September Weather in Centurion, South Africa

Last updated: August 31, 2025

In September, Centurion, South Africa experiences a dynamic blend of weather characteristics that signals the transition into spring. With a maximum temperature reaching a steamy 35°C (95°F) and an average daily warmth of 19°C (67°F), residents and visitors alike can expect warm days. However, the nights may surprise with cooler lows of 3°C (38°F). Despite only 2 days of measurable precipitation totaling 7 mm (0.3 in), the air maintains a humidity level of 65%, creating a refreshing atmosphere that highlights the region’s vibrant seasonal changes. Embrace the warmth and the fresh spring feeling that September brings!

September Temperature in Centurion

As September unfolds in Centurion, South Africa, temperatures begin to showcase a delightful transition from the chilly grip of winter to the warmth of spring. With nighttime lows around 3°C (38°F), the mornings can feel brisk, but the days offer a pleasant respite with averages hitting 19°C (67°F) and maximums soaring up to 35°C (95°F). This month stands out as a critical turning point, marking a noticeable rise in warmth compared to the cooler depths of July and August. As nature stirs back to life, the increasing daylight and warmth set an inviting tone for outdoor activities and exploration, making September a perfect time to enjoy the vibrant landscapes of this beautiful region.

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

The chart illustrates September temperature patterns in Centurion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Centurion, 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).
JanFebMarAprMayJunJulAugSepOctNovDec727170645954546067697172
Data source: Temperature data for Centurion 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 Centurion

September in Centurion, South Africa, marks a noticeable transition as the winter dry spell begins to wane. With a modest precipitation amount of 7 mm (0.3 in), the month sees rainfall on just two days, hinting at the onset of spring's rejuvenating showers. This slight uptick in moisture is a precursor to the more substantial rains that follow in October and November, where monthly totals rise significantly. Reflecting on the trend, September serves as a bridge, connecting the parched winter months to the wetter periods that are characteristic of the upcoming months, revitalizing both the landscape and the local ecosystem.

September Precipitation Trends in Centurion

The chart displays monthly precipitation patterns in Centurion, 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 Centurion, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec10812364481352275482150
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Centurion

In September, Centurion experiences a modest humidity level of 65%, which marks a slight increase from the drier months of June and August. This rise hints at the transition into the warmer spring season, as humidity levels begin to climb from their winter lows. The data highlights a general trend of increasing moisture, peaking in the warmer months, with January and December typically showcasing the highest humidity at 70% and 72% respectively. As the region moves towards the end of the year, the fluctuation in humidity reflects the seasonal shifts, setting the atmosphere for a vibrant spring bloom.

September Average Humidity in Centurion

This chart illustrates the average monthly humidity levels in Centurion, 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 Centurion is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%65%64%64%65%61%64%61%65%61%68%72%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Centurion

September in Centurion, South Africa, showcases a notable shift in UV intensity as the month registers an UV Index of 11, placing it in the extreme exposure category. This indicates that skin can burn in as little as 10 minutes, similar to the intense conditions experienced earlier in the year. Following the peak of January’s 16, there’s a gradual decline over the colder months until it bounces back to extreme levels once the spring approaches. Notably, this month is a reminder for residents and visitors alike to stay vigilant and protect their skin from sun damage. As you enjoy the sunny days, be sure to stay informed about the UV levels—check the details at Centurion UV Index.

Maximum UV Index Levels in Centurion for September

The chart shows the monthly maximum UV Index (UVI) for Centurion 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 Centurion typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151310766911131416
Data source: Centurion 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 Centurion

As September rolls into Centurion, South Africa, residents bask in the delightful embrace of 337 hours of sunshine, marking a peak in the year’s radiant offerings. Following the vibrant glow of winter, which showcased consistent sunshine hours, September offers a seamless transition into spring as daylight grows longer. While the sunny conditions have been gradually building since the depths of winter with 299 hours in June, September stands out in a trajectory that leads into the festival of light that is October. With 364 hours looming just ahead, September effectively sets the stage for a splendid finale to the year, where sunshine becomes not just a weather pattern, but a celebration of warmth and growth.

Monthly Sunshine Duration in Centurion: September Highlighted

The September sunshine duration represents the total number of hours Centurion 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.
JanFebMarAprMayJunJulAugSepOctNovDec312h321h354h319h320h299h314h330h337h364h374h374h
Data source: Centurion September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Centurion During September

In Centurion, South Africa, the month of September boasts a striking 82% chance of sunny weather, aligning it closely with the sunny skies of the preceding winter months. This demonstrates a notable trend as sunshine begins to prevail after the colder season, maintaining consistency with August's 82%. Moreover, as spring unfolds, the likelihood of sunny days remains significantly higher compared to the early months of the year, where the chances of sun hover at a modest 30% in January and rise gradually through the next few months. By September, as daylight lengthens and temperatures start to warm, residents and visitors can expect a delightful mix of sun and warmth, paving the way for outdoor activities and picturesque landscapes.

Percentage of Sunny Days in September in Centurion

The chart illustrates the percentage of sunny days in Centurion 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 Centurion experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%34%66%80%83%85%94%82%82%61%58%41%
Data source: Centurion September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Centurion in September

As September unfolds in Centurion, South Africa, residents can enjoy 11 hours of daylight, mirroring the mild light of August. This period signifies a gradual transition towards longer days, as the daylight duration starts to increase again leading into October. Following the peak summer months of January and November, which bask in 13 hours of sunlight, the trend shows a steady retreat through the cooler winter months before returning to a welcoming wave of natural light. With September marking a sweet spot of balance between summer and autumn, the gentle daylight beckons outdoor activities and scenic adventures in this vibrant locale.

Average Daylight Hours in Centurion for September

The chart illustrates the variation in daylight duration in Centurion throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 31m12h 56m12h 12m11h 27m10h 50m10h 32m10h 41m11h 13m11h 56m12h 41m13h 21m13h 42m
Data source: Centurion daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Centurion

As September rolls into Centurion, South Africa, the wind picks up its pace, with an average speed of 3.5 m/s (8 mph), maintaining the breezy momentum established in the previous month. This slight decrease from August's 3.6 m/s marks the transition into spring, a time when the winds begin to breathe life into the landscape. Interestingly, the wind speed sees a gradual rise starting from the cooler months, with October expected to bring a mild increase to 3.7 m/s as the season matures. Overall, September strikes a balance, showcasing a consistency in breezy conditions that foreshadow the warmer days ahead, while hinting at an energetic October that follows.

Average September Wind Speed in Centurion

The chart displays monthly wind speed patterns in Centurion, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.22.72.52.42.72.82.93.63.5 m/s3.73.83.0
Data source: Centurion September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Centurion Compares to Other Months

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

September weather typically features a wider temperature range, with minimums dropping to around 3°C (38°F) and maximums peaking at 35°C (95°F). It remains relatively dry during this month, with only 7 mm (0.3 in) of precipitation over just 2 days and an average humidity of 65%. In contrast, January presents warmer overall conditions, with minimum temperatures around 11°C (52°F) and maximums reaching 36°C (97°F). Unlike September, January experiences significantly more rainfall, totaling 108 mm (4.3 in) across 11 days and slightly higher humidity at 70%. For more detailed information, you can visit Centurion weather in January.

September and February present stark contrasts in weather conditions. September typically sees a temperature range from a cool 3°C (38°F) at night to a warm 35°C (95°F) during the day, with an average of 19°C (67°F). It is relatively dry, receiving only 7 mm (0.3 in) of precipitation over just 2 days, paired with a stable humidity level of 65%. In contrast, February is notably warmer, with minimum temperatures of 13°C (55°F) and daytime highs reaching 34°C (94°F), averaging around 22°C (72°F). However, February is much wetter, experiencing 123 mm (4.8 in) of rain over 14 days, while maintaining the same humidity level of 65%. For further details on February’s weather, check out Centurion weather in February.

In comparing the weather between September and March, we find notable differences in temperature and precipitation patterns. September typically sees a broader temperature range with minimums around 3°C (38°F), averaging 19°C (67°F), and maximums peaking at 35°C (95°F). This month experiences minimal rainfall, averaging just 7 mm (0.3 in) over only 2 days and maintaining a humidity level of 65%.

In contrast, March boasts milder minimum temperatures starting at 10°C (50°F) and an average of 21°C (70°F), with maximums reaching a comfortable 34°C (94°F). However, March is significantly wetter, with precipitation totaling 64 mm (2.5 in) spread over 7 days, while humidity remains slightly lower at 64%. For a more detailed look at conditions during this month, you can check out Centurion weather in March.

When comparing the weather in September and April, notable differences emerge in temperature and precipitation patterns. September typically features a wider temperature range, with minimums hitting 3°C (38°F) and maximums reaching up to 35°C (95°F), while averaging around 19°C (67°F). In contrast, April presents milder conditions, with minimum temperatures around 8°C (46°F) and maximums peaking at 32°C (89°F), leading to a more consistent average of 18°C (65°F). Precipitation also varies significantly; September has only 7 mm (0.3 in) of rain over just 2 days, whereas April sees a much wetter climate with 48 mm (1.9 in) spread across 8 days. Both months boast relatively similar humidity levels, hovering around 63-65%. For more detailed information, check out Centurion weather in April.

September and May exhibit distinct weather characteristics. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 35°C (95°F), with an average of 19°C (67°F). This month experiences only 7 mm (0.3 in) of precipitation over 2 days, alongside a humidity level of 65%. In contrast, May tends to be cooler, with temperatures varying from a minimum of 2°C (36°F) to a maximum of 28°C (84°F), yielding an average temperature of 15°C (60°F). May also sees slightly higher precipitation at 13 mm (0.5 in), occurring over just 1 day, and a very similar humidity level of 64%. For a more detailed look at May's conditions, visit Centurion weather in May.

September and June showcase distinct weather patterns. September experiences a wider temperature range, with minimums dipping to 3°C (38°F) and maximums soaring up to 35°C (95°F), while June has cooler temperatures, with lows around 0°C (32°F) and heights reaching only 26°C (79°F). Precipitation is slightly more common in September, averaging 7 mm over 2 days, compared to June's drier conditions with only 5 mm and no recorded rainy days. Humidity levels are similar, with September at 65% and June at 61%, making both months feel relatively comfortable. For a detailed look at June weather, you can visit Centurion weather in June.

In comparing the weather between September and July, September proves to be significantly warmer, with average temperatures reaching 19°C (67°F) and maximums soaring up to 35°C (95°F). In contrast, July presents a cooler climate, featuring an average of just 12°C (54°F) and highs of 26°C (79°F). Precipitation is more common in September, albeit still minimal at 7 mm (0.3 in) over two days, whereas July boasts an even drier profile with only 2 mm (0.1 in) and no recorded rainy days. The humidity levels remain quite similar, sitting at 65% in September and 64% in July. For a detailed look at July weather in Centurion, you can visit Centurion weather in July.

September generally experiences warmer temperatures compared to August, with minimums around 3°C (38°F) and maximums peaking at 35°C (95°F) in September, versus minimums of 1°C (35°F) and maximums of 29°C (85°F) in August. The average temperature in September is also notably higher at 19°C (67°F) compared to August’s average of 16°C (61°F). Additionally, September sees slightly more precipitation, totaling 7 mm (0.3 in) over two days, while August had minimal rain at just 2 mm (0.1 in) without any recorded precipitation days. Humidity levels are similar, with September at 65% and August at 61%. For more detailed insights, visit Centurion weather in August.

In September, the weather features a broad temperature range, with minimums dipping to 3°C (38°F) and maximums reaching up to 35°C (95°F), averaging a comfortable 19°C (67°F). The month experiences only light precipitation, totaling 7 mm (0.3 in) over just 2 days, and maintains a humidity level of 65%. In contrast, October brings slightly warmer temperatures, with minimums starting at 7°C (45°F) and averaging at 21°C (69°F), while the maximums can peak at 36°C (97°F). However, October is considerably wetter, seeing 54 mm (2.1 in) of rainfall over 7 days, and humidity levels drop slightly to 61%. For a more detailed look at October weather, you can visit Centurion weather in October.

September and November showcase distinct contrasts in weather patterns. September tends to have cooler temperatures, with a minimum of 3°C (38°F) and an average of 19°C (67°F), while November warms up slightly, featuring a minimum of 7°C (45°F) and an average of 22°C (71°F). While both months can reach a maximum of 35°C (95°F), November is much wetter, receiving 82 mm (3.2 in) of precipitation over 12 days compared to just 7 mm (0.3 in) over 2 days in September. Humidity levels also increase slightly from 65% in September to 68% in November, leading to a more humid climate as the year progresses. For more specific details on weather conditions, you can check Centurion weather in November.

September and December showcase contrasting weather patterns. In September, temperatures range from a cool 3°C (38°F) at night to a warm 35°C (95°F) during the day, providing an average of 19°C (67°F). The month experiences minimal rainfall, with just 7 mm (0.3 in) over 2 days and a humidity level of 65%. Conversely, December is noticeably warmer, starting at a milder 12°C (53°F) at night and reaching a peak of 35°C (96°F) during the day, with an average temperature of 22°C (72°F). However, December is also characterized by significantly heavier rainfall, accumulating 150 mm (5.9 in) over 15 rainy days, alongside a slight increase in humidity to 72%. This stark contrast makes each month unique in its climatic offerings. For more details, check the Centurion weather in December.

Compare Centurion's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Centurion

September in Centurion marks a noticeable transition in weather, as the region shifts from the chill of winter to the warmth of spring. With an average temperature reaching a comfortable 19°C (67°F), days are becoming increasingly pleasant, while still experiencing occasional cooler nights. The low precipitation levels of just 7 mm over two days highlight September's drier conditions compared to the wetter summer months, making it an ideal time for outdoor activities. With humidity hovering around 65%, the air feels refreshing without becoming overly sticky, creating a perfect backdrop for enjoying the blooming landscapes. For a deeper dive into the climate throughout the year, be sure to check out Centurion Climate.