September Weather in Mthatha, South Africa

Last updated: August 31, 2025

In Mthatha, South Africa, September brings a diverse weather experience, with temperatures ranging from a chilly 2°C (36°F) at night to a scorching 37°C (98°F) during the day, averaging around 15°C (60°F). This month sees moderate precipitation, totaling 39 mm (1.5 in) over approximately 6 days, contributing to an overall humidity level of 82%. Whether enjoying the warm sunny days or brisk evenings, September in Mthatha is characterized by its fascinating blend of climate elements.

September Temperature in Mthatha

In September, Mthatha, South Africa, experiences a delightful transition as temperatures begin to warm after the cooler winter months. With a minimum of 2°C (36°F) and an average of just 15°C (60°F), the town starts to shake off the chill, leading to warmer days. However, the highlight of this month is the maximum temperature, which soars to an impressive 37°C (98°F), marking one of the hottest points of the year. This noticeable increase in warmth indicates the approaching summer, making September an ideal time for outdoor activities and exploring Mthatha's scenic beauty, as nature comes alive with favorable weather. Overall, the month serves as a precursor to the hotter days ahead, ensuring that both locals and visitors can enjoy the region’s vibrant atmosphere.

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

The chart illustrates September temperature patterns in Mthatha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mthatha, 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).
JanFebMarAprMayJunJulAugSepOctNovDec686866625855545559616365
Data source: Temperature data for Mthatha generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Mthatha

In September, Mthatha experiences a modest uptick in precipitation, with 39 mm (1.5 in) of rainfall falling over an average of 6 days. This slight increase marks a transition from the drier months of winter, where July recorded a mere 7 mm (0.3 in), to a period of heightened precipitation. This trend suggests the onset of the rainy season, with October soon to follow with a more substantial 98 mm (3.9 in) expected over 12 days. The sporadic showers in September help rejuvenate the landscape, setting the stage for the lush growth that characterizes South Africa's spring months. As the year progresses, the rainfall continues to rise, underscoring a clear shift from the dry winter spell towards wetter conditions.

September Precipitation Trends in Mthatha

The chart displays monthly precipitation patterns in Mthatha, 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 Mthatha, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec12317212711134207383998115153
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Mthatha

In Mthatha, South Africa, September marks a subtle shift in humidity, averaging at 82%. This increase from the drier months of July and August, which dip to 77% and 72% respectively, signals the approach of the wetter season. The humidity begins to rise again, reminiscent of the heavier moisture levels experienced earlier in the year, with the highest readings in the summer months reaching up to 89% in March and April. As the year progresses towards October, where humidity slightly ticks up to 83%, Mthatha transitions back into its more humid climate, preparing for the rains that define the latter part of the year. This trend reflects a natural ebb and flow, characteristic of the region's climate, contributing to the lush landscapes that South Africa is renowned for.

September Average Humidity in Mthatha

This chart illustrates the average monthly humidity levels in Mthatha, 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 Mthatha is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%89%89%88%82%77%72%82%83%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mthatha

As we transition into September in Mthatha, the UV Index reaches 10, categorizing it under the very high exposure level, with a burn time of just 15 minutes. Following the gradual dip in UV Index values during the winter months of June and July, where it hit a moderate 4, September marks a significant uptick, indicating that sun protection is crucial as the warmer months approach. This trend suggests a shift towards more intense sun exposure leading into the summer, where the indices climb back to extreme levels by October. For those enjoying the great outdoors this month, staying informed about the UV Index is essential for safe sun practices. For detailed insights, check out the Mthatha UV Index.

Maximum UV Index Levels in Mthatha for September

The chart shows the monthly maximum UV Index (UVI) for Mthatha 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 Mthatha typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1514129644710121315
Data source: Mthatha 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 Mthatha

As September rolls into Mthatha, South Africa, residents can bask in an impressive 316 hours of sunshine, continuing the upward trend established in the preceding months. This vibrant month features longer daylight hours compared to the cooler winter months, reflecting a significant increase from June's 282 hours. Following the lively August days with 313 hours of sunlight, September strikes a perfect balance, hinting at the promise of even sunnier days ahead. With October leading the way at a remarkable 346 hours, the sunshine in Mthatha remains a compelling reason to enjoy the great outdoors as the seasons shift towards warmer days.

Monthly Sunshine Duration in Mthatha: September Highlighted

The September sunshine duration represents the total number of hours Mthatha 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.
JanFebMarAprMayJunJulAugSepOctNovDec280h300h326h295h302h282h303h313h316h346h325h348h
Data source: Mthatha September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mthatha During September

In Mthatha, South Africa, September brings a moderate chance of sunny weather at 44%, marking a slight increase as the region transitions from the winter months. Following July’s peak of 85%, the likelihood of sun begins to decline but remains notably higher than the rainy season months, which feature significantly lower percentages in the latter part of the year. As autumn approaches, September offers a pleasant balance, with more sunny days compared to most months, capturing the essence of spring and making it an ideal time for outdoor activities. The weather trends suggest a favorable shift towards sunnier days, inviting both residents and visitors to enjoy the vibrant landscapes of the region.

Percentage of Sunny Days in September in Mthatha

The chart illustrates the percentage of sunny days in Mthatha 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 Mthatha experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%21%37%43%71%70%85%64%44%38%27%17%
Data source: Mthatha September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mthatha in September

In Mthatha, South Africa, September marks a subtle transition as daylight begins to extend once more, offering 11 hours of sunlight—an increase from the 10 hours experienced during the heavier winter months of June through August. This slight resurgence in daylight duration signals the shift into spring, following a gradual decline from the summer peak of 14 hours in December. As the year progresses towards October, where sunlight reaches 12 hours, September serves as a gentle reminder of the approaching warmth and vibrancy of longer days ahead, creating an inviting atmosphere for outdoor activities and the beauty of blooming landscapes.

Average Daylight Hours in Mthatha for September

The chart illustrates the variation in daylight duration in Mthatha throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 55m13h 10m12h 14m11h 16m10h 29m10h 6m10h 18m10h 59m11h 54m12h 52m13h 43m14h 9m
Data source: Mthatha daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Mthatha

As September arrives in Mthatha, South Africa, residents enjoy a gentle breeze with an average wind speed of 2.5 m/s (6 mph), a continuation of the mild winds characteristic of the region. Over the months, the wind patterns show a subtle upward trend, particularly noticeable from July onwards, where wind speeds increase from 2.7 m/s to 2.8 m/s in November, suggesting that spring is awakening as it brings a slight refresh to the air. This mild increase in wind speed aids in providing comfort against the lingering winter chill while hinting at the warmer days to come. Overall, September's winds balance beautifully, maintaining peace and vitality as nature transitions.

Average September Wind Speed in Mthatha

The chart displays monthly wind speed patterns in Mthatha, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.42.32.22.32.42.72.62.5 m/s2.62.82.5
Data source: Mthatha September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Mthatha Compares to Other Months

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

In September, temperatures range from a cool 2°C (36°F) at night to a warm 37°C (98°F) during the day, with an average of 15°C (60°F). The weather is relatively dry, with 39 mm (1.5 in) of precipitation over just 6 days, and humidity levels at 82%. In contrast, January sees milder temperatures, with a minimum of 10°C (50°F) and a maximum of 36°C (96°F), averaging around 20°C (68°F). However, it is much wetter, receiving 123 mm (4.8 in) of rain across 17 days, and humidity rises slightly to 88%. For a more detailed comparison of January weather, check out Mthatha weather in January.

September weather features a broader temperature range, with minimums at 2°C (36°F) and maximums peaking at 37°C (98°F), while the average temperature hovers around 15°C (60°F). Precipitation is relatively low, with 39 mm (1.5 in) falling over just 6 days, and humidity sits at 82%. In contrast, February is warmer overall, starting with a minimum temperature of 10°C (50°F) and averaging 20°C (68°F), with a maximum of 35°C (96°F). However, it is also much wetter, with 172 mm (6.8 in) of rain over 19 days, accompanied by higher humidity levels at 88%. For more details on February weather, check out Mthatha weather in February.

When comparing the weather in September and March, notable differences emerge. September experiences a wider temperature range, with minimums dropping to 2°C (36°F) and soaring to maximums of 37°C (98°F), while it maintains an average of 15°C (60°F). Precipitation is generally low, totaling 39 mm (1.5 in) over just 6 days, and humidity levels are at a moderate 82%. In contrast, March presents milder temperatures with a minimum of 9°C (48°F) and an average of 19°C (67°F), while still reaching maximums of 34°C (93°F). However, this month is much wetter, with total precipitation at 127 mm (5.0 in) over 16 days, accompanied by higher humidity at 89%. For more detailed insights, you can visit Mthatha weather in March.

When comparing the weather in September and April, we see some distinct differences. September experiences a wider temperature range, with minimums dropping to 2°C and maximums soaring up to 37°C. In contrast, April begins a bit warmer, with minimum temperatures at 5°C and a cooler peak of 34°C. Precipitation also varies significantly; September sees just 39 mm over 6 days, while April has much heavier rainfall totaling 111 mm across 12 days. Additionally, humidity levels are slightly higher in April at 89%, compared to 82% in September. For a detailed look at April's weather patterns, you can check out Mthatha weather in April.

In September, temperatures can soar as high as 37°C (98°F), creating a stark contrast with May's maximum temperature of 29°C (85°F). Both months share similar minimum temperatures of 2°C (36°F) and average temperatures around 15°C, but September experiences more significant temperature fluctuations. Precipitation levels are slightly higher in September, with 39 mm (1.5 inches) spread over six days, compared to May’s 34 mm (1.3 inches) over five days. The humidity remains relatively high in both months, with September at 82% and May at 88%, making both months feel muggy, although May feels a bit more humid overall. For a closer look at May's climate in Mthatha, you can visit Mthatha weather in May.

When comparing the weather in September and June, September tends to be warmer, showcasing a broader temperature range with a minimum of 2°C (36°F), an average of 15°C (60°F), and a maximum of 37°C (98°F). In contrast, June has cooler temperatures, with a minimum of 0°C (32°F), an average of 13°C (55°F), and a maximum of only 27°C (82°F). Additionally, September experiences more precipitation, with 39 mm (1.5 in) over 6 days, compared to June's 20 mm (0.8 in) over just 2 days. Interestingly, both months share a high humidity level of 82%. For more detailed weather insights for June, you can visit Mthatha weather in June.

When comparing the weather in September and July, September showcases a broader temperature range, with minimums as low as 2°C (36°F) and maximums reaching up to 37°C (98°F), averaging around 15°C (60°F). In contrast, July's temperatures are generally cooler, with minimums dipping to -2°C (28°F) and maximums only reaching 29°C (85°F), averaging 12°C (55°F). Additionally, September experiences more precipitation, totaling 39 mm (1.5 in) over six days, while July sees significantly less rainfall at just 7 mm (0.3 in) over one day. Humidity levels are slightly higher in September at 82%, compared to July's 77%. For more details, you can refer to Mthatha weather in July.

September typically offers a wider range of temperatures compared to August, with minimums rising to 2°C (36°F) and maximums peaking at an impressive 37°C (98°F). In contrast, August sees lower temperatures, ranging from a minimum of 0°C (33°F) to a maximum of 31°C (88°F). Both months experience similar precipitation levels, with September totaling 39 mm (1.5 in) over 6 days and August at 38 mm (1.5 in) over 7 days. Interestingly, September has a higher humidity level at 82%, marking a noticeable increase from August's 72%. For a more detailed look at August weather, you can visit Mthatha weather in August.

In September, temperatures in Mthatha range from a minimum of 2°C (36°F) to a maximum of 37°C (98°F), with an average temperature of 15°C (60°F). The month sees a total precipitation of 39 mm (1.5 in) over six days, with humidity levels at 82%. In contrast, October experiences slightly warmer weather with a minimum of 3°C (38°F) and a comparable maximum of 37°C (99°F), but the average temperature rises to 16°C (62°F). However, October also brings significantly more rain, totaling 98 mm (3.9 in) over 12 days, and the humidity level increases slightly to 83%. For more detailed information on October weather, you can visit Mthatha weather in October.

September and November exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 37°C (98°F), with an average of 15°C (60°F). The month sees relatively low precipitation at 39 mm (1.5 in) over six days, accompanied by a humidity level of 82%. In contrast, November's temperatures shift slightly higher, with a minimum of 6°C (44°F), an average of 17°C (63°F), and a maximum of 36°C (97°F). However, November is substantially wetter, receiving 114 mm (4.5 in) of rain over 17 days, and humidity increases slightly to 87%. For more detailed information, check Mthatha weather in November.

September and December present notable differences in weather patterns. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 37°C (98°F), with an average temperature of 15°C (60°F). The month sees lower precipitation at 39 mm (1.5 in) over 6 days and humidity levels around 82%. In contrast, December offers milder temperatures, with a minimum of 7°C (45°F), an average of 19°C (66°F), and a maximum of 34°C (94°F). However, it experiences significantly higher rainfall, totaling 153 mm (6.0 in) across 20 days, and a bit more humidity at 88%. For more detailed information, you can check Mthatha weather in December.

Compare Mthatha's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Mthatha

As September unfolds in Mthatha, the weather begins to transition, showcasing distinct characteristics that set it apart from other months. The maximum temperatures soar to a sweltering 37°C, while the average dips to a more comfortable 15°C—a stark contrast to the cooler winter months. The minimum temperatures can plummet to 2°C, reminding us that early spring still holds onto some winter chill. Additionally, September witnesses 39 mm of rainfall over approximately 6 days, contributing to a humidity level that hovers around a significant 82%. This blend of warmth, moisture, and occasional showers creates a unique atmosphere, paving the way for the vibrant landscapes of spring. For a deeper understanding of Mthatha's weather patterns, explore the comprehensive insights at Mthatha Climate.