September Weather in Siavonga, Zambia

Last updated: August 28, 2025

In September, Siavonga, Zambia, experiences warm and dry conditions, with maximum temperatures soaring to 38°C (100°F) and an average of 26°C (80°F). Nights bring a refreshing coolness, with temperatures dipping to a minimum of 14°C (58°F). The region enjoys an arid climate this month, recording a mere 2 mm (0.1 in) of precipitation over 0 days, leaving behind a crisp atmosphere with about 37% humidity. This blend of warmth and minimal rainfall makes September an ideal moment for outdoor activities in this picturesque lakeside town.

September Temperature in Siavonga

In September, Siavonga, Zambia experiences a transition that hints at the warm embrace of the approaching summer. With minimum temperatures starting at a comfortable 14°C (58°F) and reaching up to a sizzling 38°C (100°F), the average temperature stabilizes around 26°C (80°F). This month showcases a blend of warmth and sun, as the highs begin to climb toward the peak temperatures seen in October. As the dry season continues, visitors can anticipate a delightful mix of warm, sunny days perfect for exploring the stunning natural scenery of the region, while the cooler evenings invite relaxation under the stars.

September Weather in Siavonga: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Siavonga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siavonga, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec797980787470697480848582
Data source: Temperature data for Siavonga generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Siavonga

In September, Siavonga, Zambia, experiences a stark transition as the dry winter months conclude, with precipitation dropping to a mere 2 mm (0.1 in). This marks a continuation of a notably arid period, as the previous month, August, recorded no rainfall at all. With September featuring zero rainfall days, the landscape continues to bask in the dry warmth, setting the stage for the impending rainy season. In fact, this month serves as a prelude, leading into October's slight uptick in precipitation, which typically begins to rejuvenate the region. The sharp contrast between the lush, rainy January—which boasts an impressive 241 mm (9.5 in) spread over 18 days—and the dry spell through September highlights the distinctive seasonal patterns that define Siavonga's climate, drawing attention to the cyclicality of its weather.

September Precipitation Trends in Siavonga

The chart displays monthly precipitation patterns in Siavonga, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Siavonga, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec24124312734922021260172
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Siavonga

In September, Siavonga experiences a noticeable drop in humidity, with levels plummeting to 37%. This marks a significant decline from the more humid days earlier in the year, particularly from the highs of 87% in January and 84% in February. As the dry season takes hold, humidity levels consistently decrease from August's 47%, reflecting a trend towards drier conditions that will continue into October, where humidity reaches its annual low at 33%. The transition from the wet months to this period of dryness is stark, offering a refreshing change and a more comfortable climate for residents and visitors alike.

September Average Humidity in Siavonga

This chart illustrates the average monthly humidity levels in Siavonga, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Siavonga is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%84%80%70%61%60%55%47%37%33%56%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Siavonga

In September, Siavonga, Zambia, experiences a UV Index of 11, categorizing it as extreme with a burn time of just 10 minutes. This month marks a continuation of the high UV conditions witnessed throughout the year, with values consistently remaining between 10 and 17 from January to August. After several months of very high UV exposure, September's index signifies a slight increase towards more intense conditions as it transitions to the higher levels noted in October and November. With such impactful UV radiation levels, it's crucial for residents and visitors alike to take appropriate precautions. For more insights on the UV Index throughout the year, visit Siavonga UV Index.

Maximum UV Index Levels in Siavonga for September

The chart shows the monthly maximum UV Index (UVI) for Siavonga in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Siavonga typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1716141210881011121415
Data source: Siavonga September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Siavonga

September in Siavonga, Zambia, is a splendid offering of sunshine, boasting 339 hours of radiant daylight. As the year progresses, the trend shows a consistent abundance of sunlight, peaking in October with 360 hours. March leads the pack with its impressive 343 hours, closely followed by April and May, creating a vibrant spring atmosphere. This sunny spell continues into the latter months, with September comfortably nestled in the upper range, promising ideal conditions for outdoor activities and relaxation. As the warm days of late winter transition into a sun-drenched spring, Siavonga shines brightly, inviting both locals and visitors to revel in the glorious climate.

Monthly Sunshine Duration in Siavonga: September Highlighted

The September sunshine duration represents the total number of hours Siavonga experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec268h288h343h330h338h317h331h338h339h360h346h350h
Data source: Siavonga September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Siavonga During September

In Siavonga, Zambia, the likelihood of sunny weather in September is notably high at 90%, making it one of the sunniest months of the year. This trend emerges from a gradual increase in sunshine starting in early months, with January seeing only an 18% chance. As the months progress, the chances rise significantly, culminating in August's impressive 94%. The sunny conditions continue into September, offering a splendid backdrop for outdoor activities and explorations. This robust trend of increasing sunshine further solidifies Siavonga's reputation as a delightful destination for those seeking bright and warm September days.

Percentage of Sunny Days in September in Siavonga

The chart illustrates the percentage of sunny days in Siavonga throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Siavonga experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%22%55%70%83%77%75%94%90%77%58%46%
Data source: Siavonga September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Siavonga in September

In Siavonga, Zambia, September marks a transitional period in daylight duration, with the sun gracing the day for 11 hours. This trend of consistent daylight, observed since April, reflects the shift towards shorter days as the region progresses into the cooler months. Following the steady 12 hours of sunlight from January to March, a gradual decline to 11 hours lasts from April through September, indicating a rhythm of seasonal change. As the calendar turns towards October, daylight begins to extend again, heralding a return to longer, brighter days, setting the stage for the vibrant months ahead as the year approaches its end. The pattern underscores the balanced cycle of daylight that characterizes this beautiful region, offering both predictability and charm.

Average Daylight Hours in Siavonga for September

The chart illustrates the variation in daylight duration in Siavonga throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 58m12h 36m12h 9m11h 41m11h 19m11h 8m11h 14m11h 33m11h 59m12h 27m12h 52m13h 5m
Data source: Siavonga daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Siavonga

As September rolls into Siavonga, Zambia, the winds begin to pick up, reaching an average speed of 3.6 m/s (8 mph), marking a noticeable shift in the seasonal breeze. This increase is part of a gentle upward trend observed toward the end of winter; August already hinted at this transition with its own uptick to 2.9 m/s (6 mph). September's winds bring a refreshing change, providing a delightful contrast to the calmer months earlier in the year, which typically hovered below 3 m/s. This rise in wind speed not only enhances the region's appeal for outdoor activities but also signals the approaching warmer months ahead, making September a vibrant time for both locals and visitors alike.

Average September Wind Speed in Siavonga

The chart displays monthly wind speed patterns in Siavonga, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.32.22.62.22.22.32.93.6 m/s3.63.02.8
Data source: Siavonga September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Siavonga Compares to Other Months

Weather in Siavonga varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Siavonga, focusing on differences in temperature, rainfall, humidity, and UV levels.

In September, the weather is generally warm and dry, featuring temperatures that range from a minimum of 14°C (58°F) to a maximum of 38°C (100°F), with an average temperature of 26°C (80°F) and just 2 mm (0.1 in) of precipitation over 0 days, resulting in a humidity level of 37%. In contrast, January is much wetter and more humid, with temperatures starting from a minimum of 21°C (69°F) and peaking at 35°C (95°F), while maintaining the same average of 26°C (80°F). January sees a significant increase in rainfall with 241 mm (9.5 in) spread over 18 days, leading to a humidity level of 87%. For more details, you can check Siavonga weather in January.

When comparing the weather in September and February, it's clear that both months offer unique climatic characteristics. September features average high temperatures around 26°C (80°F) and enjoys a much drier atmosphere with only 2 mm of precipitation and 0 rainy days, resulting in a low humidity level of 37%. In contrast, February experiences warmer minimum temperatures averaging 22°C (71°F) and can reach up to 36°C (96°F) at its peak. However, it is significantly wetter, with a staggering 242 mm of rainfall over 23 days and a much higher humidity level of 84%. For more detailed insights, check out Siavonga weather in February.

In September, the weather tends to be hot and dry, with average temperatures around 26°C (80°F) and a maximum reaching up to 38°C (100°F). The humidity is relatively low at 37%, and the month sees virtually no precipitation, making it a great time for outdoor activities. In contrast, March experiences warmer minimum temperatures of 19°C (67°F) and averages around 27°C (80°F), but it is considerably wetter, with 127 mm (5.0 in) of rainfall spread over 15 days. The higher humidity at 80% in March contributes to a rather different feel, making it a more humid and rainy period compared to the dry heat of September. For more specific insights, check out Siavonga weather in March.

When comparing the weather in September and April, notable differences emerge, particularly in temperature and humidity levels. September typically enjoys warmer maximum temperatures, peaking at 38°C (100°F), while April's maximum reaches a slightly cooler 35°C (95°F). Interestingly, September has lower humidity at 37%, contrasting with April's significantly higher 70%, which contributes to a more comfortable feel despite the warmer temperatures. Additionally, precipitation levels differ markedly, with September experiencing little to no rain, averaging only 2 mm over zero days, compared to April's 34 mm spread across five days of rainfall. For more detailed information, you can check Siavonga weather in April.

In September, temperatures typically range from a minimum of 14°C (58°F) to a maximum of 38°C (100°F), with an average temperature of 26°C (80°F). The month is characterized by low precipitation, averaging just 2 mm (0.1 in) without any rainy days and a relatively low humidity of 37%. In contrast, May experiences milder weather, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 33°C (91°F) and an average of 23°C (74°F). There is slightly more precipitation in May, totaling 9 mm (0.4 in) over one rainy day, and higher humidity at 61%. Overall, September is hotter and drier, while May offers cooler temperatures and a touch of humidity. For more detailed information, visit Siavonga weather in May.

In September, the weather is generally warmer than in June, with average temperatures reaching 26°C (80°F) compared to June's 21°C (70°F). September can experience higher maximum temperatures, peaking at 38°C (100°F), whereas June's maximum is a milder 30°C (86°F). Both months see minimal precipitation of just 2 mm (0.1 in) and no rainy days, but September has lower humidity at 37%, making it feel less muggy than June, which has a humidity level of 60%. For a detailed look at the climate, check out Siavonga weather in June.

In September, the weather is notably warmer than in July, with average temperatures reaching 26°C (80°F) compared to July's cooler 20°C (69°F). September also experiences maximum temperatures soaring up to 38°C (100°F), while July's peak is a more moderate 30°C (86°F). Both months see minimal precipitation at just 2 mm (0.1 in) with no rainy days, yet September enjoys much lower humidity at 37%, compared to July's higher humidity level of 55%. For more insights on the weather in July, you can visit Siavonga weather in July.

September typically showcases warmer temperatures compared to August, with average highs reaching 38°C (100°F) compared to August's maximum of 35°C (95°F). While both months experience minimal precipitation, September records only 2 mm (0.1 in) with no rainy days, similar to August which also had no rainfall. Additionally, humidity levels in September are lower at 37%, in contrast to August's higher humidity at 47%. For more detailed insights, you can refer to Siavonga weather in August.

In September, the weather is characterized by warm temperatures, with a minimum of 14°C (58°F) and an average of 26°C (80°F), peaking at a sweltering 38°C (100°F). This month experiences minimal precipitation, averaging only 2 mm, and boasts zero rainy days, along with a humidity level of 37%.

Conversely, October brings slightly warmer temperatures with a minimum of 19°C (66°F) and an average of 29°C (85°F), reaching a maximum of 41°C (106°F). Rainfall increases to 12 mm and there is one day of precipitation, while humidity drops to 33%. For more detailed information, visit Siavonga weather in October.

In September, the weather boasts a pleasant warmth with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 38°C (100°F), averaging around 26°C (80°F). This month experiences minimal rainfall, with just 2 mm (0.1 in) and no rainy days, accompanied by low humidity at 37%. In contrast, November sees higher temperatures, with a minimum of 21°C (71°F) and a maximum of 40°C (104°F), averaging 29°C (85°F). However, November is considerably wetter, receiving 60 mm (2.3 in) of precipitation over 9 days, and it also brings increased humidity at 56%. For more details on November weather, visit Siavonga weather in November.

In comparing the weather between September and December, it's clear that December is significantly warmer and wetter. September boasts a pleasant average temperature of 26°C (80°F), with maximums reaching up to 38°C (100°F) and a notably low humidity of 37%. In stark contrast, December experiences a higher average temperature of 28°C (83°F), with maximums peaking at 39°C (102°F), but it also brings much higher humidity at 80% and substantial precipitation, totaling 172 mm (6.8 in) over 18 days. This marked difference in weather patterns highlights the transition from the dry, hot atmosphere of September to the wetter, more humid conditions of December. For more details, you can check Siavonga weather in December.

Compare Siavonga's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Siavonga

September in Siavonga brings a delightful transition into the warmer season, marked by warm temperatures and a striking lack of precipitation. With an average of 26°C (80°F), the weather is pleasantly warm, making outdoor activities more enjoyable. Compared to the wetter months, September boasts low humidity levels and no rainfall, creating a crisp, dry atmosphere that is perfect for exploring the stunning landscapes. This distinct shift makes September an ideal time to visit Siavonga, as the weather invites both relaxation and adventure. For more insights on the region's climate, check out Siavonga Climate.