Last updated: February 24, 2025
September in Reno, United States, features a diverse climate with temperatures ranging dramatically from a scorching 36°C (97°F) at its peak to a chilly 0°C (32°F) at night, resulting in an average of 18°C (64°F). Visitors can expect generally dry conditions, with only 8 mm (0.3 in) of precipitation spread over just two days, making it a great time for outdoor activities. The humidity level, at 41%, contributes to a comfortable atmosphere, allowing for enjoyable exploration of the city and surrounding landscapes. Whether embracing the warmth during the day or savoring the cool evenings, September in Reno offers a unique seasonal experience.
In Reno, United States, September ushers in the early whispers of fall, showcasing a delightful transition in temperatures. With minimums around 0°C (32°F) and daytime averages climbing to a comfortable 18°C (64°F), the month provides a pleasant escape from the summer heat. The warmth peaks with impressive highs of 36°C (97°F), reflecting the lingering influence of summer. As the days gradually shorten, the crispness in the air hints at the cooler months ahead, making September a perfect time for outdoor activities in this vibrant city. Whether enjoying a sunny hike or a leisurely evening stroll, the moderate temperatures create an inviting and refreshing atmosphere for residents and visitors alike.
In September, Reno experiences a notable shift in precipitation patterns, marking the transition into autumn. With only 8 mm (0.3 in) of rainfall spread over just 2 days, it stands as one of the driest months of the year, paralleling the lighter showers seen in both July and August. This trend of reduced precipitation mirrors the overall movement toward drier conditions as summer wanes, contrasting sharply with the wetter months earlier in the year, where January alone sees a hefty 91 mm (3.6 in) of rain across 7 days. As the city prepares for fall, the diminishing rainfall hints at an impending dryness before winter sets in with its own deluge of moisture.
As summer gives way to autumn, September in Reno, United States, experiences a moderate humidity level of 41%. This marks a noticeable increase from the drier summer months, where July and August recorded their lowest levels at 44% and 34%, respectively. The transition into fall signals a shift towards higher humidity, though still notably lower than the winter months, which see humidity soar to 85% in January and 82% in December. This gradual rise hints at the impending chill of the season, as Reno's weather begins to embrace the dampness that accompanies cooler temperatures.
In September, Reno experiences a UV Index of 10, categorizing it as very high and marking a notable transition from the peak summer months. This drop from the extreme levels seen in July and August signals a slight respite for sun-seekers, yet it still requires caution, as the recommended burn time remains a brisk 15 minutes. As the season shifts toward fall, residents should remain vigilant about sun protection to avoid skin damage, reflecting a trend of gradually decreasing UV levels following the height of summer. For those planning outdoor activities, it's essential to stay informed and prepared. For more details, check out Reno UV Index.
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As summer gives way to fall, September in Reno embraces a splendid 322 hours of sunshine, offering a golden transition marked by warm days and crisp evenings. This month maintains a healthy brightness, slightly lower than the peak of 396 hours in July but still robust compared to the dimmer months that follow. The sunshine starts to wane as the year progresses, with October seeing a decline to 287 hours, hinting at the encroaching chill of winter. However, September's warmth creates a vibrant atmosphere, perfect for outdoor activities and enjoying the scenic beauty of the region before the days grow shorter. With each passing month, the trend reveals a gradual ebb in sunlight, yet September stands resilient, a reminder of summer's lingering embrace amidst the impending autumnal shift.
As summer transitions into autumn, Reno, United States, maintains a strong likelihood of sunny weather in September, with a commendable 82% chance of sun. This month continues the trend set by August's remarkable 91% sunshine probability, indicating that the warm, clear skies linger just a bit longer as the seasons shift. Following the peak of summer, September still offers plenty of golden rays, making it an ideal time for outdoor activities before autumn sets in. The gradual decline in sunny days becomes more perceptible in the following months, with October dipping to 54%, but for now, September remains a month of abundant sunshine and pleasant weather.
As September rolls into Reno, the daylight duration begins to subtly shift, marking a transition from the long summer days to the coziness of autumn. With approximately 12 hours of daylight, the month showcases a gentle decline from its peak in the summer, where daylight stretched to 14 hours. This gradual decrease reflects the rhythmic dance of the seasons, as September serves as a bridge—holding onto the warmth of late summer while hinting at the shorter, cooler days ahead. Following this trend, the daylight will continue to dwindle into October, ultimately settling back to 9 hours by December, encapsulating the cyclic nature of time and light in this vibrant region.
As summer transitions to autumn, September in Reno experiences a gentle shift in wind patterns, with an average wind speed of 2.0 m/s (4 mph), mirroring the calm of August. Throughout the year, the average wind speeds have shown a gradual increase from 1.8 m/s in January to a peak of 2.4 m/s in May, before settling into a more consistent flow during the late summer and early fall months. This stability, with September's figures being on par with October, hints at a quiet, serene atmosphere that beckons outdoor activities under the clear skies. Notably, the trend indicates a general cooling down and a slight decline in wind intensity as Reno gears up for the chillier months ahead, making September a perfect time to enjoy the mild breezes of early fall.
The weather in Reno 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 Reno and find detailed weather information for every month.
September and January showcase a stark contrast in weather conditions. September, with temperatures ranging from a chilly 0°C (32°F) to a warm 36°C (97°F), boasts an average of 18°C (64°F) and minimal precipitation of just 8 mm (0.3 in) over only 2 days, accompanied by a comfortable humidity of 41%. In contrast, January is much colder, with temperatures dipping as low as -20°C (-3°F) and only peaking at 16°C (60°F), yielding an average of 0°C (33°F). This month experiences significant rainfall, totaling 91 mm (3.6 in) over 7 days, while humidity rises sharply to 85%. For more details on January weather, visit Reno weather in January.
September and February present vastly different weather experiences. In September, temperatures range from a minimum of 0°C (32°F) to a maximum of 36°C (97°F), with a pleasant average of 18°C (64°F). This month typically sees little precipitation, around 8 mm (0.3 inches), and only about 2 days of rain, resulting in a relatively low humidity level of 41%. In contrast, February is much colder, with temperatures fluctuating from a frigid minimum of -20°C (-4°F) to a maximum of 19°C (66°F), and an average temperature of just 1°C (34°F). Rainfall is considerably higher at 87 mm (3.4 inches) over about 8 days, contributing to a significant humidity level of 87%. For more details, you can learn about Reno weather in February.
The weather in September and March showcases a remarkable contrast. September typically enjoys a mild climate with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 36°C (97°F), while averaging around 18°C (64°F). The month experiences minimal precipitation, with only 8 mm (0.3 in) falling over just 2 days, and a relatively low humidity of 41%. In contrast, March is much cooler, with temperatures dipping to a minimum of -16°C (4°F) and peaking at 21°C (71°F), averaging only 3°C (38°F). This month is notably wetter, experiencing 71 mm (2.8 in) of precipitation over 11 days, and a much higher humidity level of 84%. For more detailed information, you can visit Reno weather in March.
When comparing the weather in September and April, there are notable differences in temperature and precipitation. September typically boasts warmer temperatures, with a minimum of 0°C (32°F) and an average high of 36°C (97°F), while April features cooler conditions, with minimum temperatures dropping as low as -12°C (10°F) and an average maximum of 27°C (80°F). Additionally, September tends to be drier, receiving only 8 mm (0.3 in) of precipitation across just 2 days, compared to April's wetter conditions, which bring about 32 mm (1.3 in) of rain over 6 days. Moreover, September has a lower humidity level of 41%, making it feel drier than April's more humid atmosphere at 78%. For further details on April weather, you can check Reno weather in April.
In September, temperatures are notably warmer, with a minimum of 0°C (32°F) and an average of 18°C (64°F), peaking at a high of 36°C (97°F). The month experiences limited precipitation, averaging only 8 mm (0.3 in) over just 2 days, accompanied by a relatively low humidity of 41%. In contrast, May presents cooler temperatures, with a minimum of -7°C (19°F) and an average of 13°C (55°F), reaching a maximum of 32°C (90°F). May is also significantly wetter, seeing 39 mm (1.5 in) of rain across 8 days, and it has a higher humidity level of 64%. For a deeper dive into the specifics of weather conditions during this month, check out Reno weather in May.
In comparing the weather of September and June, both months experience similar maximum temperatures, reaching up to 36°C (97°F in September and 98°F in June). However, September typically has a slightly lower average temperature, with a minimum of 0°C (32°F) compared to June's minimum of 1°C (33°F). Precipitation levels are comparable, with September seeing about 8 mm over 2 days and June experiencing 8 mm over 3 days. Notably, June has higher humidity levels at 56%, while September's humidity is lower at 41%. For more detailed insights into June's weather, you can visit Reno weather in June.
In comparing the weather between September and July, it is evident that September experiences a wider range of temperatures, with a minimum of 0°C (32°F) and a maximum of 36°C (97°F), averaging around 18°C (64°F). In contrast, July has a higher average temperature of 24°C (75°F), with a minimum of 8°C (47°F) and a maximum of 37°C (99°F). Additionally, September sees less precipitation, with only 8 mm (0.3 in) over 2 days, while July has slightly more, at 11 mm (0.4 in) across 4 days, and a slightly higher humidity level of 44% compared to September's 41%. For more detailed information, you can check out Reno weather in July.
In comparing the weather of September and August, September experiences a noticeable drop in the minimum temperature, with lows reaching 0°C (32°F) compared to August's mild 8°C (47°F). On average, September's temperatures are cooler at 18°C (64°F), while August boasts a warmer average of 23°C (73°F). Although both months have similar maximums, August's peak at 37°C (98°F) is slightly higher than September's 36°C (97°F). Precipitation in September is slightly lower at 8 mm (0.3 in) over just 2 days, in contrast to August's 11 mm (0.4 in) over 3 days, and September also enjoys a higher humidity at 41% compared to August's 34%. For a more detailed look at weather patterns, you can check out Reno weather in August.
In September, the weather tends to be quite warm with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 36°C (97°F), accompanied by low precipitation of just 8 mm (0.3 in) over two days and a humidity level of 41%. In contrast, October experiences a noticeable drop in temperatures, with a minimum of -8°C (18°F) and an average of 10°C (51°F), peaking at 29°C (85°F). Additionally, October sees a significant increase in precipitation to 33 mm (1.3 in) over the same number of days, paired with higher humidity at 60%. For more detailed insights, you can check Reno weather in October.
September and November present contrasting weather patterns. In September, temperatures can soar to a maximum of 36°C (97°F) with an average of 18°C (64°F), accompanied by low humidity of 41% and minimal precipitation at just 8 mm over 2 days. In stark contrast, November experiences cooler conditions, with temperatures ranging from a chilly -13°C (9°F) to a pleasant maximum of 23°C (73°F) and an average temperature of only 5°C (42°F). Rainfall is significantly higher in November, totaling 39 mm over 5 days, alongside increased humidity at 81%. For more insights, check Reno weather in November.
In September, the weather is characterized by warm temperatures, with a minimum of 0°C (32°F) and an average of 18°C (64°F), peaking at a hot 36°C (97°F). The month sees minimal precipitation, with only 8 mm (0.3 in) falling over just 2 days and a relatively low humidity level of 41%. In stark contrast, December brings much colder conditions, where the minimum temperature drops to -15°C (5°F) and the average stands at 0°C (32°F). The maximum temperature is mild at 14°C (58°F), but this month experiences significantly higher precipitation at 64 mm (2.5 in) spread over 8 days, along with a much higher humidity level of 82%. For more details on December's weather conditions, check out Reno weather in December.
September in Reno presents a unique transition from the sweltering summer heat to the cooler embrace of autumn. With average temperatures hovering around a comfortable 18°C (64°F), the month is marked by significantly milder conditions compared to the peak summer months. Notably, maximum temperatures can still soar up to 36°C (97°F), creating occasional summer-like days. Rainfall remains minimal, with only about 8 mm falling over just two days, indicating that dry, sunny days still dominate. The 41% humidity adds to the pleasantness of the air, making September an ideal time for outdoor activities. To explore more about the climate throughout the year, visit Reno Climate.