of sun.
As September arrives in Slanic-Moldova, Romania, the likelihood of enjoying sunny weather stands at 42%, marking a pleasing transition from the peak summer months. This month follows a warm August, which boasts a 50% chance of sunshine, while preceding the cooler October with a favorable 47% likelihood. Notably, September's sun probability is a comfortable midpoint, outshining both the dreariness of winter months like January at just 23% and even outpacing the springtime options, where April peaks at 43%. As such, visitors can expect a blend of mild temperatures and bright skies, making September an inviting time to explore the natural beauty of the region.
As summer fades into autumn, September in Slanic-Moldova, Romania, experiences a gentle decline in daylight duration, offering about 12 hours of sunlit serenity. This marks a shift from the peak 15 hours seen in the height of summer, with longer days gradually giving way to the shorter daylight of October and beyond. The transition reflects nature's rhythm, where the vibrancy of late summer gradually yields to the onset of fall. This month captures the essence of change, inviting longer shadows and cooler evenings, as the lush landscape prepares for the cozy embrace of autumn.
In Slanic-Moldova, Romania, September brings a subtle shift in the winds, with an average speed of 1.9 m/s (approximately 4 mph). This slight increase, when compared to the calm of August, hints at the transitions of fall approaching. Throughout the summer months, wind speeds gradually decreased, reaching their lowest in August at 1.7 m/s. However, as September unfolds, there’s a whisper of change that mirrors the changing leaves. The wind speeds remain relatively gentle, consistent with the lower averages seen in July and August, but the resurgence as the summer wanes suggests a refreshing crispness in the air, inviting locals and visitors alike to enjoy the serene beauty of the season.
Weather in Slanic-Moldova varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Slanic-Moldova, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit stark contrasts in weather, reflecting the shift from late summer to deep winter. In September, temperatures range from a minimum of -2°C (29°F) to a pleasant average of 15°C (59°F), peaking at a warm 31°C (87°F). The month experiences moderate precipitation of 39 mm (1.5 in) over approximately 7 days, with a humidity level around 62%. In stark contrast, January is characterized by much colder conditions, with temperatures plummeting to a minimum of -22°C (-6°F) and averaging -3°C (27°F), while max temperatures reach only 13°C (56°F). This winter month sees slightly less precipitation at 30 mm (1.2 in) over 6 days, but humidity is notably higher at 92%. For a deeper look into January's weather specifics, you can follow this link: Slanic-Moldova weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures can range from a chilly -2°C (29°F) at night to a warm 31°C (87°F) during the day, with an average of 15°C (59°F). Meanwhile, February experiences much colder temperatures, with nighttime lows plunging to -17°C (2°F), a daytime maximum of 18°C (65°F), and an average temperature of 0°C (33°F). Both months see a fair amount of precipitation, with September receiving 39 mm (1.5 in) over about 7 days, while February has slightly higher precipitation at 43 mm (1.7 in) spread across 9 days. Additionally, February is noticeably more humid, averaging 88% compared to September's 62%. For more details, see Slanic-Moldova weather in February.
September and March showcase quite different weather patterns. In September, temperatures range from a chilly minimum of -2°C (29°F) to a warm maximum of 31°C (87°F), with an average of 15°C (59°F). This month sees relatively moderate precipitation at 39 mm (1.5 in) over about 7 days, coupled with a humidity level of 62%. In contrast, March experiences a much colder climate, with minimum temperatures plunging to -19°C (-2°F) and a maximum of 22°C (71°F), averaging just 3°C (38°F). Precipitation is higher in March, reaching 52 mm (2.1 in) across 11 days, and the humidity is significantly elevated at 86%. For more details on the weather in March, you can refer to Slanic-Moldova weather in March.
In September, the weather tends to be warmer with an average temperature of 15°C (59°F) and maximums reaching up to 31°C (87°F), while April has a cooler average of 8°C (47°F) and maximums that only reach 25°C (77°F). Additionally, September experiences less precipitation, totaling 39 mm (1.5 in) over about 7 days, compared to April's 56 mm (2.2 in) over 9 days. Humidity levels are also lower in September at 62%, whereas April sees higher humidity at 79%. For more detailed information on the weather in April, you can visit Slanic-Moldova weather in April.
When comparing the weather in September and May, notable differences emerge in temperature and precipitation patterns. September boasts a wider temperature range, with a minimum of -2°C (29°F) and a maximum of 31°C (87°F), averaging around 15°C (59°F). In contrast, May features a slightly milder temperature range, with a minimum of -1°C (31°F) and a maximum of 27°C (81°F), averaging 13°C (56°F). Additionally, May brings more precipitation, totaling 84 mm (3.3 in) over 16 days, compared to September's 39 mm (1.5 in) over just 7 days. Humidity levels are also higher in May at 73%, compared to September’s 62%. For a more detailed insight into May weather, you can check Slanic-Moldova weather in May.
When comparing the weather in September and June, several notable differences emerge. September tends to be cooler, with temperatures ranging from a low of -2°C (29°F) to an average of 15°C (59°F) and a high of 31°C (87°F). In contrast, June starts warmer, with minimums around 5°C (40°F) and an average of 18°C (64°F), also reaching up to 31°C (88°F) at its peak.
In terms of precipitation, June is significantly wetter, receiving 151 mm (5.9 in) of rain over about 20 days compared to September's 39 mm (1.5 in) over just 7 days. Additionally, the humidity levels are higher in June at 73%, compared to September's 62%. For a closer look at the June weather specifics, you can check Slanic-Moldova weather in June.
In comparing the weather of September and July, September tends to be cooler overall, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 31°C (87°F) and an average of 15°C (59°F). In contrast, July has milder temperatures, with a minimum of 8°C (46°F) and an average of 19°C (66°F), reaching a similar maximum of 31°C (88°F). However, July is much wetter, receiving 104 mm (4.1 in) of precipitation over 15 days, compared to September's 39 mm (1.5 in) over just 7 days. Humidity levels are slightly higher in July at 68%, while September maintains a more comfortable humidity of 62%. For more details on July weather specifics, check Slanic-Moldova weather in July.
In September, temperatures show a more significant range, with a minimum of -2°C (29°F) and a maximum of 31°C (87°F), resulting in an average temperature of 15°C (59°F). This contrasts with August, which has a milder minimum of 7°C (44°F) and a higher average of 19°C (67°F), peaking at a maximum of 33°C (92°F). Additionally, September experiences less precipitation at 39 mm (1.5 in) across 7 days, compared to August's 69 mm (2.7 in) over 10 days, even though the humidity is slightly higher in September at 62%, compared to 56% in August. For a detailed look at August weather, you can explore Slanic-Moldova weather in August.
September experiences a broader temperature range with minimums dipping to -2°C (29°F) and maximums reaching up to 31°C (87°F), resulting in an average of 15°C (59°F). The month sees relatively moderate precipitation of 39 mm (1.5 in) across 7 days, with a humidity level of 62%.
In contrast, October temperatures drop further, with minimums reaching -3°C (26°F) and maximums peaking at 25°C (77°F), leading to a cooler average of 9°C (49°F). Precipitation remains similar at 40 mm (1.6 in), but it occurs over just 6 days, while humidity rises to 80%. Overall, October brings a noticeable shift towards cooler and more humid conditions compared to September. For more specifics about weather in Slanic-Moldova during October, check out this link: Slanic-Moldova weather in October.
September and November present contrasting weather patterns. In September, temperatures are more variable, with a minimum of -2°C (29°F), an average of 15°C (59°F), and a maximum reaching up to 31°C (87°F). This month typically sees 39 mm (1.5 in) of precipitation over 7 days, with a humidity level of 62%. In contrast, November experiences cooler conditions, with temperatures ranging from -10°C (14°F) to a maximum of 22°C (72°F), and an average of just 4°C (40°F). While the precipitation level is similar at 38 mm (1.5 in) over 6 days, humidity rises significantly to 89%. For more detailed information, you can check Slanic-Moldova weather in November.
September and December present strikingly different weather conditions. In September, temperatures range widely, with nighttime lows at -2°C (29°F) and daytime highs peaking at 31°C (87°F), creating a warm average of 15°C (59°F). The month experiences moderate rainfall, totaling 39 mm (1.5 in) over about 7 days, with relative humidity at a comfortable 62%. In contrast, December brings a significant drop in temperature, with minimums plummeting to -18°C (1°F) and an average of 0°C (33°F), while the maximums only reach 14°C (58°F). Precipitation increases to 59 mm (2.3 in), occurring over roughly 10 days, accompanied by much higher humidity levels at 90%. For more specific insights, you can refer to Slanic-Moldova weather in December.
As September unfolds in Slanic-Moldova, it unveils a transitional charm that bridges summer warmth and the crispness of autumn. With a comfortable average temperature and occasional peaks that remind us of the lingering summer days, the month provides a pleasant backdrop for outdoor activities. However, as the 59°F average dips close to winter's chill, the presence of light rain and increased humidity adds a touch of unpredictability to the weather. This mix of warmth and precipitation, experienced over roughly a week, makes September uniquely refreshing compared to the hotter, dryer summer months. For those looking to understand more about this fascinating climate shift, explore Slanic-Moldova Climate.