September Weather in Exmouth, Australia

Last updated: February 25, 2025

In September, Exmouth, Australia, offers a delightful climate characterized by a maximum temperature of 34°C (93°F) and an average of 22°C (72°F), providing ideal conditions for outdoor activities. With a minimum temperature of 14°C (57°F), the nights remain pleasantly cool. Notably, this month experiences little to no rainfall, with only 1 mm (0.0 in) of precipitation recorded and not a single rainy day in sight. The air remains comfortably humid at 55%, making it a perfect time to explore the stunning landscapes and vibrant marine life that this coastal paradise has to offer.

September Temperature in Exmouth

As September rolls into Exmouth, Australia, the climate begins a gentle transition towards warmer days. With minimum temperatures rising to 14°C (57°F) and average highs reaching 34°C (93°F), this coastal town embraces the tail end of winter, setting the stage for the forthcoming heat. The average temperature of 22°C (72°F) invites locals and visitors alike to enjoy the outdoors, making it an ideal time for exploration and adventure. This month marks a noticeable shift from the cooler temperatures of the winter months, signaling the approach of a much warmer spring. As nature awakens, Exmouth shines with vibrant beauty, encouraging everyone to soak in the pleasant conditions before the peak summer heat arrives.

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

The chart illustrates September temperature patterns in Exmouth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec828284817569686871737680
Data source: Temperature data for Exmouth 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 Exmouth

In September, Exmouth experiences a stark transition towards dryness, with a mere 1 mm of precipitation recorded, marking it as one of the driest months of the year. This brief amount is noteworthy as it contributes to a trend where the latter part of the year sees significantly reduced rainfall, especially when contrasted with the 58 mm in June. Notably, September had no recorded precipitation days, indicating clear skies that prevail as summer approaches. This dry spell sets the stage for October, which follows with no expected rainfall, highlighting Exmouth's shift into a more arid climate as the year progresses.

September Precipitation Trends in Exmouth

The chart displays monthly precipitation patterns in Exmouth, 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.
JanFebMarAprMayJunJulAugSepOctNovDec42318162959571052
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Exmouth

In September, Exmouth, Australia, experiences a notable drop in humidity, averaging 55%, which is the lowest level of the year. This decline marks a significant shift from the highs of earlier months, such as 76% in February and 77% in March, indicating a transition into the drier season. As the months progress, humidity levels begin to rise again slightly, with October and November peaking at 58%. The overall trend showcases Exmouth's shift from the peak humid summer months to a brief period of relative dryness in early spring, making it an ideal time for outdoor activities in more comfortable conditions.

September Average Humidity in Exmouth

This chart illustrates the average monthly humidity levels in Exmouth, 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.
JanFebMarAprMayJunJulAugSepOctNovDec69%76%77%72%68%65%62%61%55%58%58%63%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Exmouth

In September, Exmouth, Australia, experiences a UV Index of 13, categorized as extreme, with a burn time of just 10 minutes. This strong UV intensity reflects a trend of high exposure from previous months, particularly as the region transitions from winter to spring. Earlier in the year, the index peaked at 15 during the summer months, indicating a consistent need for sun protection. As the days brighten, it's crucial for both locals and visitors to remain vigilant against sunburn, echoing the warnings from January to March when the UV Index also hovered at extreme levels. For more detailed information on UV ratings throughout the year, visit Exmouth UV Index.

Maximum UV Index Levels in Exmouth for September

The chart shows the monthly maximum UV Index (UVI) for Exmouth 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.
JanFebMarAprMayJunJulAugSepOctNovDec151513128781013141515
Data source: Exmouth 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 Exmouth

As September dawns in Exmouth, Australia, it heralds a delightful transition into spring with 314 hours of sunshine. This marks a subtle increase from the previous months, reflecting a longer stretch of sunlight and a gradual warming trend as the year progresses. Following the ebb of winter, where June witnessed only 276 hours, the sunshine hours begin to rise, peaking in October with 340 hours, and culminating in an impressive 361 hours by December. With each month, Exmouth bathes in brighter, sunnier days, inviting both locals and visitors to indulge in the pristine beaches and natural wonders that thrive in this sun-kissed paradise.

Monthly Sunshine Duration in Exmouth: September Highlighted

The September sunshine duration represents the total number of hours Exmouth 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.
JanFebMarAprMayJunJulAugSepOctNovDec289h309h327h301h296h276h297h310h314h340h345h361h
Data source: Exmouth September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Exmouth During September

September in Exmouth, Australia, heralds a significant increase in sunny weather, boasting an impressive 87% chance of sunshine. This pattern marks a continuation of the sunny trend observed through the late winter months, where August offers an 80% likelihood of clear skies. As spring approaches, the prospect of sunny days only gets brighter, setting the stage for October's peak at 88%. Compared to the mid-year dip in June, experiencing only 50% sunny days, September emerges as a welcoming embrace of warmth and light, making it an ideal time for outdoor activities and enjoying the stunning coastal scenery.

Percentage of Sunny Days in September in Exmouth

The chart illustrates the percentage of sunny days in Exmouth 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 Exmouth experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec84%66%84%75%71%50%65%80%87%88%75%92%
Data source: Exmouth September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Exmouth in September

In Exmouth, Australia, September marks a delightful transition in daylight hours, with approximately 11 hours of sunlight illuminating the vibrant landscapes. As the year progresses from the sun-soaked days of January, which bask in 13 hours of daylight, there’s a gradual decline to 12 hours in February and March, before leveling off in the milder autumn months of April and May. The trend of shorter days continues into winter, where June and July each provide around 10 hours of light. However, as spring approaches, September’s 11 hours hint at the increasing brightness to come in October and November, where daylight lengthens again to 12 and 13 hours, respectively. This cyclical pattern not only reflects the changing seasons but also promises the return of more sun-kissed moments ahead.

Average Daylight Hours in Exmouth for September

The chart illustrates the variation in daylight duration in Exmouth throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 17m12h 48m12h 11m11h 33m11h 2m10h 48m10h 55m11h 22m11h 57m12h 35m13h 8m13h 26m
Data source: Exmouth daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Exmouth

As Exmouth transitions into September, the average wind speed picks up to 5.4 m/s (12 mph), creating a refreshing breeze that sets the tone for the upcoming warmer months. This marks an increase from the relatively calm winds of the winter months, with speeds of 4.1 to 4.7 m/s from April to August. Interestingly, the winds in September hint at the surge in intensity that follows in October, where average speeds escalate to 6.5 m/s (14 mph). Such a rise not only heralds the approach of summer but also signifies a shift in weather patterns, showcasing the vitality of Exmouth's coastal environment as it gears up for more dynamic climatic conditions. Overall, September is a pivotal month, bridging the tranquility of winter with the invigorating changes that lie ahead.

Average September Wind Speed in Exmouth

The chart displays monthly wind speed patterns in Exmouth, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.85.14.24.14.24.74.14.75.4 m/s6.55.66.8
Data source: Exmouth September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Exmouth Compares to Other Months

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

In September, temperatures range from a mild minimum of 14°C (57°F) to a comfortable average of 22°C (72°F), peaking at a warm 34°C (93°F). The month is characterized by very little precipitation, with just 1 mm and no rainy days, and a humidity level of 55% that keeps the air feeling pleasant. In contrast, January experiences warmer conditions, with minimum temperatures of 20°C (69°F) and an average of 28°C (83°F), occasionally reaching a soaring 40°C (104°F). This month also sees slightly increased precipitation, totaling 4 mm across a single rainy day, along with higher humidity at 69%. For a detailed look at the January weather, visit Exmouth weather in January.

September and February present contrasting weather conditions. In September, the temperatures range from a minimum of 14°C (57°F) to a maximum of 34°C (93°F), with a pleasant average of 22°C (72°F) and very little rainfall, averaging only 1 mm across the month and experiencing no rainy days. The humidity stands at a moderate 55%. In contrast, February brings warmer weather, with temperatures ranging from a minimum of 21°C (70°F) to a scorching maximum of 40°C (104°F) and an average of 28°C (83°F). February also sees increased precipitation at 23 mm and a higher humidity level of 76%, making it feel notably more humid and wet. For more details on February weather, check Exmouth weather in February.

In September, the weather is characterized by milder temperatures, with a minimum of 14°C (57°F) and an average of 22°C (72°F), peaking at a maximum of 34°C (93°F). It is typically dry with only 1 mm of precipitation and low humidity at 55%. In contrast, March experiences significantly warmer conditions, with a minimum temperature of 22°C (72°F) and an average of 29°C (84°F), reaching highs of 39°C (103°F). Additionally, March sees more humidity at 77% and some rainfall, totaling 18 mm over just one day. For a deeper insight into the weather details, you can refer to Exmouth weather in March.

When comparing the weather in September and April, notable differences emerge. September tends to be milder, with average temperatures around 22°C (72°F) and maximums reaching 34°C (93°F), alongside very little precipitation—just 1 mm over the month and no rainy days. In contrast, April is warmer, with an average of 27°C (81°F) and highs that can soar to 38°C (100°F). Rainfall is more frequent in April, with 16 mm spread over 2 days, and the humidity is noticeably higher at 72%. For a more detailed look at April weather, check out Exmouth weather in April.

In comparing the weather between September and May, we see notable differences in temperature and humidity levels. September typically enjoys a temperature range from a minimum of 14°C (57°F) to a maximum of 34°C (93°F), with an average of 22°C (72°F) and very little precipitation, just 1 mm over the month. In contrast, May has a slightly warmer average temperature of 24°C (75°F), with a minimum of 15°C (60°F) and a maximum of 32°C (90°F). However, May is also marked by an increase in precipitation, totaling 29 mm over just one rainy day, and higher humidity at 68%. For a detailed look at May's weather, you can check Exmouth weather in May.

In comparing the weather of September and June, September boasts warmer average temperatures, ranging from a minimum of 14°C (57°F) to a maximum of 34°C (93°F), with nearly no precipitation and a comfortable humidity of 55%. In contrast, June experiences cooler temperatures with a minimum of 11°C (53°F) and a maximum of 29°C (85°F), along with significant rainfall of 58 mm (2.3 in) over approximately four days and higher humidity at 65%. This stark contrast highlights September's dry warmth compared to June's cooler, wetter conditions, making it a more favorable month for outdoor activities. For more details on June's weather conditions, you can refer to Exmouth weather in June.

In September, the weather is warmer than in July, with average temperatures reaching 22°C (72°F) compared to July's 20°C (68°F). September also sees a higher maximum temperature of 34°C (93°F), while July peaks at 28°C (83°F). Additionally, September is drier, experiencing virtually no precipitation, whereas July receives about 5 mm (0.2 in) of rain over one day, contributing to a slightly higher humidity level of 62% compared to September's 55%. For a more detailed look at the weather patterns in July, you can check out this link: Exmouth weather in July.

In comparing the weather between August and September, September shows a notable increase in temperatures, with a minimum of 14°C (57°F) and an average of 22°C (72°F), peaking at 34°C (93°F). In contrast, August has slightly cooler temperatures, ranging from a minimum of 12°C (54°F) to an average of 20°C (68°F), with a maximum of 30°C (86°F). Additionally, September experiences significantly less precipitation, with only 1 mm recorded, while August sees 7 mm of rain. Humidity levels in August are a bit higher at 61%, compared to September's 55%. For more details on the weather in August, you can check Exmouth weather in August.

In comparing the weather of September and October, we see a slight increase in temperature with October averaging 23°C (73°F), compared to September's average of 22°C (72°F). Both months experience minimal rainfall, with no precipitation recorded in either month, indicating a dry spell. Humidity also sees a modest rise, from 55% in September to 58% in October. Notably, October features slightly higher minimum and maximum temperatures, with lows at 16°C (61°F) and highs reaching 35°C (95°F). For a detailed look at what to expect, you can check out Exmouth weather in October.

In comparison to September, November brings slightly warmer temperatures, with minimums rising from 14°C (57°F) to 17°C (63°F) and average highs increasing from 22°C (72°F) to 24°C (76°F). Both months experience limited precipitation, but November sees a slight uptick with 5 mm (0.2 in) of rain, albeit still over 0 days. Humidity also rises slightly from 55% in September to 58% in November, contributing to a subtly muggy feel as summer approaches. For more details on November weather, you can visit Exmouth weather in November.

In September, temperatures in Exmouth range from a minimum of 14°C (57°F) to a maximum of 34°C (93°F), with an average of 22°C (72°F). The weather is typically dry, with only 1 mm of precipitation and 0 days of rain, coupled with a humidity level of 55%. In contrast, December sees a rise in temperatures, with a minimum of 19°C (66°F) and a maximum of 40°C (103°F), averaging 27°C (80°F). While precipitation remains low at 2 mm and no rainy days, humidity increases to 63%. For a more detailed look at the weather in December, you can check Exmouth weather in December.

Compare Exmouth's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Exmouth

September in Exmouth ushers in a delightful transition into spring, characterized by milder temperatures and minimal precipitation. With average highs around 22°C (72°F) and an impressive maximum reaching up to 34°C (93°F), the month stands out for its inviting warmth and low humidity levels of 55%. Unlike the rainier winter months, Exmouth experiences zero days of precipitation in September, making it an ideal time for outdoor activities and exploration. This perfect balance of sunshine and dry conditions sets the stage for a vibrant start to the warmer seasons. For more insights on what to expect throughout the year, check out Exmouth Climate.