September Weather in Merimbula, Australia

Last updated: February 25, 2025

In September, Merimbula, Australia, offers a delightful transition into spring, marked by an average temperature of 13°C (56°F). Daytime highs can reach a pleasant 24°C (75°F), making it ideal for outdoor activities, while nighttime temperatures can dip to a cool 9°C (48°F). Visitors should prepare for some light showers, as the month sees approximately 34 mm (1.4 in) of rainfall over 7 days. With a humidity level of 72%, the air feels fresh and invigorating, perfect for experiencing the natural beauty of this coastal gem.

September Temperature in Merimbula

September in Merimbula, Australia marks a delightful transition as temperatures begin to rise after the cooler winter months. With minimums around 9°C (48°F) and averages creeping up to 13°C (56°F), this time of year showcases a noticeable warmth compared to the chilly depths of winter. The maximum temperature peaks at a pleasant 24°C (75°F), inviting locals and visitors alike to embrace the outdoors. As the month unfolds, the gradual increase in temperature hints at the approaching spring, making September a refreshing prelude to the vibrant warmth of summer days ahead. Whether you're enjoying a leisurely walk along the beach or savoring the blossoming nature, this month is particularly welcoming for all.

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

The chart illustrates September temperature patterns in Merimbula, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec696867645956545456596265
Data source: Temperature data for Merimbula 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 Merimbula

In September, Merimbula experiences a notable decline in precipitation, with only 34 mm (1.4 in) of rainfall recorded over 7 days. This amount is the lowest in the last few months, following the wetter winter months of June and July, which saw 68 mm and 50 mm, respectively. Interestingly, September sets the stage for a transition; as temperatures begin to warm, the region gears up for a more rain-soaked October, typically delivering 88 mm (3.5 in). This cyclical pattern highlights how Merimbula shifts from the cooler, wetter months towards a more moderate climate as spring approaches.

September Precipitation Trends in Merimbula

The chart displays monthly precipitation patterns in Merimbula, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5295107331016850603488100109
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Merimbula

In September, Merimbula experiences a dip in humidity, averaging 72%, a noticeable shift following the peak moisture levels of winter. This month marks a transition from the cooler, more humid months of July and August, which saw humidity levels soar to 83% and 78%, respectively. As spring approaches, the humidity begins to decrease, hinting at the drier, warmer months ahead, with October bringing further relief at 63%. This trend of fluctuating humidity illustrates the region's distinct seasonal shifts, making September a pivotal month in Merimbula's climate calendar.

September Average Humidity in Merimbula

This chart illustrates the average monthly humidity levels in Merimbula, 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.
JanFebMarAprMayJunJulAugSepOctNovDec62%69%73%78%81%81%83%78%72%63%63%63%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Merimbula

As spring begins to bloom in September, Merimbula experiences a UV Index of 7, categorizing it as high exposure with a burn time of 25 minutes. This marks a notable shift from the more extreme UV levels seen in the earlier months of the year, particularly January through March when the index peaked at 14, necessitating protective measures every 10 minutes. Following September, October sees a rise again to a very high index of 9, emphasizing the necessity for sustained sun safety as the season progresses. As you enjoy the warming weather, don't forget to check the latest information and updates on the UV Index for Merimbula to stay protected from harmful exposure. For further details, visit Merimbula UV Index.

Maximum UV Index Levels in Merimbula for September

The chart shows the monthly maximum UV Index (UVI) for Merimbula 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.
JanFebMarAprMayJunJulAugSepOctNovDec14121174335791114
Data source: Merimbula 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 Merimbula

As September rolls into Merimbula, sunshine seekers are treated to a delightful shift in the weather, basking in an impressive 278 hours of sunlight. This notable increase from August’s 254 hours signals the arrival of spring, with days gradually becoming longer and brighter. Such vibrant sunshine sets the stage for outdoor adventures and local festivities, creating an inviting atmosphere for both residents and visitors alike. The trend continues into October, which boasts even more radiant days at 298 hours, hinting at the sun-drenched months ahead. With each passing autumn day, Merimbula showcases the charm of its coastal beauty, making September a perfect time to soak up the warmth and explore all that this stunning region has to offer.

Monthly Sunshine Duration in Merimbula: September Highlighted

The September sunshine duration represents the total number of hours Merimbula 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.
JanFebMarAprMayJunJulAugSepOctNovDec258h272h282h253h237h220h238h254h278h298h300h320h
Data source: Merimbula September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Merimbula During September

In Merimbula, Australia, the arrival of September brings a promising 58% chance of sunshine, marking a notable shift as the winter months fade into spring. This increase is part of a broader trend, with the likelihood of sunny weather on the rise from 44% in January to 60% in April. As the year progresses, September stands out as a gateway to sunnier days, outperforming many preceding months and hinting at warmer and more vibrant days ahead. With the sun's presence becoming increasingly reliable, it's an ideal time to embrace the outdoor beauty Merimbula has to offer.

Percentage of Sunny Days in September in Merimbula

The chart illustrates the percentage of sunny days in Merimbula 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 Merimbula experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%40%42%60%53%46%53%56%58%45%25%39%
Data source: Merimbula September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Merimbula in September

In September, daylight in Merimbula, Australia, averages around 11 hours, signaling a gradual shift from the shorter days of winter to the longer days of spring. This month marks a noteworthy increase from the 9 hours of daylight experienced in the depths of winter, illustrating the transition towards longer, sunnier days ahead. As we move into October, daylight rises further to 13 hours, paving the way for the vibrant longer days of summer. The natural ebb and flow of daylight hours each month encapsulates the changing seasons, inviting residents and visitors to embrace the beauty of Merimbula’s blossoming springtime.

Average Daylight Hours in Merimbula for September

The chart illustrates the variation in daylight duration in Merimbula throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 22m13h 27m12h 17m11h 6m10h 7m9h 38m9h 52m10h 43m11h 51m13h 2m14h 5m14h 38m
Data source: Merimbula daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Merimbula

As September arrives in Merimbula, Australia, the coastal breeze picks up with an average wind speed of 5.7 m/s (13 mph), marking a subtle rise from the more tranquil conditions of winter. This increase, while modest, reflects a broader trend of progressively stronger winds as the seasons transition. In the months leading up to September, winds have generally shifted between 4.5 and 6.4 m/s, indicating a seasonal ebb and flow that peaks slightly in spring. The change in wind patterns not only brings a refreshing energy to the landscape but also enhances the already vibrant atmosphere of Merimbula, inviting residents and visitors alike to embrace outdoor adventures amid the invigorating Australian climate.

Average September Wind Speed in Merimbula

The chart displays monthly wind speed patterns in Merimbula, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.06.46.14.55.35.44.55.35.7 m/s5.45.75.6
Data source: Merimbula September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Merimbula Compares to Other Months

The weather in Merimbula 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 Merimbula and find detailed weather information for every month.

In comparing the weather of September and January in Merimbula, one can observe some notable differences. September sees cooler temperatures, with a minimum of 9°C (48°F) and an average of 13°C (56°F), while January enjoys warmer conditions with a minimum of 14°C (58°F) and an average of 20°C (69°F). Precipitation is slightly higher in January, totaling 52 mm (2.1 in) over 8 days compared to September's 34 mm (1.4 in) over 7 days. Additionally, humidity is more pronounced in September at 72%, contrasting with January's lower level of 62%. To learn more about the conditions in January, visit Merimbula weather in January.

When comparing the weather in September and February, we see notable differences in temperature and precipitation. September experiences a more moderate climate with minimum temperatures around 9°C (48°F) and a maximum of 24°C (75°F), while February boasts warmer temperatures, ranging from a minimum of 14°C (58°F) to a maximum of 28°C (83°F). Precipitation is significantly higher in February, with 95 mm (3.8 in) expected over 11 days, compared to September's 34 mm (1.4 in) over just 7 days. Despite slightly lower humidity in February at 69%, the warmer temperatures and increased rainfall create a more humid atmosphere compared to September's 72% humidity. For a detailed look at February weather conditions, you can visit Merimbula weather in February.

Comparing the weather in September and March reveals some interesting contrasts. In September, temperatures range from a low of 9°C (48°F) to a high of 24°C (75°F), with an average of 13°C (56°F). The month experiences moderate precipitation of 34 mm (1.4 in) over about 7 days, and humidity levels are around 72%. In contrast, March brings warmer temperatures, with minimums of 13°C (57°F) and maximums reaching 28°C (83°F), averaging 19°C (67°F). However, it also sees increased rainfall, totaling 107 mm (4.2 in) over 13 days, while maintaining a similar humidity level of 73%. For a more detailed look at March weather, visit Merimbula weather in March.

When comparing the weather in September and April, we see notable differences in temperature and humidity. September tends to be cooler, with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 24°C (75°F), while April features a warmer average, starting at a minimum of 12°C (54°F) and peaking at 27°C (81°F). Both months experience similar levels of precipitation, around 34 mm (1.4 in) in September and 33 mm (1.3 in) in April, falling on about 7 days. However, April has slightly higher humidity at 78%, compared to September's 72%. For more details on April weather, you can check Merimbula weather in April.

When comparing the weather in September and May, notable differences emerge. September experiences a wider temperature range, with minimum temperatures around 9°C (48°F) and maximums reaching up to 24°C (75°F). This month sees an average temperature of 13°C (56°F) and relatively low precipitation at 34 mm (1.4 in) over 7 days, alongside a humidity of 72%. In contrast, May is slightly warmer overall, with minimum temperatures of 10°C (50°F) and maximums of 22°C (73°F). However, May is much wetter, recording 101 mm (4.0 in) of precipitation over 6 days and a higher humidity level of 81%. For more detailed information, you can visit Merimbula weather in May.

When comparing the weather in September and June, both months exhibit similar minimum temperatures of around 9°C (48°F) and average temperatures of 13°C (56°F). However, September experiences a warmer maximum temperature of 24°C (75°F) compared to June's peak of 18°C (65°F). Additionally, September has less precipitation, totaling 34 mm (1.4 in) over 7 days, while June sees more rainfall with 68 mm (2.7 in) across 9 days. Humidity levels are also slightly lower in September at 72%, versus 81% in June. For more detailed information, you can check out Merimbula weather in June.

In comparing the weather of September and July, September tends to be warmer overall, with average temperatures reaching up to 13°C (56°F) and highs of 24°C (75°F), while July's average temperature is slightly cooler at 12°C (55°F) with a maximum of 18°C (65°F). Furthermore, September experiences less precipitation, with a total of 34 mm (1.4 in) spread over 7 days, compared to July’s 50 mm (2.0 in) over just 4 days. Humidity is also lower in September at 72%, compared to the higher 83% in July, making September feel more pleasant for outdoor activities. For a more detailed look, you can check out Merimbula weather in July.

In comparing the weather of September to August, September enjoys slightly milder temperatures, with minimums reaching 9°C (48°F) and an average of 13°C (56°F), compared to August's minimum of 7°C (45°F) and average of 12°C (55°F). September also showcases a higher maximum temperature of 24°C (75°F) versus August's peak of 19°C (66°F). However, August sees more rain with a total precipitation of 60 mm (2.4 in) compared to September's 34 mm (1.4 in), despite both months experiencing precipitation on seven days. The humidity levels are also slightly lower in September at 72% compared to 78% in August, making September feel a bit crisper. For a more detailed look at August weather, visit Merimbula weather in August.

In September, the weather features a mild temperature range with a minimum of 9°C (48°F) and a maximum of 24°C (75°F), averaging around 13°C (56°F). Precipitation is relatively low at 34 mm (1.4 in) over about 7 days, coupled with a higher humidity level of 72%. In contrast, October offers slightly warmer temperatures, with a minimum of 10°C (50°F) and a maximum of 25°C (78°F), leading to an average of 15°C (59°F). However, October sees an increase in precipitation to 88 mm (3.5 in) over about 12 days, accompanied by a lower humidity of 63%. For more details about the weather conditions, you can check Merimbula weather in October.

In September, the weather is characterized by cooler temperatures, with a minimum of 9°C (48°F) and an average of 13°C (56°F), culminating in a maximum of 24°C (75°F). Precipitation is relatively low, totaling 34 mm (1.4 in) over about 7 days, and humidity sits at 72%. In contrast, November brings warmer conditions, featuring a minimum of 10°C (50°F), an average of 17°C (62°F), and a maximum of 27°C (80°F). However, November experiences a significant increase in precipitation, with 100 mm (3.9 in) spread over approximately 10 days and lower humidity at 63%. For more details on November weather, you can visit Merimbula weather in November.

In September, the weather generally exhibits cooler temperatures, with a minimum of 9°C (48°F) and a maximum of 24°C (75°F), accompanied by a moderate amount of precipitation totaling 34 mm (1.4 in) over about 7 days and a humidity level of 72%. In contrast, December experiences milder temperatures, starting at a minimum of 13°C (55°F) and reaching up to 28°C (82°F). The month is considerably wetter, receiving 109 mm (4.3 in) of rain across 12 days, but with a lower humidity of 63%. For more details on what to expect during this warmer month, you can check out the Merimbula weather in December.

Compare Merimbula's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Merimbula

In September, Merimbula begins to shake off the chill of winter, offering a refreshing transition into spring. With its pleasant maximum temperatures and a notably mild average, this month presents an ideal time for those seeking to enjoy the outdoors. While days may still see scattered rain and moderate humidity, the overall atmosphere is invigorating, contrasting sharply with the more extreme temperatures often experienced in summer and winter. For a deeper dive into what other months bring to this picturesque location, explore the comprehensive insights on Merimbula Climate.