Last updated: August 27, 2025
In Covasna, Romania, September offers a delightful blend of mild temperatures and occasional rainfall, creating an inviting atmosphere for visitors. With a maximum temperature reaching up to 34°C (93°F) and an average of 18°C (64°F), the days can be warm, while evenings may cool down to a refreshing 1°C (35°F). Rainfall is relatively modest, with 26 mm (1.0 in) spread over 6 days, contributing to a 58% humidity that enhances the region's lush landscapes. This transitional month is perfect for exploring the natural beauty and unique charm of Covasna.
September in Covasna, Romania, marks a subtle transition from the sweltering summer to the crisp embrace of autumn. With temperatures starting to cool, the average temperature settles at a comfortable 18°C (64°F), while highs can still reach a warm 34°C (93°F), offering a lingering taste of summer. Nights, however, bring a noticeable drop, with lows dipping to 1°C (35°F), inviting the crispness typical of the upcoming season. This month beautifully encapsulates the shifting seasons, making it an ideal time for outdoor activities amidst breathtaking fall foliage. As the warm days begin to fade, September serves as a gentle reminder of the approaching winter chill while still allowing for enjoyable days in the sun.
In September, Covasna experiences a moderate precipitation level of 26 mm (1.0 in) spread over six days, marking a slight decrease from the wetter summer months. This trend places September as one of the drier months of the year, following August's 41 mm (1.6 in). As summer transitions into autumn, the rainfall tends to taper off, signaling a gradual shift in weather patterns. While the total precipitation remains relatively low, it serves as a precursor to the wetter months ahead, with October and November often bringing more significant rain. This seasonal variability highlights the region's dynamic climate, where the gentle onset of autumn offers a reprieve from the heavier summer downpours.
In September, Covasna, Romania, experiences a noticeable shift in humidity as the summer warmth begins to fade, registering at 58%. This marks a gradual increase from the low of 50% in August, hinting at the transition to autumn. As we look back through the year, it's clear that humidity trends in Covasna are dynamic; they start high in the chilly winter months, peaking at 89% in January, then gradually decline to their summer low in July. The humidity typically rises again in October, reinforcing the pattern of seasonal variations. This interplay between temperature and humidity throughout the year makes Covasna's climate particularly unique, as it moves from the dampness of winter through the refreshing crispness of autumn.
As summer transitions to autumn in Covasna, Romania, September sees a notable shift in the UV Index, dropping to 7, which falls into the high exposure category. This decrease from the peak summer values reflects the waning intensity of sunlight, offering a burn time of 25 minutes for unprotected skin. While September's UV levels remain significant compared to the cooler months ahead, they are a gentle reminder of the importance of sun safety even as days begin to shorten. This month signals the end of the very high exposure levels experienced in July and August, yet caution is still advised as outdoor activities continue. For detailed trends and tips on sun protection, check out the Covasna UV Index.
UV Risk Categories
As summer transitions to autumn, September in Covasna, Romania, showcases a splendid 335 hours of sunshine, reflecting a warm farewell to the sunny season. This month stands out as a continuation of the vibrant sunshine experienced during July and August, although it sees a notable dip in hours as daylight wanes. The gradual shift from the 431 hours of July to September's sunny days highlights a seasonal ebb, with sunlight gently retreating as October approaches. The weather during September not only offers a pleasant blend of warmth and cool breezes but also immerses visitors in the breathtaking natural beauty that Covasna has to offer as the leaves begin to change. Thus, while the daylights shorten, the golden hues of September create an enchanting backdrop for outdoor adventures and leisurely strolls.
As September rolls in, Covasna, Romania, experiences a 46% chance of sunny weather, positioning it as a delightful transition month. Compared to the sunnier heights of summer, where July and August boast probabilities of 55% and 58% respectively, September sees a slight dip, yet remains favorable for outdoor activities. This month showcases a return to more tempered averages, reminiscent of spring's increasing light but without the harshness of winter's gloom. Positioned between the warmth of summer and the golden hues of autumn, September offers a charming opportunity to enjoy Covasna's natural beauty under a mix of sun and clouds.
As summer transitions to autumn in September, Covasna, Romania, experiences a notable shift in daylight duration, with the sun gracing the region for 12 hours. This month marks the beginning of a decline in daylight hours, following the peak of 15 hours in the summer months of May through July. While September still enjoys a generous amount of daylight compared to the winter months, it signals a gradual return to shorter days. The trend continues into October, where daylight dips to 10 hours, reflecting nature's cycle of change as the vibrant hues of autumn begin to emerge.
As September unfolds in Covasna, Romania, the average wind speed hovers around 2.6 m/s (6 mph), embodying a gentle transition from the summer's warmth to the crispness of autumn. This modest breeze follows a trend observed throughout the year, where winds tend to be softer during the peak summer months of July and August, averaging only 2.4 m/s (5 mph) and 2.5 m/s (6 mph), respectively. Interestingly, the winds pick up slightly as the seasons shift, peaking in December with an invigorating 3.3 m/s (7 mph), hinting at the impending chill of winter. Overall, the wind patterns in Covasna reveal a delicate dance of nature, where each month's subtleties contribute to the region's serene charm.
Weather in Covasna varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Covasna, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present markedly different weather patterns. In September, temperatures can range from a mild 1°C (35°F) at night to a warm 34°C (93°F) during the day, with an average of 18°C (64°F). This month experiences relatively low precipitation of 26 mm (1.0 in) over six days, and humidity levels are moderate at 58%. In stark contrast, January plunges into the depths of winter, with temperatures ranging from a frigid -18°C (0°F) to a maximum of 13°C (56°F), averaging around -1°C (30°F). Precipitation is slightly lower at 25 mm (1.0 in) but occurs over just five days, and humidity rises significantly to 89%. For a detailed look at January weather, check out Covasna weather in January.
In September, the weather is notably warmer, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 34°C (93°F), resulting in an average of 18°C (64°F). The month sees relatively low precipitation of 26 mm (1.0 in) over about 6 days, coupled with a comfortable humidity level of 58%. In contrast, February brings much colder temperatures, with lows plunging to -21°C (-5°F) and an average temperature of just 1°C (34°F), peaking at 19°C (66°F). This winter month is wetter, with precipitation totaling 35 mm (1.4 in) across roughly 8 days, and a higher humidity of 87%. For a closer look at February's weather specifics, you can visit Covasna weather in February.
September and March present strikingly contrasting weather conditions. In September, temperatures range from a pleasant 1°C (35°F) at night to a warm 34°C (93°F) during the day, with an average of 18°C (64°F). The month enjoys a relatively low precipitation level of 26 mm (1.0 in) spread over about 6 days, accompanied by moderate humidity at 58%. In contrast, March features a much chillier climate, with temperatures dipping to a minimum of -17°C (1°F) and peaking at 23°C (73°F), averaging only 5°C (41°F). This month also experiences more precipitation, totaling 38 mm (1.5 in) over 8 days, and a higher humidity level of 84%. For a closer look at the specific weather conditions in March, you can check out Covasna weather in March.
In comparing the weather between September and April, significant differences emerge. September boasts a milder temperature range, with minimums of 1°C (35°F) and maximums reaching up to 34°C (93°F), while April experiences colder conditions, with lows dipping to -6°C (22°F) and highs peaking at 27°C (82°F). Additionally, September's average temperature stands at a comfortable 18°C (64°F), contrasting sharply with April's cooler average of 11°C (52°F). Precipitation levels are higher in April, totaling 37 mm (1.5 in), compared to September's 26 mm (1.0 in), and both months experience about 6 days of rain. Notably, April also sees a higher humidity level at 78%, compared to September's 58%. For more detailed insights, check out Covasna weather in April.
September tends to offer a wider temperature range compared to May, with minimums dropping to around 1°C (35°F) and maximums reaching up to 34°C (93°F). This month experiences relatively low precipitation, averaging 26 mm (1.0 in) over about 6 days, and has a humidity level of 58%. In contrast, May presents slightly milder temperatures, with minimums at 4°C (39°F) and maximums around 30°C (86°F). However, it sees more rainfall, amounting to 66 mm (2.6 in) spread across 11 days, along with a higher humidity level of 69%. For detailed insights on May weather, you can check Covasna weather in May.
When comparing the weather in September and June, we find distinct differences in temperature and precipitation levels. September features a wider temperature range, with minimums around 1°C (35°F), average highs of 18°C (64°F), and maximum temperatures reaching 34°C (93°F). This month typically experiences just 26 mm (1.0 in) of precipitation over about 6 days and has a humidity level of 58%. In contrast, June has a milder minimum temperature of 7°C (46°F) and an average of 21°C (70°F), with highs peaking at 33°C (91°F). However, June is considerably wetter, with 95 mm (3.7 in) of rainfall spread over 14 days and higher humidity at 69%. For more specific insights on June weather patterns, check out Covasna weather in June.
In comparing the weather of September and July, September generally offers more variability in temperatures, ranging from a cool minimum of 1°C (35°F) to a warm maximum of 34°C (93°F), with an average temperature of 18°C (64°F). In contrast, July features milder nighttime temperatures, with a minimum of 11°C (51°F) and a slightly higher average of 22°C (72°F), reaching a maximum of 35°C (95°F). Precipitation also differs between the two months, with September receiving 26 mm (1.0 in) over approximately 6 days, while July experiences higher rainfall at 61 mm (2.4 in) across around 10 days. Humidity levels are relatively close, with September at 58% and July at 63%. For more information on July weather specifically, you can check this link: Covasna weather in July.
In comparing the weather between August and September, we observe significant variations in temperature and precipitation. September features a broader range, with minimum temperatures dropping to 1°C (35°F) and maximums reaching 34°C (93°F), averaging 18°C (64°F). In contrast, August maintains a warmer climate with a minimum of 8°C (46°F) and highs up to 37°C (98°F), averaging around 23°C (73°F). Although September experiences less precipitation at 26 mm (1.0 in) over 6 days compared to August's 41 mm (1.6 in) over 5 days, it has a higher humidity level at 58% compared to August's 50%. For more detailed insights, check out Covasna weather in August.
In September, the weather features a wide temperature range, with minimums around 1°C (35°F), averages peaking at 18°C (64°F), and maximums reaching up to 34°C (93°F). This month experiences relatively low precipitation of 26 mm (1.0 in) over six days, accompanied by a moderate humidity level of 58%. In contrast, October sees a drop in average temperatures, with minimums near 0°C (32°F) and averages settling at 12°C (54°F), while the maximum temperature is notably lower at 27°C (80°F). Precipitation increases slightly to 34 mm (1.3 in) across five days, and humidity rises to 78%. For more details, you can check Covasna weather in October.
September and November present stark contrasts in weather conditions. In September, temperatures range from a minimum of 1°C (35°F) to a maximum of 34°C (93°F), with an average of 18°C (64°F) and relatively low precipitation of 26 mm (1.0 in) over six days, resulting in a comfortable humidity level of 58%. In contrast, November brings much cooler temperatures, with a minimum of -8°C (18°F) and a maximum of 24°C (76°F), averaging just 6°C (43°F). The month also experiences slightly higher precipitation at 29 mm (1.1 in) over the same number of days, but with a notable increase in humidity, reaching 87%. For more details on the weather patterns, check out Covasna weather in November.
September and December present stark contrasts in weather. In September, temperatures range from a minimum of 1°C (35°F) to a maximum of 34°C (93°F), with an average of 18°C (64°F). The month sees relatively low precipitation at 26 mm (1.0 in) over about 6 days, accompanied by moderate humidity at 58%. In stark contrast, December brings frigid conditions, with temperatures dropping to a minimum of -17°C (1°F) and averaging just 2°C (35°F), peaking at a maximum of 16°C (61°F). Precipitation is higher during this month, totaling 53 mm (2.1 in) over 11 days, and humidity rises significantly to 88%. For more details on December weather, you can check Covasna weather in December.
As September unfolds in Covasna, the weather takes on a unique charm, marked by a refreshing average temperature that invites outdoor activities. Unlike the sweltering peak summer months, September offers a pleasant reprieve with comfortable days and cooler nights. This transitional period sees minimal precipitation, with a few days of light showers, contributing to the region's vibrant autumn landscape. With humidity levels sitting at a moderate 58%, the air feels crisp yet comfortable, making it an ideal time for exploration and enjoyment of the stunning natural surroundings. For a deeper understanding of the shifting climate in this enchanting region, visit Covasna Climate.