Last updated: February 24, 2025
Nestled in the Azores, Ponta Delgada enjoys a mild September, with daytime highs reaching a pleasant 24°C (76°F) and an average temperature of 22°C (71°F). As summer transitions into autumn, the evenings bring a gentle coolness, often dipping to a minimum of 19°C (66°F). However, expect some rain, as the month sees about 66 mm (2.6 in) of precipitation over 12 days, contributing to the area's lush greenery. With humidity levels around 81%, visitors should be prepared for a warm and occasionally humid atmosphere, making September a vibrant time to explore this charming coastal city.
September in Ponta Delgada, Portugal, is characterized by mild temperatures that are perfect for enjoying the last whispers of summer. With nighttime lows averaging around 19°C (66°F) and daytime highs reaching up to 24°C (76°F), the climate is both comfortable and inviting. This month marks a transition from the warmer summer months, where temperatures peak, to the cooler autumn. The average temperature hovers around 22°C (71°F), reflecting a gradual cooling trend as the region prepares for the autumnal shift. As the ocean remains pleasantly warm, September offers an ideal balance of warmth and refreshing breezes, making it a delightful time for outdoor activities and exploring the stunning landscapes of the Azores.
In September, Ponta Delgada experiences a modest precipitation total of 66 mm (2.6 in) over approximately 12 days of rain, signaling a shift from the drier summer months. This amount is slightly higher than August's 49 mm, reinforcing the trend towards increased rainfall as autumn approaches. Notably, while the number of rainy days increases, it's a clear indicator that Ponta Delgada transitions into a wetter season, leading into the considerably rainier months of October through December, which receive 123 mm, 105 mm, and 141 mm, respectively. This seasonal pattern emphasizes the island's dynamic climate, as visitors can expect a mix of lingering summer warmth with occasional showers in September, setting the stage for the richer, greener landscapes that follow.
In Ponta Delgada, Portugal, September brings a pleasant humidity level of 81%, consistent with the preceding summer months. Throughout the year, humidity levels fluctuate only slightly, with values ranging from a low of 79% in October and November to a high of 84% in December. This mild humidity is characteristic of the region, creating a comfortable atmosphere that lingers into early autumn. Interestingly, while January and March share a humidity of 82%, the transition from summer to fall sees only a minimal drop, suggesting that Ponta Delgada enjoys a relatively stable and inviting climate year-round. As the year progresses, the increase observed in December hints at the approaching winter, making September's humidity a gentle prelude to the seasonal shifts ahead.
In September, Ponta Delgada experiences a UV Index of 9, categorized as very high, which means sun exposure becomes increasingly significant as summer wanes. This trend continues from the previous months, maintaining a strong UV presence with a burn time of just 15 minutes for unprotected skin. Following a peak in June at 11, the UV levels have slightly eased but still demand caution. As the autumn approaches, it’s essential to stay vigilant, especially considering that the UV Index will decline further in October. For more detailed insights, visit the Ponta Delgada UV Index.
UV Risk Categories
As September unfolds in Ponta Delgada, Portugal, the region basks in a splendid 325 hours of sunshine, maintaining a radiant glow as summer begins to wane. This month appears as a bridge between the intense sunshine of July and August, each boasting over 380 hours, and the mellow charm of October, which sees a drop to 275 hours. Observing the progression from January’s modest 153 hours, the gradual climb throughout spring and summer is striking— April and May notably welcoming over 300 hours each. This sunny trend peaks mid-year, after which September offers a delightful, yet softer brightness, perfectly complementing the lush landscapes that flourish in its light. The ebb and flow of sunshine throughout the year not only enriches the local scenery but also invites travelers to experience the unique beauty of Ponta Delgada.
As September arrives in Ponta Delgada, Portugal, the chances of sunny weather are notably high, sitting at 49%. This marks a small decline from the peak sunshine of August, which boasts 57% likelihood, yet remains robust as summer transitions into fall. Throughout the year, a clear trend emerges: the sunny days gradually increase from the murky depths of winter, reaching their zenith in the late summer months. With September still embracing warm weather, it's an inviting time to explore the stunning landscapes and vibrant culture of the Azores, making the most of those golden sunlit moments before the clouds roll in during the cooler autumn months.
As summer fades into autumn in Ponta Delgada, Portugal, September marks a gentle transition in daylight duration, offering about 12 hours of sunlight. This is a noticeable decrease from the 14 hours experienced in the peak months of June through August, reflecting the gradual approach of shorter days. The month showcases a harmonious balance between light and dark, as it bridges the vibrant energy of summer with the cozy charm of fall. Following September, daylight continues to dwindle, dropping to 11 hours in October, setting the stage for the winter months ahead.
As summer transitions into autumn, September in Ponta Delgada experiences a gentle breeze, with an average wind speed of 5.4 m/s (12 mph), marking it as one of the calmest months of the year. This slight decrease in wind speed follows the more blustery summer months, where July and August maintained averages just above 5.5 m/s (12 mph). The trend emerges clearly as we compare these figures to the approaching fall; while October sees a modest uptick in winds at 5.9 m/s (13 mph), November brings a notable increase to 7.3 m/s (16 mph). Thus, September stands as a serene bridge between the vibrant energy of summer and the brisk freshness of fall, inviting visitors to enjoy the soothing winds that accompany the stunning landscapes of the Azores.
The weather in Ponta Delgada 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 Ponta Delgada and find detailed weather information for every month.
In September, the weather in Ponta Delgada is generally warmer, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 24°C (76°F). The month sees about 66 mm (2.6 in) of rainfall over 12 days, and humidity levels are relatively high at 81%. In contrast, January experiences cooler temperatures, with averages between 12°C (53°F) and 19°C (66°F). The precipitation in January is slightly higher at 77 mm (3.0 in) over 14 days, with humidity levels remaining quite constant at 82%. For more detailed information, you can check Ponta Delgada weather in January.
September and February present contrasting weather patterns. In September, temperatures are relatively warm, with a minimum of 19°C (66°F) and an average of 22°C (71°F), making it a pleasant month to enjoy outdoor activities. However, it also experiences moderate precipitation, averaging 66 mm (2.6 in) over about 12 days, coupled with high humidity levels of 81%.
In contrast, February is cooler with a minimum temperature of 10°C (50°F) and an average of 15°C (59°F), reaching a maximum of 18°C (65°F). This month sees higher precipitation, totaling 111 mm (4.4 in) spread across 15 days, while humidity remains slightly lower at 80%. For more detailed insights into February weather, you can check out Ponta Delgada weather in February.
September and March in Ponta Delgada display notable differences in temperature, despite having similar precipitation levels and humidity. September enjoys a warmer climate, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 24°C (76°F), making it a more pleasant month for outdoor activities. In contrast, March is cooler, with temperatures averaging between 11°C (52°F) and 18°C (64°F). Both months experience similar precipitation patterns, receiving approximately 66 mm (2.6 in) of rainfall over about 12 days, but the humidity remains comparably high in both. For a more detailed look at the weather specifics in March, check out Ponta Delgada weather in March.
When comparing the weather in September to April, significant differences emerge. September boasts warmer temperatures, with average highs reaching 24°C (76°F) and a comfortable humidity of 81%. In contrast, April experiences cooler conditions, with average maximum temperatures around 18°C (64°F) and a lower average of 15°C (60°F). Additionally, April tends to be wetter, with 88 mm (3.5 in) of rainfall over 14 days, compared to September’s 66 mm (2.6 in) over 12 days. For more detailed insights into the April weather, check out Ponta Delgada weather in April.
In comparing the weather between September and May, September tends to be warmer, with average temperatures reaching 22°C (71°F), compared to May's cooler average of 17°C (62°F). Despite September having slightly less precipitation, with 66 mm (2.6 in) over 12 days, it still maintains a similar humidity level of 81%. In contrast, May experiences a marginally higher precipitation of 71 mm (2.8 in) over 11 days. Those looking to understand the specifics of May weather in Ponta Delgada can explore more through this link: Ponta Delgada weather in May. Overall, September offers a more temperate and warm atmosphere, while May is characterized by its cooler temperatures and slightly wetter conditions.
In comparing the weather of September and June, we see notable differences in temperature and precipitation. September enjoys a warmer climate, with minimum temperatures around 19°C (66°F) and maximums peaking at 24°C (76°F), whereas June has a cooler range, with minimums at 14°C (58°F) and maximums reaching 22°C (72°F). Additionally, September experiences more rainfall, averaging 66 mm (2.6 in) over 12 days, compared to June's 39 mm (1.5 in) across just 6 days. Humidity levels remain fairly similar in both months, with June at 82% and September slightly lower at 81%. For more insights on weather patterns, check out Ponta Delgada weather in June.
When comparing the weather in September to that of July, September tends to be slightly warmer, with an average temperature of 22°C (71°F) compared to July's 21°C (69°F). While both months experience similar minimum and maximum temperatures, September has a higher total precipitation of 66 mm (2.6 in) over about 12 days, whereas July sees only 18 mm (0.7 in) across 4 days. Interestingly, humidity remains quite high in both months, with September recording 81% and July slightly higher at 83%. For a more detailed look at the July weather patterns, you can visit Ponta Delgada weather in July.
In September, the weather remains quite pleasant, with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 24°C (76°F), similar to August, which has a minimum of 20°C (68°F). Interestingly, while both months share the same average temperature of around 22°C (72°F), September experiences slightly more rainfall, totaling 66 mm (2.6 in) over 12 days compared to August's 49 mm (1.9 in) over 9 days. Humidity levels remain consistent at 81% for both months, contributing to a muggy atmosphere. For more detailed information on the weather conditions during this time, you can visit Ponta Delgada weather in August.
September and October exhibit noticeable differences in weather patterns. In September, temperatures are slightly warmer, with an average of 22°C (71°F) and a maximum of 24°C (76°F), while October sees a slight drop to an average of 20°C (69°F) and a similar maximum of 24°C (75°F). Precipitation increases in October, rising to 123 mm (4.8 in) over 15 days, compared to 66 mm (2.6 in) over 12 days in September. Humidity levels are relatively close, at 81% for September and 79% for October. For more detailed information, check out Ponta Delgada weather in October.
In September, the weather is generally warmer, with temperatures ranging from a minimum of 19°C (66°F) to an average of 22°C (71°F) and a maximum of 24°C (76°F). The month experiences moderate precipitation, with 66 mm (2.6 in) falling over 12 days and humidity levels at 81%. In contrast, November sees a notable drop in temperature, with a minimum of 12°C (54°F) and an average of 18°C (65°F), while the maximum temperature remains similar at 23°C (73°F). Precipitation increases in November to 105 mm (4.2 in), spread over 15 days, and humidity is slightly lower at 79%. For a more detailed look at the weather conditions in November, you can check Ponta Delgada weather in November.
In September, the weather is typically warmer, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 24°C (76°F). The month sees about 66 mm (2.6 in) of precipitation over 12 days, accompanied by a relatively high humidity level of 81%. In contrast, December brings cooler conditions, with temperatures dropping to a minimum of 12°C (53°F) and a maximum of 20°C (68°F). This month experiences more precipitation, totaling 141 mm (5.6 in) over 15 days, and slightly higher humidity at 84%. For a detailed look at December weather specifics, check out Ponta Delgada weather in December.
As summer transitions to autumn, September in Ponta Delgada offers a delightful climate that strikes a balance between warmth and refreshing breezes. With average temperatures hovering around a comfortable 22°C, it's the perfect time to enjoy outdoor activities before the cooler months set in. Though you'll encounter some rain—averaging about 66 mm over approximately 12 days—the humidity remains relatively high at 81%, giving the air a tropical feel. This month stands out compared to the peak summer heat, providing a more pleasant atmosphere for exploring the island’s stunning landscapes and vibrant cultural scene. For a deeper dive into weather patterns, check out Ponta Delgada Climate.