Last updated: March 24, 2025
In Sulmona, Italy, September offers a delightful transition from summer to autumn, with maximum temperatures reaching a pleasant 27°C (82°F) and an average of 15°C (60°F). Visitors can expect some variability in weather, as the minimum temperature can drop to 2°C (37°F) during the chilly nights. With a total precipitation of 94 mm (3.7 in) spread across 11 days, the month brings refreshing rain showers, contributing to a humidity level of 65%. This makes September an ideal time for enjoying the beautiful landscapes and rich history of Sulmona, as the mild days and cooler evenings create the perfect setting for exploration.
As September arrives in Sulmona, Italy, a pleasant transition marks the end of summer, with temperatures beginning to cool. The minimum temperature settles at a mild 2°C (37°F), while the average rises to a comfortable 15°C (60°F), reaching a cheerful maximum of 27°C (82°F). This month encapsulates a beautiful blend of warm days and cooler nights, providing the perfect backdrop for enjoying the vibrant landscape and local festivities. As the region shifts towards autumn, the gradual decline in temperature signals the start of a new season, inviting visitors to indulge in the charming ambiance of Sulmona amidst its stunning scenery.
September in Sulmona, Italy, showcases a notable transition in weather, with precipitation levels averaging 94 mm (3.7 in) over 11 rainy days. This amount is slightly lower than the preceding months of May and April, yet it maintains a steady rhythm typical of early autumn. The clouds gather as summer wanes, offering a refreshing respite from the dry spells of July and August, which saw significantly less rainfall. As Sulmona moves toward October, where precipitation rises to 108 mm (4.3 in), September sets the stage for a gradual increase in moisture, hinting at the more saturated conditions to come. This balance of rainfall not only nurtures the landscape but also infuses a vibrant freshness into the town as it embraces the changing seasons.
As the summer heat dissipates in Sulmona, Italy, September experiences a noticeable shift in humidity, settling at 65%. This marks a return to more comfortable levels after the drier months of July and August, which recorded 57% and 53% respectively. The transition is a refreshing reprieve from the lingering summer warmth, as humidity begins to rise again in the following months, reaching 75% by October. Generally, the year in Sulmona showcases a clear trend of higher humidity during the colder months, peaking at 84% in January and December, while the summer months offer lower humidity levels, creating a distinct rhythm throughout the seasons.
In September, Sulmona, Italy, experiences a UV Index of 8, indicating a very high level of sun exposure. As summer transitions to autumn, residents and visitors alike should remain vigilant, as the burn time is just 15 minutes—a stark reminder of the sun's lingering intensity even as the days shorten. This month follows a pattern established through the summer months, where the UV Index peaked at 11 in June, then gradually lowered to 10 in July and August. While September offers a slight reprieve compared to the peak of summer, awareness and protection from UV radiation remain critical. For more detailed information on UV levels, check out Sulmona UV Index.
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In September, Sulmona basks in a delightful glow with 329 hours of sunshine, marking a gentle transition from the blazing summer months to the cooler embrace of autumn. While this is a noticeable dip from the sun-soaked peaks of July and June, it still maintains a vibrant energy compared to the early months of winter. The month showcases an inviting balance, overshadowed by the intense May and June, which boast over 370 hours each. As the days grow shorter, the idyllic weather makes September a perfect time for exploring the charming streets and rich history of Sulmona, where the warmth of the sun lingers just long enough to remind visitors of summer’s lingering embrace.
As summer fades and autumn approaches, September in Sulmona, Italy, offers a delightful blend of lingering warmth and moderate sunny days, boasting a 45% chance of sun. This month shows a significant shift from the peak sunshine experienced in July and August, which see probabilities around 66% and 64%, respectively. While September's potential for sunny weather is lower than those sun-soaked summer months, it remains favorable compared to the gloomier winter months like November, which plummets to 18%. Thus, September presents a charming opportunity for visitors to enjoy the beautiful landscapes of Sulmona under a pleasantly sunlit sky, making it a lovely time for outdoor exploration before the cooler weather sets in.
As summer transitions to autumn in Sulmona, Italy, September marks a gentle shift in daylight duration, offering about 12 hours of sunlight. This month serves as a bridge, gradually decreasing from the 14 hours of daylight experienced in May and June, and down to 11 hours by October. The month encapsulates the charm of early fall, where longer evenings usher in cozy atmospheres and cooler temperatures. This pattern not only reflects the natural rhythm of the seasons but also provides a soft farewell to the sun-soaked days of summer, creating a picturesque backdrop for activities as nature adorns itself in vibrant hues.
As September rolls into Sulmona, the average wind speed gently declines to 1.2 m/s (3 mph), marking a subtle shift in the seasonal breeze. This trend of diminishing wind is part of a broader pattern observed throughout the warmer months, where summer's gusts gradually calm before autumn settles in. Beginning at a modest 1.7 m/s (4 mph) in January, the winds see fluctuations, peaking in early winter and softening by late summer. The slow retreat of the wind in September invites a sense of tranquility, reflecting the town's serene ambiance as it transitions into the cozy embrace of fall. This soothing lull in the air seems to harmonize perfectly with Sulmona's picturesque landscapes, creating an inviting atmosphere for both locals and visitors.
The weather in Sulmona changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Sulmona and find detailed weather information for every month.
September and January present stark contrasts in weather conditions. In September, temperatures range from a mild 2°C (37°F) at night to a warm 27°C (82°F) during the day, with an average of 15°C (60°F) and relatively moderate humidity at 65%. Rainfall is also common, with about 94 mm (3.7 in) over 11 days. In contrast, January brings much colder temperatures, with a minimum of -19°C (-3°F) and a maximum of only 16°C (61°F), averaging around 0°C (33°F). This month sees slightly more precipitation at 97 mm (3.8 in) over 12 days, and the humidity tends to be higher at 84%. For a more detailed look at January weather in Sulmona, you can check Sulmona weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a mild 2°C (37°F) at night to a warm 27°C (82°F) during the day, with an average of 15°C (60°F). The month experiences 94 mm (3.7 in) of precipitation over 11 days, coupled with a humidity level of 65%, creating a comfortable atmosphere. In contrast, February brings significantly colder temperatures, with a minimum of -15°C (5°F) and a maximum of 16°C (61°F), averaging just 3°C (38°F). This winter month sees slightly less precipitation at 92 mm (3.6 in) over 10 days, and humidity levels rise to 76%, contributing to a chillier, more humid feel. For those interested in further details, Sulmona weather in February provides additional insights into the winter climate.
When comparing the weather of September and March, distinct contrasts emerge. September boasts milder temperatures with a minimum of 2°C (37°F), averaging around 15°C (60°F) and peaking at 27°C (82°F). In this month, precipitation totals 94 mm (3.7 in) over about 11 days, along with a humidity level of 65%. In contrast, March experiences a chilly grip with temperatures dipping to a minimum of -18°C (-1°F), averaging just 4°C (40°F) and peaking at 18°C (65°F). The month sees slightly higher precipitation of 104 mm (4.1 in) spread across 14 days, coupled with a higher humidity of 69%. For a more detailed look at March conditions, you can visit Sulmona weather in March.
In comparing the weather between September and April, we see notable differences. September typically offers milder temperatures with a minimum of 2°C (37°F), an average of 15°C (60°F), and a maximum of 27°C (82°F). It has a relative humidity of 65% and receives about 94 mm (3.7 in) of precipitation over approximately 11 days. In contrast, April experiences cooler temperatures, starting with a minimum of -5°C (22°F) and averaging 8°C (47°F) with a maximum of 22°C (71°F). This month sees slightly more precipitation, totaling 99 mm (3.9 in) over 14 days, along with a higher humidity level of 70%. For more detailed insights on the weather in April, you can check Sulmona weather in April.
In comparing the weather between September and May, September typically offers more mild and pleasant conditions, with an average temperature of 15°C (60°F) and maximums reaching up to 27°C (82°F). In contrast, May experiences slightly cooler temperatures, averaging 12°C (54°F) with minimums dropping as low as -3°C (27°F). Additionally, September sees lower precipitation levels at 94 mm (3.7 in) compared to May's 151 mm (5.9 in), though May has more rainy days, averaging 15 days of rain versus September's 11 days. Humidity levels are also slightly higher in May at 70% compared to September's 65%. For a more detailed look at May weather, visit Sulmona weather in May.
In comparing the weather of September and June, we notice some interesting variations. September experiences a broader temperature range, with minimums of 2°C (37°F) and maximums reaching 27°C (82°F), resulting in an average of 15°C (60°F). In contrast, June's temperatures start slightly higher, with a minimum of 4°C (39°F) and a maximum of 30°C (86°F), averaging around 17°C (63°F). Precipitation levels are fairly similar, with September receiving 94 mm (3.7 in) over approximately 11 days, while June sees slightly less at 88 mm (3.5 in) across 13 days. Humidity also shows a minor difference, with September at 65% compared to June's 61%. This can create a more humid feel in September, making those warm late summer days feel quite steamy. For more detailed information about June weather, you can check Sulmona weather in June.
In comparing the weather of September and July, September tends to be cooler and wetter. While July boasts higher maximum temperatures, reaching up to 32°C (90°F) with an average of 19°C (67°F), September's temperatures range from a minimum of 2°C (37°F) to a maximum of 27°C (82°F), averaging at 15°C (60°F). Additionally, September experiences more precipitation, with an average of 94 mm (3.7 in) over 11 days, compared to July's 54 mm (2.1 in) over just 8 days. The humidity is also slightly higher in September at 65% compared to July's 57%. For a more detailed look at July's conditions, check out Sulmona weather in July.
In comparing the weather of September and August, September tends to be cooler, with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 27°C (82°F), and an average of 15°C (60°F). In contrast, August is warmer, boasting a minimum of 8°C (46°F) and peaking at 33°C (92°F), with an average temperature of 20°C (68°F). While both months experience similar precipitation levels, September receives slightly more at 94 mm (3.7 in) over 11 days, compared to August's 80 mm (3.2 in) over 12 days. Additionally, September has higher humidity at 65%, whereas August has a lower humidity of 53%. For a more detailed look at August weather, you can visit Sulmona weather in August.
September and October exhibit noticeable differences in weather patterns. In September, temperatures range from a minimum of 2°C (37°F) to a maximum of 27°C (82°F), with an average of 15°C (60°F). The month sees around 94 mm (3.7 in) of precipitation over 11 days and humidity levels at 65%. In contrast, October experiences cooler temperatures, with a minimum of 0°C (33°F), an average of 11°C (52°F), and a maximum of 23°C (74°F). Precipitation increases slightly to 108 mm (4.3 in), occurring over 12 days, while humidity rises to 75%. For more detailed information, you can refer to Sulmona weather in October.
September and November present distinct weather patterns, highlighting the transition from late summer to late autumn. In September, temperatures range from a mild 2°C (37°F) at night to a warm 27°C (82°F) during the day, with an average of 15°C (60°F). This month experiences moderate humidity at 65% and a total precipitation of 94 mm (3.7 in) over 11 days. In contrast, November ushers in a cooler climate, with nighttime lows dropping to -6°C (22°F) and daytime highs averaging 17°C (63°F), resulting in a much cooler average of 7°C (45°F). The humidity increases to 81%, and the month sees a significant rise in rainfall, totaling 169 mm (6.7 in) over 15 days. For more detailed insights, check out Sulmona weather in November.
September and December present stark contrasts in weather. September enjoys milder temperatures, ranging from a minimum of 2°C (37°F) to a comfortable maximum of 27°C (82°F), with average temperatures around 15°C (60°F). In this month, there’s a total precipitation of 94 mm (3.7 in) over 11 days, accompanied by a relatively moderate humidity level of 65%. In contrast, December experiences much colder conditions, with temperatures dipping to a minimum of -13°C (9°F) and a maximum reaching only 14°C (57°F), averaging at 3°C (37°F). This winter month sees increased precipitation of 116 mm (4.6 in) spread across 13 days, coupled with higher humidity at 84%. For a closer look at the December climate, you can check Sulmona weather in December.
As summer gently fades, September in Sulmona unveils a delightful shift in weather that sets the stage for the autumn months. While daytime temperatures remain pleasantly warm, the evenings grow considerably cooler, marking a notable transition from the sweltering heat of August. Rainfall becomes more frequent, bringing refreshing showers that nourish the landscape, and a moderately humid environment enhances the crispness of the air. This unique blend of warmth and coolness, alongside increased precipitation, makes September a refreshing and transformative month. For a comprehensive look at Sulmona's climatic patterns, be sure to explore Sulmona Climate.