September Weather in Richmond, Australia

Last updated: February 25, 2025

September in Richmond, Australia ushers in a seasonal shift with temperatures ranging from a minimum of 2°C (35°F) to a sizzling maximum of 34°C (93°F), averaging a comfortable 15°C (58°F). This month experiences a moderate precipitation level of 37 mm (1.5 in), spread across approximately 6 days, contributing to a humidity level of 63%. As spring unfolds, residents and visitors can expect a delightful mix of warm days and refreshing showers, making it a vibrant time to explore the natural beauty of the region.

September Temperature in Richmond

In September, Richmond, Australia transitions from the chilly grip of winter to the gentle embrace of spring. With temperatures ranging from a minimum of 2°C (35°F) to a maximum of 34°C (93°F), this month heralds warmer days and milder nights. The average temperature hovers around 15°C (58°F), indicating a noteworthy uptick from the preceding months. As nature awakens, residents can enjoy an array of outdoor activities amidst blooming flora, while the occasional heat spike serves as a reminder of the approaching summer. Overall, September embodies a refreshing blend of cool mornings and warmer afternoons, showcasing Richmond’s invigorating seasonal change.

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

The chart illustrates September temperature patterns in Richmond, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec747168635652515358636671
Data source: Temperature data for Richmond 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 Richmond

As September rolls into Richmond, Australia, the weather remains relatively consistent with the preceding months, recording 37 mm (about 1.5 inches) of rainfall over six days. This steady precipitation level mirrors the slight dampness of August, continuing the trend of moderate rainfall that characterizes the region during this time of year. Notably, the rainfall begins to pick up in intensity in the coming months, with October forecasting an increase to 71 mm. This gradual rise sets the stage for the wetter spring months ahead, making September a transition point as the landscape prepares for more substantial rainfall. The balance of dry and wet days throughout the month highlights a gentle shift in seasons, marking September as a time of both reflection and anticipation for Richmond's residents.

September Precipitation Trends in Richmond

The chart displays monthly precipitation patterns in Richmond, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5712919728303637373771102108
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Richmond

As we transition into September in Richmond, Australia, the humidity begins to shift noticeably, dipping to 63%. This marks the lowest level of the year, following a gradual decline from the peak experienced in April at 75%. The trend reveals a typical winter-to-spring progression, where the cooler, more humid months of May and June give way to a drier atmosphere, setting the stage for a pleasant and more comfortable climate ahead. This decrease not only enhances the overall outdoor experience but also signals the approach of the warmer months, as the humidity levels are expected to further drop to 55% in October.

September Average Humidity in Richmond

This chart illustrates the average monthly humidity levels in Richmond, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec65%69%72%75%74%72%68%67%63%55%58%68%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Richmond

As September unfolds in Richmond, Australia, residents can expect a very high UV Index of 8, paired with a burn time of just 15 minutes. This marks a shift from the milder UV levels of winter months, reflecting the arrival of spring and urging sun seekers to stay vigilant. While exposure remains manageable compared to the heights of the summer months—where UV levels soar to extreme—it's a reminder that sun protection is still essential. In a year-long trend, September aligns with an upward trajectory in UV intensity, with the index consistently rising heading into the summer season. For those planning outdoor activities, it's crucial to take precautions to minimize sun exposure. For more details, check the Richmond UV Index.

Maximum UV Index Levels in Richmond for September

The chart shows the monthly maximum UV Index (UVI) for Richmond 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.
JanFebMarAprMayJunJulAugSepOctNovDec141412853468101214
Data source: Richmond 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 Richmond

As the calendar turns to September, Richmond, Australia welcomes a radiant shift in the weather, marking a delightful peak in sunny days with an impressive 288 hours of sunshine. This month stands out as a bright prelude to the warmer months ahead, reflecting an upward trend in sunlight that begins to emerge after the cooler winter months. Following a rhythm of gradually increasing light, September's hours are a noteworthy step up from the 274 hours enjoyed in August, hinting at the vibrant spring days to come. The ascent continues into October, promising even more sun as days lengthen and the warmth begins to envelop the landscape. These changing patterns not only rejuvenate the natural surroundings but also uplift the spirits of Richmond’s residents, signaling the transition to a lively and sun-drenched season.

Monthly Sunshine Duration in Richmond: September Highlighted

The September sunshine duration represents the total number of hours Richmond 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.
JanFebMarAprMayJunJulAugSepOctNovDec257h280h272h268h251h225h248h274h288h299h311h326h
Data source: Richmond September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Richmond During September

As September rolls in, Richmond, Australia, enjoys a noteworthy 61% chance of sunny weather, marking a promising transition from the brisk winter months. This likelihood maintains a steady pattern established in August, where the sun's embrace is felt even more reliably at 69%. This upward trend highlights September's appeal for those eager to bask in brighter days, especially when compared to the lower probabilities seen in the preceding months. The sunny outlook not only sets the stage for warmer temperatures but also beckons outdoor enthusiasts to take advantage of the vibrant spring atmosphere. With the sun creeping back into the picture, September presents a delightful window for fun-filled activities under the clear blue skies.

Percentage of Sunny Days in September in Richmond

The chart illustrates the percentage of sunny days in Richmond 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 Richmond experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec42%31%38%66%58%51%61%69%61%52%23%36%
Data source: Richmond September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Richmond in September

As September dawns in Richmond, Australia, daylight begins to extend its warm embrace after the chill of winter. With about 11 hours of daylight, this month marks a subtle transition, as the days lengthen from the shorter winter months of June and July, which feature only 9 to 10 hours of sun. The trend is clear: as spring emerges, daylight gradually increases, paving the way for the vibrant months ahead. This gradual ascent culminates in December, where daylight stretches back to a generous 14 hours, offering plenty of time to enjoy the blossoming scenery. Each month tells a story of light and warmth, as nature awakens and prepares for the vitality of summer.

Average Daylight Hours in Richmond for September

The chart illustrates the variation in daylight duration in Richmond throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 4m13h 16m12h 15m11h 13m10h 22m9h 56m10h 9m10h 54m11h 52m12h 55m13h 50m14h 19m
Data source: Richmond daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Richmond

As September arrives in Richmond, Australia, the winds begin to pick up, with average speeds reaching 2.9 m/s (7 mph). This marks a noticeable increase from the milder conditions of the previous months, where wind speeds hovered around the 2.2 to 2.7 m/s (5 to 6 mph) range. Following the trend established in the cooler months, September's winds are a precursor to the bolder gusts often experienced as we transition into the spring. Interestingly, this month's winds stand out not only as the highest since July but also signal a shift towards more dynamic weather patterns ahead. Thus, September is a delightful blend of warmth and breezy adventure, enticing residents and visitors alike to embrace the invigorating air.

Average September Wind Speed in Richmond

The chart displays monthly wind speed patterns in Richmond, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.52.52.02.22.63.02.72.9 m/s2.42.62.3
Data source: Richmond September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Richmond Compares to Other Months

The weather in Richmond changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Richmond and find detailed weather information for every month.

September and January present contrasting weather patterns. In September, temperatures range from a cool minimum of 2°C (35°F) to a warm maximum of 34°C (93°F), with an average of 15°C (58°F), indicating a transition from late winter to spring. Precipitation occurs on about 6 days, totaling 37 mm (1.5 in), and humidity averages 63%. In contrast, January is notably warmer, with minimum temperatures starting at 9°C (48°F) and peaking at a scorching 44°C (111°F), leading to a higher average of 23°C (74°F). Rainfall increases in January, with 57 mm (2.3 in) spread across roughly 12 days and humidity slightly rising to 65%. For a more detailed look at the weather in January, you can visit Richmond weather in January.

In comparing September and February's weather, we see significant differences in temperature and precipitation. September experiences a much wider temperature range, with a minimum of 2°C (35°F) and a maximum of 34°C (93°F), while February remains warmer with a minimum of 10°C (51°F) and a peak reaching up to 43°C (109°F). Precipitation also varies greatly: September sees only 37 mm (1.5 in) over 6 days, whereas February boasts a much higher total of 129 mm (5.1 in), occurring across 15 days. Humidity levels are relatively similar, with September at 63% and February slightly higher at 69%. For more detailed information on February weather, you can visit Richmond weather in February.

September and March present distinct weather patterns, showcasing a transition from cooler temperatures to warmer conditions. In September, temperatures range from a minimum of 2°C (35°F) to a maximum of 34°C (93°F), with an average of 15°C (58°F) and relatively low precipitation of 37 mm (1.5 in) over six days. In contrast, March typically features a milder minimum of 7°C (45°F) and a peak of 38°C (100°F), with an average temperature of 20°C (68°F). However, March experiences significantly higher rainfall, totaling 197 mm (7.8 in) across 17 days, along with greater humidity at 72%. For a detailed look at March weather, visit Richmond weather in March.

September and April present contrasting weather patterns despite sharing similar maximum temperatures. In September, temperatures range from a minimum of 2°C (35°F) to a maximum of 34°C (93°F), with an average of 15°C (58°F) and a lower prevalence of precipitation at 37 mm (1.5 in) over six days. In contrast, April experiences slightly warmer conditions with minimum temperatures of 4°C (39°F) and an average of 17°C (63°F), while it sees a bit more rainfall at 28 mm (1.1 in) across seven days. Additionally, April's humidity is notably higher at 75%, compared to September's 63%, making the latter month feel drier overall. For more detailed insights on April weather, check out Richmond weather in April.

September and May present distinct weather patterns. In September, temperatures range from a minimum of 2°C (35°F) to a maximum of 34°C (93°F), with an average of 15°C (58°F), indicating a broader temperature range and warmer extremes. The month experiences about 37 mm (1.5 in) of precipitation over approximately 6 days and an average humidity of 63%. In contrast, May tends to be cooler, with temperatures fluctuating between a minimum of 0°C (32°F) and a maximum of 27°C (80°F), averaging 13°C (56°F). Precipitation is slightly lower at 30 mm (1.2 in) over 4 days, accompanied by a higher humidity level of 74%. For more detailed insights on May's weather, you can visit Richmond weather in May.

In comparing the weather of September to June, September shows a wider temperature range with minimums at 2°C and maximums soaring up to 34°C, leading to an average of 15°C. In contrast, June experiences slightly cooler temperatures, with minimums at 1°C and maximums peaking at 23°C, yielding an average of 11°C. Both months see similar precipitation levels, with September recording 37 mm over 6 days and June slightly less at 36 mm over 7 days. Humidity also differs, with September at 63% compared to June's higher 72%. For more detailed insights, check Richmond weather in June.

When comparing the weather of September and July, one can observe notable differences in temperature and humidity levels. In September, temperatures range from a minimum of 2°C (35°F) to a maximum of 34°C (93°F), with an average of 15°C (58°F). In contrast, July shows cooler conditions, with temperatures spanning from a minimum of -1°C (30°F) to a maximum of 25°C (77°F), averaging 11°C (51°F). Both months experience similar levels of precipitation, each recording 37 mm (1.5 in), but September sees a slightly higher frequency of rainy days at 6 compared to July’s 4 days. Humidity is marginally lower in September at 63%, whereas July maintains a higher humidity level of 68%. For a more detailed look at July's climate, you can visit Richmond weather in July.

When comparing the weather in September to August, September exhibits a wider temperature range, with a minimum of 2°C (35°F) and a maximum of 34°C (93°F), leading to an average of 15°C (58°F). In contrast, August has a lower minimum of 0°C (32°F) and a maximum of 26°C (79°F), resulting in a cooler average of 12°C (53°F). Both months experience similar precipitation, at 37 mm (1.5 in), but September has slightly more rainy days, averaging 6 compared to 5 in August. Humidity levels are similar as well, with September at 63% and August at 67%. For a more detailed look at August weather, you can check Richmond weather in August.

In September, the weather sees a wide temperature range with a minimum of 2°C (35°F) and a maximum of 34°C (93°F), resulting in an average temperature of 15°C (58°F). Precipitation is relatively mild, with 37 mm (1.5 in) spread over about 6 days and an average humidity of 63%. Conversely, October experiences slightly milder nights with a minimum temperature of 5°C (41°F) and an average temperature of 17°C (63°F), while still reaching up to 34°C (94°F) at its peak. Rainfall increases significantly to 71 mm (2.8 in) over 12 days, though humidity drops to 55%. For more detailed weather insights, you can check out Richmond weather in October.

In comparing the weather between September and November, September tends to feature a wider range of temperatures, with a minimum of 2°C (35°F) and a maximum of 34°C (93°F), averaging around 15°C (58°F). The month receives about 37 mm (1.5 in) of precipitation over 6 days, accompanied by a humidity level of 63%. In contrast, November experiences generally milder temperatures, with a minimum of 7°C (44°F) and a maximum reaching up to 40°C (104°F), resulting in an average temperature of 19°C (67°F). However, it is wetter, with 102 mm (4.0 in) of rainfall spread over 11 days, and slightly lower humidity at 57%. For a more detailed look at the conditions in November, you can check Richmond weather in November.

In September, the weather is characterized by a broader temperature range, with minimums as low as 2°C (35°F) and maximums reaching 34°C (93°F). The average temperature hovers around a mild 15°C (58°F), accompanied by relatively low precipitation totaling 37 mm (1.5 in) over about 6 days and humidity at 63%. In contrast, December experiences a much warmer climate, with temperatures ranging from a minimum of 10°C (50°F) to an impressive maximum of 42°C (109°F). The average December temperature is notably higher at 21°C (71°F), and precipitation increases to 108 mm (4.3 in) over 13 days, alongside slightly higher humidity levels at 68%. For more detailed information about December weather, check out Richmond weather in December.

Compare Richmond's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Richmond

September in Richmond marks a notable transition from the colder winter months to the more temperate climate of spring. With temperatures gradually rising, days become warmer and more inviting, contrasting sharply with the chilly lows experienced earlier in the year. Humidity levels also climb, contributing to a refreshing atmosphere, even as rainfall is relatively moderate with just a few wet days. This shift not only enhances the overall outdoor experience but also sets the stage for the vibrant natural scenery that defines the coming months. For a deeper dive into the weather patterns throughout the year, explore Richmond Climate.