Last updated: August 21, 2025
In September, Manzini, Eswatini, experiences a dynamic climate marked by a maximum temperature soaring to 37°C (99°F), while the average temperature hovers around 20°C (68°F). The month witnesses a cooler minimum of 7°C (46°F), providing a comforting respite from the heat. With 38 mm (1.5 in) of precipitation over 6 days, brief rain showers can be expected, contributing to the region's lush landscapes. The humidity reaches a notable 85%, adding a tropical feel to the vivid early spring atmosphere, making September a month of refreshing contrasts in this vibrant part of Eswatini.
In September, Manzini, Eswatini, experiences a delightful transition as temperatures start to rise following the cooler winter months. With nighttime lows averaging around 7°C (46°F), the air remains crisp, offering refreshing evenings. During the day, however, the mercury can soar to an impressive max of 37°C (99°F), making it one of the warmer months. The average temperature sits comfortably at 20°C (68°F), signaling a clear shift towards the warmer season. Overall, September marks a vibrant time in Manzini, as the region prepares for the impending summer heat, enticing visitors to enjoy the outdoors amidst this pleasant climate.
In September, Manzini experiences a notable uptick in precipitation, receiving 38 mm (1.5 in) of rain over six days. This marks a shift from the drier months of winter, with precipitation levels more than doubling compared to the previous month of August. The onset of spring brings with it a slight increase in rain, preparing the landscape for the more substantial rains expected in October and beyond. September acts as a gentle reminder of the region's seasonal transition, as the days grow more humid and anticipation builds for the lush greenery that the forthcoming rains will nourish.
In September, Manzini experiences a notable 85% humidity, reflecting the region's transition into the warmer months. This month stands out as humidity levels begin to climb after the relatively cooler and drier conditions of winter, evident in August's lower 77% humidity. Interestingly, September shares the same humidity level as both October and November, suggesting a consistent trend of moisture in the air as the year draws to a close. Overall, this month signals a shift from the capriciousness of winter to the more humid conditions that characterize the Eswatini landscape, which not only nurtures the lush greenery but also sets the stage for the truly vibrant summer months ahead.
In September, Manzini experiences a UV Index of 10, categorized as very high, with a recommended burn time of just 15 minutes. This marks an upward shift from the moderate levels seen in June, gradually increasing towards the extreme ranges typical of the end of the year. The consistent trend of elevated UV levels underscores the importance of sun protection during this time, as residents and visitors alike should be mindful of the potential for sunburn. As the seasons change, the UV Index in Manzini continues to remind us of the sun's powerful rays. For detailed daily updates, visit Manzini UV Index.
UV Risk Categories
As the seasons transition in September, Manzini, Eswatini, enjoys a delightful 309 hours of sunshine, maintaining a steady glow that characterizes the early spring month. This figure aligns closely with the sunshine recorded in the preceding months of June and July, suggesting that the sun continues to shine brightly even as the year begins to wind down. Interestingly, September's hours are just slightly below the peak of March and December, which both bask in an impressive 336 hours. This consistency paints a picture of a sun-kissed landscape, where warm rays linger on as nature prepares for the vibrant colors of spring, inviting both locals and visitors to revel in the beauty of Manzini’s climate.
In September, Manzini experiences a 64% chance of sunny weather, continuing the trend of high sunshine that peaks during the mid-year months. Following the sunny July and August, September still enjoys a significant amount of clear skies, though it’s a notable drop from the 87% chance in July. As the region transitions into spring, the likelihood of sunshine begins to taper off, setting the stage for the cloudier months ahead. This makes September an ideal time for outdoor activities before the weather shifts, blending the tail end of winter warmth with the promise of more temperate conditions.
As September unfolds in Manzini, Eswatini, daylight begins to transition toward a longer duration, offering 11 hours of natural light. This marks a slight increase from the shorter days of winter, which hover around 10 hours from June to August. Notably, after a gradual decrease from the peak summer daylight of 13 hours in January, September signals a shift back toward longer days as the region approaches the month of October, where daylight extends again to 12 hours. This ebb and flow of daylight not only influences daily activities but also heralds the approach of hotter months as the year progresses. The rhythmic changes of daylight in Manzini create a captivating backdrop for both residents and visitors alike.
As September rolls into Manzini, Eswatini, the winds pick up slightly, averaging 2.7 m/s (6 mph). This marks a continuation of the gradual increase noticed since August, when the wind speed also reached the same level. Compared to the earlier months of the year, where speeds hovered around 2.0 to 2.5 m/s, September introduces a refreshing breeziness that hints at the approaching spring. This upward trend is indicative of the changing seasons, as October is anticipated to further elevate the average wind speed to 2.9 m/s (6 mph). The gentle winds not only enhance the city's charm but also make it an ideal time for outdoor activities amidst the vibrant landscape of Eswatini.
Weather in Manzini varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Manzini, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, temperatures range from a cool minimum of 7°C (46°F) to an average of 20°C (68°F), peaking at a sweltering 37°C (99°F). The month sees around 38 mm (1.5 in) of precipitation over about six days, with humidity levels high at 85%. In contrast, January experiences milder temperatures with a minimum of 13°C (56°F) and an average of 24°C (75°F), while reaching a maximum of 35°C (96°F). However, it is much wetter, receiving 131 mm (5.2 in) of rainfall over approximately thirteen days and maintaining a slightly lower humidity of 82%. For more details on January weather, check out Manzini weather in January.
September typically features a more diverse temperature range, with daily highs reaching up to 37°C (99°F) but dipping as low as 7°C (46°F), providing a warm yet variable climate. In contrast, February presents a milder temperature range, with minimums around 15°C (59°F) and maximums of 35°C (95°F), resulting in a more consistently warm environment. However, February also sees a significant increase in precipitation, with 170 mm (6.7 in) falling over 16 days, compared to September's 38 mm (1.5 in) over just 6 days, making it a wetter month overall. Humidity levels are slightly lower in February at 81%, compared to September's high of 85%. For more details on the February climate, you can explore Manzini weather in February.
When comparing the weather in September and March, significant differences can be observed. September typically features a lower temperature range, with minimums around 7°C (46°F) and maximums reaching up to 37°C (99°F), leading to an average temperature of 20°C (68°F). In contrast, March presents a warmer climate, with minimum temperatures starting at 14°C (57°F) and maximums of 35°C (96°F), averaging 23°C (74°F).
Additionally, September experiences less precipitation, averaging 38 mm (1.5 in) over 6 days, while March sees more rainfall, totaling 88 mm (3.5 in) across 12 days. The humidity levels are relatively similar, with September at 85% and March slightly lower at 80%. For a more detailed breakdown of March weather, you can check out Manzini weather in March.
Comparing the weather in September and April reveals some interesting differences. In September, the temperatures range from a minimum of 7°C (46°F) to a maximum of 37°C (99°F), with an average of 20°C (68°F). Conversely, April starts with slightly milder temperatures, with a minimum of 10°C (51°F) and a maximum of 36°C (97°F), averaging 21°C (71°F). When it comes to precipitation, September experiences about 38 mm (1.5 in) over 6 days, while April sees increased rainfall totaling 55 mm (2.2 in) across 8 days. Despite the greater amount of rain in April, humidity levels are relatively close, with September at 85% and April at 82%. For more detailed insights into the weather during this period, you can check Manzini weather in April.
When comparing the weather in September and May, we see some notable differences and similarities. September typically experiences a wider temperature range, with minimums around 7°C (46°F) and maximums reaching as high as 37°C (99°F), compared to May, which has temperatures ranging from a minimum of 6°C (44°F) to a maximum of 32°C (90°F). Although the average temperatures are quite close—20°C (68°F) in September and 19°C (66°F) in May—September tends to be warmer overall.
Precipitation levels are also higher in September, with 38 mm (1.5 in) falling over six days, while May sees less rainfall, just 20 mm (0.8 in) over four days. Humidity levels remain quite similar, hovering at 85% in September and 86% in May. For more detailed information on May weather, you can check out Manzini weather in May.
In comparing the weather of September and June, September tends to be warmer, with average temperatures reaching 20°C (68°F) and highs of up to 37°C (99°F). In contrast, June features cooler conditions, averaging 16°C (62°F) with a maximum of 32°C (90°F). Additionally, September experiences more precipitation, totaling 38 mm (1.5 in) over about 6 days, while June has much less rainfall at 15 mm (0.6 in) across just 2 days. The humidity is also higher in September at 85%, compared to June's 78%. For more details, you can check Manzini weather in June.
In comparing the weather of September and July, September presents a wider temperature range, with minimums reaching 7°C (46°F) and maximums soaring to 37°C (99°F), while July has lower maximum temperatures peaking at 33°C (91°F) and minimums at 4°C (40°F). Furthermore, September experiences greater average temperatures overall, averaging 20°C (68°F), compared to July's average of 16°C (61°F). September also sees increased precipitation at 38 mm (1.5 in) over 6 days, whereas July is relatively dry, recording only 4 mm (0.2 in) on 1 day. The humidity levels are similar, with September at 85% and July at 81%. For more information on the specifics of July weather, visit Manzini weather in July.
In September, the weather shows a slight increase in temperature compared to August, with minimums of 7°C (46°F) and maximums reaching as high as 37°C (99°F). The average temperature in September is 20°C (68°F), which is warmer than August's average of 18°C (64°F). Additionally, September experiences more rainfall, totaling 38 mm (1.5 in) over 6 days, whereas August has lower precipitation at 27 mm (1.1 in) for the same number of rainy days. The humidity also rises to 85% in September, compared to 77% in August, indicating a more humid atmosphere as summer transitions to fall. For further details about the weather conditions, you can visit Manzini weather in August.
In September, the weather typically sees a range of temperatures with a minimum of 7°C (46°F) and an average of 20°C (68°F), reaching a high of 37°C (99°F). The month experiences about 38 mm (1.5 in) of precipitation over approximately 6 days, with humidity levels sitting at 85%.
October, on the other hand, presents slightly warmer mornings with a minimum temperature of 10°C (50°F) and maintains a similar average of 20°C (69°F). The maximum temperature peaks at 38°C (100°F), but the month brings increased rainfall, totaling 73 mm (2.9 in) spread across about 12 days, while humidity remains constant at 85%.
For a detailed look at the weather specifics in October, you can refer to Manzini weather in October.
In September, temperatures in Manzini typically range from a minimum of 7°C (46°F) to a maximum of 37°C (99°F), with an average of 20°C (68°F). The month experiences relatively low precipitation, totaling 38 mm (1.5 in) over about 6 days, while humidity remains high at 85%. In contrast, November sees a rise in temperature, with a minimum of 12°C (53°F) and a maximum reaching 39°C (102°F), resulting in an average temperature of 22°C (72°F). However, November is significantly wetter, with precipitation increasing to 104 mm (4.1 in) over 13 days, while humidity stays constant at 85%. For more detailed information, you can visit Manzini weather in November.
September and December in Manzini exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 7°C (46°F) to a maximum of 37°C (99°F), with an average temperature of 20°C (68°F). The month also experiences relatively low precipitation of 38 mm (1.5 in) over 6 days, along with high humidity at 85%. In contrast, December sees warmer temperatures, with a minimum of 14°C (57°F) and an average of 23°C (75°F), while still peaking at 37°C (99°F). However, it also experiences significantly higher precipitation of 111 mm (4.4 in) distributed over 16 days, maintaining a slightly lower humidity of 84%. For more detailed information about December weather, you can visit Manzini weather in December.
September in Manzini marks a transition into warmer days, characterized by a notable increase in temperatures compared to the cooler months preceding it. With average highs reaching up to 37°C (99°F), the warm weather invites outdoor activities, though the evenings can still show a gentle chill. This month also experiences a modest amount of precipitation—38 mm over six days—signifying the end of the dry season but not overwhelming humidity, which sits at 85%. Overall, September's weather offers a pleasant mix of warmth and refreshing rains, making it a unique time to explore the beauty of Manzini. For more details, check out Manzini Climate.