Last updated: February 24, 2025
In September, Saint George experiences a captivating climate characterized by maximum temperatures reaching 41°C (107°F) and a pleasant average of 25°C (77°F). This vibrant month provides a striking contrast, with nighttime lows dipping to a cool 6°C (43°F), offering a refreshing respite from the heat. Rainfall is minimal, accumulating only 8 mm (0.3 in) over just one day, resulting in a dry atmosphere with an average humidity level of 47%. The weather in September essentially invites residents and visitors alike to enjoy the stunning scenery and outdoor adventures under the sun-soaked sky.
In September, Saint George experiences a transition into the milder temperatures of autumn, where the minimum dips to a comfortable 6°C (43°F) and the average rises to a pleasant 25°C (77°F). This month marks a notable peak just before the fall chill sets in, with maximum temperatures reaching a sizzling 41°C (107°F), reminiscent of the summer heat. As summer's swelter begins to wane, the shift to these warmer yet more manageable temperatures creates a delightful balance, encouraging outdoor activities and a vibrant atmosphere. The gradual cooling seen as September progresses foreshadows the upcoming seasonal changes, inviting residents and visitors alike to enjoy the lingering warmth before autumn takes hold.
In September, Saint George experiences a notable decrease in rainfall, with only 8 mm (0.3 in) of precipitation recorded over just 1 day. This trend marks a continuation of the dry late summer months, where August saw merely 11 mm (0.4 in) spread across 2 days. As the region transitions into autumn, the reduced precipitation is a stark contrast to the wetter spring months, such as March, which received 51 mm (2.0 in) over 9 days. Overall, September's minimal rain showcases the distinct arid pattern characteristic of this charming desert area, hinting at a return to dryness before the more balanced October.
In September, Saint George experiences a notable shift as humidity rises to 47%, a change from the dry summer months of June and July, where levels dip as low as 30%. This increase marks the beginning of a transition toward the wetter fall season, as humidity steadily climbs through October, reaching 62%. Interestingly, September's humidity is a middle ground among the year's trends, significantly higher than the summer lows yet still lower than the winter peaks of up to 82% in February. This dynamic fluctuation underscores Saint George's unique desert climate, where seasonal changes create diverse atmospheric conditions throughout the year.
In September, the UV Index in Saint George reaches a notably high level of 10, with a corresponding burn time of just 15 minutes. This indicates a continuation of the intense sun exposure characteristic of the summer months, which peaks during June and July at an extreme UV Index of 12. As the season transitions into fall, the UV Index begins to decline, signaling a shift in sun intensity. However, even at 10, caution is advised, as this signifies a very high exposure category. For optimal protection throughout the month, it’s essential to stay informed and prepared—check out more detailed information at Saint George UV Index.
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As summer gradually bids farewell, September in Saint George continues to bask in a warm embrace, offering an impressive 321 hours of sunshine. This marks a subtle decline from the peak of June, which boasts an abundance of 385 hours, yet it remains a far cry from the gloomier winter months. The transition into fall brings a cozy atmosphere, as daylight gently wanes, providing a delightful balance of warmth and clear skies perfect for outdoor activities. Following the vibrant sun-filled days of May and July, September is a reminder that the sunny charm of Saint George lingers, making it an ideal time to soak up the last rays before the cooler months set in.
September in Saint George, United States, boasts an impressive 85% chance of sunny weather, making it one of the sunniest months of the year. This trend of increasing sunshine extends from the summer months, where August also features a robust 81% likelihood of clear skies. As summer transitions to autumn, the sunny disposition continues, with September outshining many other months, including the peak summer month of July, which dips to 54%. With such a high probability of bright days, September presents a perfect opportunity to enjoy outdoor activities in delightful sunshine before the cooler months set in.
As summer gracefully transitions into fall, September in Saint George, United States, showcases a delightful 12 hours of daylight, a gentle decrease from the sun-drenched days of July and August, each boasting a full 14 hours. This month marks a subtle shift as the vibrant energy of summer begins to wane, hinting at the cozy embrace of autumn. Following the peak sunlight of mid-year, daylight hours progressively shorten, leading into October's 11 hours, while the air becomes crisper and the surroundings transform with rich, warm hues. This rhythm of daylight not only influences daily activities but also creates an enchanting backdrop for the seasonal transitions that define this beautiful region.
As the summer heat gives way to the crispness of autumn, September in Saint George brings a gentle breeze, with an average wind speed of 2.0 m/s (4 mph). This marks a slight decrease from the 2.2 m/s (5 mph) experienced in August, indicating a subtle transition as the region prepares for the cooler months ahead. Over the year, wind speeds have shown a general upward trend from the calmest January days, peaking in the spring months before gradually tapering off in late summer and early fall. This rhythmic fluctuation invites residents and visitors alike to savor the soft winds of September, a perfect backdrop for outdoor explorations and reflections as nature begins its change.
The weather in Saint George 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 Saint George and find detailed weather information for every month.
September and January present stark contrasts in weather. In September, temperatures are generally mild to hot, with an average of 25°C (77°F) and highs peaking at 41°C (107°F), while only experiencing minimal precipitation of 8 mm (0.3 in) over just one day. Humidity levels are relatively moderate at 47%. In contrast, January is much colder, with average temperatures dropping to 5°C (40°F) and nighttime lows plummeting to -9°C (16°F). This month also sees increased precipitation, totaling 39 mm (1.6 in) over five days, along with higher humidity levels averaging 80%. For more details on the cold month, check out Saint George weather in January.
September and February present stark contrasts in weather. September enjoys warm temperatures, with averages around 25°C (77°F) and a maximum rise to 41°C (107°F), coupled with low humidity at 47% and minimal precipitation, only about 8 mm (0.3 in) over just 1 day. In contrast, February sees much cooler temperatures, averaging 6°C (44°F) and dropping as low as -9°C (16°F), along with significantly higher precipitation at 38 mm (1.5 in) spread across 6 days. The humidity also climbs to 82%, making February feel much colder than the dry warmth of September. For more details, you can check out Saint George weather in February.
When comparing the weather in September and March, it’s clear that these months present contrasting climates. September enjoys warmer temperatures, with an average high of 25°C (77°F) and peaks reaching up to 41°C (107°F). In contrast, March experiences cooler conditions, with temperatures averaging around 11°C (52°F) and a maximum of 29°C (85°F), alongside an occasional chill that can bring temperatures down to -4°C (24°F). Additionally, September sees minimal precipitation at just 8 mm (0.3 in) over a single day, while March is much wetter, recording 51 mm (2.0 in) across nine days. The humidity levels also differ significantly, with September at 47%, compared to March's higher humidity of 72%. For more details on March weather, you can visit Saint George weather in March.
The weather in September is characterized by much warmer temperatures, with a minimum of 6°C (43°F) and an average high of 25°C (77°F), soaring up to 41°C (107°F). In contrast, April experiences cooler conditions, with temperatures ranging from a minimum of -1°C (31°F) to an average of 16°C (62°F), peaking at 33°C (92°F). Additionally, September sees only about 8 mm (0.3 in) of precipitation over just one day, while April has slightly higher rainfall at 14 mm (0.5 in) over two days, contributing to increased humidity at 62%. For more specific details about conditions in April, you can refer to Saint George weather in April.
In comparing the weather of September and May, we observe notable differences in temperature and precipitation. September boasts a higher average temperature of 25°C (77°F) with maximums reaching up to 41°C (107°F), making it significantly hotter than May, which averages 21°C (70°F) and peaks at 38°C (100°F). While both months present relatively low humidity levels—47% in September and 45% in May—precipitation is slightly higher in May with 14 mm (0.6 in) spread over three days compared to just 8 mm (0.3 in) on one day in September. For more details, you can explore the specific weather patterns Saint George weather in May.
In comparing the weather of September and June, we see some notable differences. September begins with a more variable temperature range, with minimums dropping to 6°C (43°F) and highs reaching up to 41°C (107°F), while the average temperature sits around 25°C (77°F). It experiences a slight amount of precipitation, with 8 mm (0.3 in) over one day and humidity levels at 47%. In contrast, June is warmer overall, with minimum temperatures at 11°C (52°F) and an average of 28°C (83°F), peaking at 42°C (108°F) without any recorded precipitation, resulting in a lower humidity of 34%. For a more detailed look at the climate, you can check Saint George weather in June.
In comparing the weather of September and July, we notice distinct differences in temperature and precipitation patterns. September offers a wider range of temperatures, with a minimum of 6°C (43°F) and a maximum of 41°C (107°F), averaging around 25°C (77°F). In contrast, July typically sees higher temperatures, ranging from a minimum of 15°C (59°F) to a maximum of 43°C (110°F), with an average of 31°C (87°F). Additionally, September experiences less precipitation, averaging only 8 mm (0.3 in) over just one day, compared to July's 18 mm (0.7 in) of rain over four days. Furthermore, humidity levels are slightly higher in September at 47%, while July boasts a lower humidity of 30%. For more detailed information, you can check Saint George weather in July.
In comparing the weather of September to that of August, we notice several distinct differences. September sees a wider temperature range, with minimums dropping to 6°C (43°F) and an average of 25°C (77°F), while August maintains warmer minimums at 15°C (59°F) and a higher average of 30°C (86°F). The maximum temperatures are quite similar, with September reaching up to 41°C (107°F) and August peaking at 42°C (108°F). Precipitation levels are slightly lower in September, with only 8 mm (0.3 in) over 1 day, as compared to August's 11 mm (0.4 in) over 2 days. Additionally, September has a higher humidity level of 47%, while August is notably drier with only 31% humidity. For more details, you can visit Saint George weather in August.
September and October present a striking contrast in weather patterns. September boasts a warm average temperature of 25°C (77°F), with maximum highs soaring up to 41°C (107°F), while only experiencing minimal precipitation of 8 mm (0.3 in). In comparison, October sees a notable drop in average temperature to 16°C (61°F), with lows plunging to -5°C (23°F) and highs reaching a more moderate 34°C (93°F). Additionally, October brings increased rainfall at 19 mm (0.8 in) over two days and a rise in humidity to 62%. For more details on the climate specifics during this month, check out Saint George weather in October.
September and November present stark contrasts in weather conditions. In September, temperatures typically range from a mild 6°C (43°F) to a scorching 41°C (107°F), with an average high of 25°C (77°F), and the humidity is relatively low at 47%. Precipitation is minimal, averaging only 8 mm over the course of just one day. In comparison, November sees much cooler temperatures, with a minimum of -7°C (20°F) and an average of 11°C (51°F), peaking at 27°C (81°F). This month also experiences increased precipitation at 30 mm over two days and significantly higher humidity levels reaching 77%. For more detailed information, you can visit Saint George weather in November.
September and December exhibit stark contrasts in weather patterns. In September, temperatures range dramatically, with a minimum of 6°C (43°F) and a scorching maximum of 41°C (107°F), resulting in a warm average of 25°C (77°F). The month is relatively dry, experiencing only 8 mm (0.3 in) of precipitation over just 1 day and a humidity level of 47%. In contrast, December brings much colder conditions, with temperatures dipping to a minimum of -8°C (18°F) and an average of just 5°C (41°F). The maximum temperature reaches 20°C (68°F), but the frequency of precipitation increases, totaling 29 mm (1.2 in) across 5 days and accompanied by a higher humidity of 80%. For more specific insights on December weather, check out Saint George weather in December.
As summer transitions into fall, September in Saint George offers a remarkable shift in weather patterns. The temperatures start to moderate, with warm afternoons still hitting highs around 41°C (107°F), while cooler evenings bring a refreshing respite. With only a hint of rainfall recorded over a single day, September remains predominantly dry, making it an ideal time for outdoor adventures. The reduced humidity levels at 47% enhance the comfort of warm days, setting September apart from the sizzling peak of summer. For a deeper dive into the nuances of this unique weather, explore the Saint George Climate.