Last updated: August 21, 2025
In Waihai, China, September ushers in a dynamic climate characterized by warm temperatures that peak at a maximum of 35°C (96°F) and settle into an inviting average of 29°C (84°F), with nighttime lows around 22°C (72°F). This month experiences a significant amount of precipitation, totaling 235 mm (9.3 in) over 23 days, contributing to a humidity level of 75% that envelops the landscape. Such weather conditions create a lush, vibrant atmosphere, making September an interesting time to explore the region, while also reminding visitors to stay prepared for the frequent rains.
In Waihai, China, September marks a transition from the intense heat of summer to milder autumn temperatures. With minimums around 22°C (72°F) and average highs reaching 35°C (96°F), the month showcases a significant drop from the soaring temperatures of July and August. Daytime warmth persists, encouraging outdoor activities, while the average temperature of 29°C (84°F) suggests a comfortable climate for exploration. Visitors can expect warm days complemented by cooler evenings, making early autumn an ideal time to enjoy Waihai’s vibrant landscapes and local culture before the cooler months set in.
September in Waihai, China, marks a notable transition in precipitation patterns as the summer's heavy rains give way to the onset of autumn. With 235 mm (9.3 in) of rainfall over 23 days, September continues the trend of significant moisture, albeit a decrease from the peak of 335 mm (13.2 in) experienced in August. This month typically experiences high humidity and cooling temperatures, nurturing a lush and vibrant environment. As the number of rainy days decreases slightly compared to the preceding months, it reflects a gradual shift toward dryer conditions. Overall, September captures the tail end of Waihai's wet season, maintaining a balance between abundant rainfall and hints of the drier months approaching.
September marks a transition in humidity levels in Waihai, China, where the average humidity dips to 75%. This follows the peak summer months of July and August, which experience elevated humidity at 88%, creating a sultry environment. As the seasons shift towards autumn, September's humidity reflects a slight reprieve from the intense moisture of summer. This decrease continues into October, where the humidity drops further to 65%, signaling the onset of drier conditions. Overall, the trend showcases a gradual decline in humidity from the summer months, providing a refreshing change as the year progresses.
As September rolls in, Waihai, China, continues to experience significant sun intensity with a UV Index of 11, categorized as extreme. This month marks a gradual decline from the peak levels observed in May through August, which consistently hovered between 13 and 14. Despite this slight reduction, the burn time remains at just 10 minutes, underscoring the importance of sun protection for residents and visitors alike. As early autumn approaches, a more moderate UV Index of 10 is expected in October, suggesting that while the sun's rays are still potent, there may be some relief on the horizon. To stay informed on the UV Index and plan outdoor activities safely, check out this resource: Waihai UV Index.
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As September rolls in, Waihai, China, basks in 285 hours of sunshine, a radiant continuation of the summer glow that peaks in July with 314 hours. The warm embrace of sunlight gradually starts to diminish after the vibrant month of May, which boasts an impressive 294 hours. Following this trend, September experiences a gentle decline yet remains comfortably bright compared to the earlier months, such as January with only 206 hours. This steady sunshine throughout the year highlights Waihai's favorable climate, making it an inviting destination for those seeking a sunny escape, even as the days grow shorter towards autumn.
In September, Waihai, China experiences a 41% chance of sunny weather, a notable increase compared to the summer months of June and August, which see dismal figures of 11% and 14%, respectively. This indicates a shift towards more favorable conditions as the city moves into autumn. However, the chances remain lower than the peak months of January and November, where sunshine is more likely, at 56% and 61%. As the season transitions, September presents a promising opportunity for those seeking pleasant weather, making it an ideal time to enjoy outdoor activities before the onset of winter.
As September rolls into Waihai, China, daylight begins to gently taper off, offering around 12 hours of light—a continuation of the summer's warmth that lingers just a little longer. This month mirrors the daylight pattern seen in both April and August, illustrating a subtle shift as the vibrant days of summer transition toward the cooler autumn months. Following May and June's peak brightness with 13 hours each, the gradual dimming is a reminder of nature's rhythm, transitioning from the sun-drenched height of summer to the more muted tones of fall. With each month marked by a gradual decrease, September embodies the changing seasons, setting the stage for shorter days as winter approaches.
As summer transitions to autumn, the September wind in Waihai, China, takes on a gentler character, with an average speed of just 1.7 m/s (4 mph). This marks a notable decline from the breezier months earlier in the year, where average wind speeds hovered around 2.9 m/s (6 mph) during late spring and early summer. The trend of diminishing winds continues throughout September, reflecting a calming atmosphere as the year shifts toward cooler temperatures. Interestingly, the wind picks up again in October, reaching 3.8 m/s (8 mph), suggesting that Waihai’s climate is dynamic, with ebbing breezes giving way to more invigorating gusts as autumn settles in.
Weather in Waihai varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Waihai, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather. September experiences warm temperatures, with a minimum of 22°C (72°F) and an average peak of 29°C (84°F), reaching maximum highs of 35°C (96°F). This month is also characterized by substantial rainfall, totaling 235 mm (9.3 in), spread over 23 days, resulting in high humidity levels of 75%. In contrast, January offers much cooler conditions, with a low of 4°C (39°F) and an average temperature of 16°C (62°F), reaching a maximum of 28°C (82°F). Precipitation is significantly lower at 18 mm (0.7 in) over just 2 days, and humidity decreases to 64%. For more detailed information, check Waihai weather in January.
September and February present strikingly different weather patterns. In September, temperatures are notably higher, with a minimum of 22°C (72°F) and an average of 29°C (84°F), peaking at 35°C (96°F). This month also experiences significant rainfall, totaling 235 mm (9.3 in) over 23 days, coupled with high humidity at 75%. In contrast, February is much cooler, with temperatures ranging from a minimum of 5°C (41°F) to an average of 17°C (63°F), and a maximum of 29°C (84°F). Additionally, February sees only 51 mm (2.0 in) of precipitation over 7 days and lower humidity at 68%. For more detailed information, you can refer to Waihai weather in February.
September and March exhibit quite different weather patterns. In September, temperatures range from a minimum of 22°C (72°F) to a scorching maximum of 35°C (96°F), with an average of 29°C (84°F). The month is characterized by high humidity at 75% and significant rainfall, with 235 mm (9.3 in) spread over 23 days. In contrast, March experiences cooler temperatures, starting at a minimum of 10°C (50°F) and peaking at 32°C (90°F), with a more moderate average of 21°C (70°F). Additionally, precipitation is significantly lower at 74 mm (2.9 in) over just 14 days, and humidity is slightly lower at 73%. For a detailed look at weather conditions during this time, you can refer to Waihai weather in March.
In September, the weather is significantly warmer compared to April, with average temperatures reaching 29°C (84°F) and a maximum of 35°C (96°F), while April's average temperature is a cooler 23°C (74°F) with a maximum of 33°C (92°F). Additionally, September sees higher humidity levels at 75%, while April maintains a slightly lower humidity of 71%. Precipitation is also more frequent in September, with rain occurring on 23 days and totaling 235 mm (9.3 in), in contrast to April's 14 rainy days and 124 mm (4.9 in) of precipitation. For more detailed insights on April weather, visit Waihai weather in April.
In September, the weather tends to be quite warm with an average temperature of 29°C (84°F) and high humidity levels around 75%. The month experiences significant rainfall, totaling about 235 mm (9.3 in) over 23 days. In contrast, May offers slightly cooler temperatures, with an average of 27°C (81°F) and a minimum of 15°C (60°F). While May's maximum temperature can reach up to 36°C (97°F), it features less precipitation at 199 mm (7.8 in) over 21 days. Despite the warmer and more humid conditions in September, both months showcase a vibrant atmosphere influenced by the subtropical climate, as highlighted in this link: Waihai weather in May.
In September, the weather remains warm with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 35°C (96°F), similar to June where temperatures vary from 24°C (75°F) to 36°C (96°F). Both months exhibit high humidity levels, around 75% in September and slightly higher at 77% in June. However, September experiences significantly more rainfall, with 235 mm (9.3 in) over 23 days compared to June's 312 mm (12.3 in) over 21 days. For more details, you can check the Waihai weather in June.
In comparison to July, September experiences slightly cooler temperatures, with average highs of 29°C (84°F) compared to July's 30°C (86°F). While both months have a similar number of rainy days, September sees a higher total precipitation at 235 mm (9.3 in) compared to July's 219 mm (8.6 in). Additionally, September has a lower humidity level at 75%, whereas July's humidity peaks at 88%, contributing to a more oppressive heat. For a closer look at July's weather specifics, check out Waihai weather in July.
In comparing the weather between September and August, September shows a slight decrease in temperature, with lows of 22°C (72°F) compared to 25°C (77°F) in August. While both months have an average temperature of 29°C (84°F in September vs. 85°F in August), August experiences higher maximum temperatures, peaking at 37°C (100°F), whereas September's maximum is 35°C (96°F). Additionally, September sees significantly less precipitation, totaling 235 mm (9.3 in) over 23 days, compared to August's 335 mm (13.2 in) over 26 days. Humidity levels also drop in September to 75%, down from August's higher 88%. For more detailed insights on August weather, you can visit Waihai weather in August.
September typically features warmer temperatures, with minimums around 22°C (72°F) and an average of 29°C (84°F), while October sees a significant drop in the minimum temperature to 15°C (60°F) and an average of 25°C (78°F). Both months can reach similar maximum highs of 35°C (95°F) to 36°C (96°F), but October experiences less humidity at 65% compared to September’s 75%. Additionally, October has noticeably reduced rainfall, with only 144 mm (5.7 in) across 11 days, in contrast to September's 235 mm (9.3 in) spread over 23 days. For a more detailed look at October's weather, you can visit Waihai weather in October.
In September, temperatures remain notably high, with averages hitting around 29°C (84°F) and peaks reaching up to 35°C (96°F). The month is characterized by significant humidity at 75% and frequent rainfall, totaling about 235 mm (9.3 in) over 23 days. In stark contrast, November experiences a considerable drop in temperature, with an average of 22°C (71°F), minimums of 13°C (55°F), and maximums reaching 31°C (88°F). The weather in November is much drier, with only 28 mm (1.1 in) of precipitation over 5 days and a reduced humidity level of 64%. For more detailed insights into November's climate, check out Waihai weather in November.
September and December present a stark contrast in weather conditions. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 35°C (96°F), with an average of 29°C (84°F), making it a hot and humid month with significant rainfall of 235 mm (9.3 in) over 23 days. In contrast, December sees much cooler temperatures, with a minimum of 7°C (45°F), an average of 17°C (63°F), and a maximum of 29°C (84°F). Precipitation drops dramatically to just 18 mm (0.7 in) spread over only 3 days, and humidity decreases to 69%. For more detailed information about the weather patterns, check Waihai weather in December.
As September rolls in, Waihai's weather ushers in a noticeable change, characterized by the balmy warmth of late summer. Unlike the peak heat of the previous months, the temperatures become more moderate yet still reach impressive heights. The air is filled with humid conditions, creating a tropical feel that lingers through the month. Rainfall becomes increasingly frequent, with a significant number of precipitation days, marking September as a transitional period towards the wetter season. This blend of warmth and increased moisture not only shapes the daily experience but also nurtures the lush landscapes of Waihai. For a deeper understanding of the region's weather patterns, visit Waihai Climate.