September Weather in Shoalhaven Heads, Australia

Last updated: February 25, 2025

September in Shoalhaven Heads, Australia, offers a pleasant blend of temperatures, making it a delightful time of year. Daily highs can reach a balmy 30°C (86°F), while the average low settles around a refreshing 14°C (57°F), with nights dipping to a cool 5°C (41°F). This transition into spring is also marked by 47 mm (1.9 in) of rainfall spread over approximately 7 days, contributing to the lush landscapes. With an average humidity of 64%, September presents an invigorating atmosphere, perfect for outdoor adventures and enjoying the beautiful coastal scenery.

September Temperature in Shoalhaven Heads

In September, Shoalhaven Heads begins to shake off the winter chill, with temperatures gradually nudging upwards. The minimum dips to a brisk 5°C (41°F), while the average settles at a comfortable 14°C (57°F). As the month progresses, warmer days make their appearance, leading to a maximum of 30°C (86°F), signaling the transition towards the warmth of spring. This month marks a notable shift, displaying a gentle rise in overall temperatures compared to the preceding winter months, inviting residents and visitors alike to embrace outdoor activities in the mild, sunny days ahead.

September Weather in Shoalhaven Heads: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Shoalhaven Heads, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec716967635753525357616468
Data source: Temperature data for Shoalhaven Heads 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 Shoalhaven Heads

In Shoalhaven Heads, September marks a transition towards the wetter months, with precipitation measuring 47 mm (1.9 in) over 7 days of rain. This relatively modest amount is a contrast to the peak rainfall seen earlier in the year, particularly in March, which boasts a significant 195 mm (7.7 in). The trend suggests a gradual decline in precipitation from August's 71 mm to September, hinting at the tail end of winter conditions before spring settles in. As the year progresses into October, one can expect rainfall to surge again, with 105 mm predicted, reinforcing the seasonal shift typical of the region. Overall, September serves as a gentle precursor to the more saturated months ahead, balancing the drier winter with the promise of spring renewal.

September Precipitation Trends in Shoalhaven Heads

The chart displays monthly precipitation patterns in Shoalhaven Heads, 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.
JanFebMarAprMayJunJulAugSepOctNovDec70143195467374527147105122100
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Shoalhaven Heads

In September, Shoalhaven Heads experiences a notable dip in humidity, dropping to 64%—the lowest point of the year. This decline marks a shift from the warm, moist conditions typically felt during the peak summer and early autumn months, where humidity levels lingered between 70% and 74% from January through April. As the region welcomes the spring season, a gradual decrease continues into October, where humidity further declines to 61%. This trend suggests a transition towards drier conditions, contributing to more pleasant and comfortable weather as the year progresses.

September Average Humidity in Shoalhaven Heads

This chart illustrates the average monthly humidity levels in Shoalhaven Heads, 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.
JanFebMarAprMayJunJulAugSepOctNovDec70%75%73%73%72%70%69%68%64%61%64%71%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Shoalhaven Heads

In September, the UV Index in Shoalhaven Heads, Australia, reaches a value of 7, categorized as high, which indicates a notable transition as the warmer months approach. With a burn time of just 25 minutes, it's essential to remain vigilant about sun exposure, especially compared to the more extreme levels experienced from January to March. This shift reflects a gradual decline in UV intensity as winter fades, setting the stage for higher UV levels in the months ahead. Observing these trends is crucial for sun safety; as the sun becomes stronger in the coming months, protective measures will become increasingly important. For more detailed information, visit Shoalhaven Heads UV Index.

Maximum UV Index Levels in Shoalhaven Heads for September

The chart shows the monthly maximum UV Index (UVI) for Shoalhaven Heads 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.
JanFebMarAprMayJunJulAugSepOctNovDec141312853357101214
Data source: Shoalhaven Heads 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 Shoalhaven Heads

As the warmth of September settles over Shoalhaven Heads, residents and visitors alike bask in the glow of 287 hours of sunshine—one of the city's sunniest months. This luxurious light signals the transition from winter's grasp to spring's embrace, and it stands as a delightful contrast to the cooler winter months that recorded just 223 hours in June. September not only marks an increase in daylight but also hints at the impending peak summer months, with picturesque October leading into a stunning 306 hours. The gradual rise from 247 hours in May to September's bountiful sunshine reflects a vibrant seasonal progression, inviting outdoor adventures and sun-filled days ahead as the sun begins its ascent towards the year's climax in December, boasting an impressive 326 hours.

Monthly Sunshine Duration in Shoalhaven Heads: September Highlighted

The September sunshine duration represents the total number of hours Shoalhaven Heads 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.
JanFebMarAprMayJunJulAugSepOctNovDec263h277h273h269h247h223h247h266h287h306h310h326h
Data source: Shoalhaven Heads September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Shoalhaven Heads During September

In September, Shoalhaven Heads enjoys a 58% chance of sunny weather, marking a delightful transition as spring approaches. This probability reflects a notable increase compared to the earlier winter months, where sunshine chances hovered around 44% in June and 56% in July. Following the vibrant days of August, which boasts a 61% chance of sun, September continues to embrace pleasant weather patterns. As the year progresses towards warmer months, the likelihood of enjoying sunny days becomes more pronounced, contrasting sharply with the gloomier prospects seen in the latter part of the year, particularly November and December, where chances plummet to 22% and 35% respectively. Overall, September stands out as a month of promise, ideal for outdoor activities and soaking up the sun.

Percentage of Sunny Days in September in Shoalhaven Heads

The chart illustrates the percentage of sunny days in Shoalhaven Heads 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 Shoalhaven Heads experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec41%33%37%65%56%44%56%61%58%46%22%35%
Data source: Shoalhaven Heads September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Shoalhaven Heads in September

As September unfolds in Shoalhaven Heads, the days begin to lengthen with an average daylight duration of 11 hours, a gentle transition marking the shift toward spring. Following the deepening shadows of winter's June with only 9 hours of light, daylight gradually increases, peaking at 14 hours in January. This rhythm of time reveals a clear seasonal trend: October will see even more sunlight, signaling the vibrant blossoming of nature, while late summer warmth lingers. The steady progression from the cooler, shorter days of May, through the stabilization at 10 hours in both July and August, underscores a region in harmony with the cyclical dance of daylight, culminating in the hope and growth that spring promises.

Average Daylight Hours in Shoalhaven Heads for September

The chart illustrates the variation in daylight duration in Shoalhaven Heads throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 10m13h 20m12h 16m11h 11m10h 17m9h 50m10h 3m10h 50m11h 52m12h 57m13h 55m14h 25m
Data source: Shoalhaven Heads daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Shoalhaven Heads

As September unfolds in Shoalhaven Heads, Australia, the winds begin to pick up momentum, with an average speed of 4.2 m/s (9 mph), marking a noticeable increase from the preceding months. This gentle breeze signals a transition into the warmer season, following a trend of gradually rising wind speeds that started from 2.9 m/s (6 mph) in April. The steady ascent culminates in September, where the winds reach their peak for the winter months, creating a refreshing atmosphere that enhances the coastal experience. As the landscape shifts towards spring, both locals and visitors are treated to this invigorating air, setting the stage for outdoor adventures and a vibrant seaside ambiance.

Average September Wind Speed in Shoalhaven Heads

The chart displays monthly wind speed patterns in Shoalhaven Heads, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.63.72.93.63.84.04.14.2 m/s3.43.63.6
Data source: Shoalhaven Heads September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Shoalhaven Heads Compares to Other Months

The weather in Shoalhaven Heads 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 Shoalhaven Heads and find detailed weather information for every month.

September and January present notably different weather patterns. In September, temperatures range from a cool 5°C (41°F) at night to a comfortable 30°C (86°F) during the day, with an average of 14°C (57°F). The month sees about 47 mm (1.9 in) of precipitation over 7 days and a humidity level of 64%. In contrast, January offers significantly warmer conditions, with nighttime lows of 12°C (53°F) and daytime highs soaring to 39°C (102°F), averaging 22°C (71°F). Rainfall increases to 70 mm (2.8 in) across 10 days, along with a slightly higher humidity level of 70%. For a more detailed look at January conditions, visit Shoalhaven Heads weather in January.

In September, the weather is relatively mild with temperatures ranging from a cool 5°C (41°F) at night to a warm 30°C (86°F) during the day, averaging around 14°C (57°F). The month sees moderate rainfall of 47 mm (1.9 in) over about 7 days, accompanied by a humidity level of 64%. In stark contrast, February experiences much warmer conditions, with temperatures starting at a minimum of 13°C (55°F) and soaring up to a blistering 38°C (101°F), averaging 21°C (70°F). Furthermore, February is considerably wetter with 143 mm (5.6 in) of rain spread over 15 days and higher humidity at 74%. This shift illustrates the transition from the milder early spring to the heat of late summer. For more detailed weather information, check out Shoalhaven Heads weather in February.

September and March exhibit contrasting weather patterns. In September, temperatures range from a minimum of 5°C (41°F) to a maximum of 30°C (86°F), with an average of 14°C (57°F), featuring relatively low precipitation of 47 mm (1.9 in) over about 7 days and a humidity level of 64%. In stark contrast, March sees warmer temperatures with a minimum of 10°C (51°F) and a maximum reaching up to 36°C (97°F), resulting in an average of 20°C (67°F). March is also significantly wetter, boasting 195 mm (7.7 in) of rain over 19 days, and higher humidity at 73%. For more detailed weather insights, visit Shoalhaven Heads weather in March.

When comparing September and April weather, both months present a mix of mild to warm temperatures, but with some differences. September has an average temperature of 14°C (57°F), with a low of 5°C (41°F) and a high of 30°C (86°F), while April's average temperature is slightly warmer at 17°C (63°F), ranging from a minimum of 8°C (47°F) to a maximum of 31°C (89°F). Precipitation levels are fairly similar, with September averaging 47 mm (1.9 in) over 7 days, compared to April’s 46 mm (1.8 in) over 8 days. However, April experiences a higher humidity level at 73%, compared to September's 64%. For more detailed insights, check the Shoalhaven Heads weather in April.

September and May exhibit distinct differences in weather patterns despite having similar average temperatures. September experiences a wider temperature range, with a minimum of 5°C (41°F) and a maximum reaching 30°C (86°F), making it generally warmer during the day. In contrast, May's temperatures are milder, with a maximum of 25°C (77°F) and a slightly higher minimum of 6°C (43°F). Additionally, May tends to be wetter, recording 72 mm (2.9 in) of precipitation over 8 days compared to September's 47 mm (1.9 in) over 7 days. The humidity is also higher in May at 72%, compared to September's 64%. For more details on May weather specifically, you can check Shoalhaven Heads weather in May.

When comparing the weather in September and June, there are notable differences in temperature and precipitation. September generally features a wider temperature range, with minimums reaching 5°C (41°F) and maximums soaring up to 30°C (86°F), while June's temperatures are more moderate, hovering between a minimum of 4°C (39°F) and a maximum of 20°C (69°F). Additionally, September experiences less precipitation, accumulating 47 mm (1.9 in) over 7 days compared to June's higher total of 74 mm (2.9 in) spread across 11 days. Humidity levels are slightly lower in September at 64% compared to 70% in June. For more detailed information about June weather in the area, visit Shoalhaven Heads weather in June.

When comparing the weather in September to July, September showcases a broader temperature range, with minimums reaching 5°C and maximums soaring up to 30°C. In contrast, July experiences slightly cooler temperatures, with a minimum of 3°C and a maximum of 23°C. Although both months have similar precipitation levels—September receiving 47 mm and July with 52 mm—July has one less day of recorded rainfall. Additionally, humidity is marginally higher in July at 69%, compared to September's 64%. For more detailed insights, you can check out Shoalhaven Heads weather in July.

In comparing the weather of September and August, September shows a marked increase in temperature, with a minimum of 5°C and an average of 14°C, peaking at 30°C. In contrast, August has a lower temperature range, with a minimum of 3°C and a maximum of only 23°C. Both months experienced precipitation, but August had more at 71 mm over 8 days, while September saw 47 mm over just 7 days. Additionally, humidity levels are slightly lower in September at 64%, compared to 68% in August. For more detailed information, you can check Shoalhaven Heads weather in August.

In September, the weather experiences a wide range of temperatures, with a minimum of 5°C (41°F), an average of 14°C (57°F), and a peak of 30°C (86°F). The month sees moderate precipitation of 47 mm (1.9 in) over 7 days, along with a humidity level of 64%. In contrast, October features slightly warmer conditions, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 31°C (88°F) and an average of 16°C (61°F). However, it also brings significantly more rainfall, totaling 105 mm (4.1 in) over 14 days, while humidity drops slightly to 61%. For more specific details, check out Shoalhaven Heads weather in October.

September and November exhibit notable differences in weather patterns, particularly in temperature and precipitation. In September, temperatures range from a minimum of 5°C (41°F) to a maximum of 30°C (86°F), with an average of 14°C (57°F). The month receives around 47 mm (1.9 in) of precipitation over 7 days, maintaining a humidity level of 64%. In contrast, November sees milder temperatures, with a minimum of 9°C (48°F) and a maximum soaring to 36°C (96°F). The average temperature rises to 18°C (64°F), but the month experiences more rainfall, totaling 122 mm (4.8 in) over 13 days, while humidity remains steady at 64%. For more detailed information on the climate, you can visit Shoalhaven Heads weather in November.

In September, the weather tends to be milder with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 30°C (86°F), averaging around 14°C (57°F). This month experiences moderate precipitation, totaling 47 mm (1.9 in) over about 7 days, with a humidity level of 64%.

In contrast, December brings warmer temperatures, with a minimum of 11°C (53°F) and soaring to a maximum of 36°C (97°F), averaging 20°C (68°F). Precipitation increases significantly to 100 mm (4.0 in) spread over 15 days, accompanied by higher humidity levels at 71%. The shift from September to December clearly highlights a transition to hotter and more humid weather conditions. For more detailed insights, check Shoalhaven Heads weather in December.

Compare Shoalhaven Heads's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Shoalhaven Heads

As September rolls in at Shoalhaven Heads, the weather begins its delightful transition from winter to spring. This month boasts warm days with a maximum temperature reaching up to 30°C, providing a stark contrast to the cooler winter months. Although the average temperature hovers around a refreshing 14°C, the nights can still dip to a cool 5°C. September also welcomes occasional rainfall, with approximately 47 mm over about 7 days, adding a touch of rejuvenation to the landscape. The humidity sits comfortably at 64%, making the air feel pleasantly fresh. This unique blend of warmth, mild chill at night, and light rain marks September as a blooming harbinger of spring, offering a perfect time for outdoor activities and enjoying nature's revival. For a deeper dive into the seasonal dynamics, visit Shoalhaven Heads Climate.