Last updated: February 24, 2025
In September, Sunnyside-Tahoe City experiences a delightful transition from summer warmth to early autumn chill. The maximum temperature reaches a pleasant 32°C (90°F), while the average settles at a comfortable 15°C (59°F). Visitors might encounter cooler evenings, with minimum temperatures dropping to a brisk -3°C (28°F). Rainfall is modest, with about 20 mm (0.8 in) of precipitation over four days, and humidity levels hover around 44%, creating a refreshing atmosphere. This month is ideal for enjoying the stunning fall scenery, hiking, and outdoor activities alongside the serene beauty of Tahoe.
In Sunnyside-Tahoe City, September marks a significant transition as summer begins to give way to autumn. With a minimum temperature of -3°C (28°F) and a comfortable average of 15°C (59°F), the month showcases a delightful blend of warmth and crispness. Notably, the maximum temperature can still reach a pleasant 32°C (90°F), reflecting the tail end of summer's embrace. This trend of gradually decreasing temperatures, following the peak highs of July and August, hints at the approaching cooler months of October and November. As days start to shorten, the refreshing air invites outdoor activities amidst the changing foliage, making September a vibrant time in the region.
In Sunnyside-Tahoe City, September marks a transition toward the wetter months, with precipitation measured at 20 mm (0.8 in) over approximately four days. This slight increase compared to the summer months underscores a gradual shift in the climate, as the region prepares for autumn. Following the exceptionally dry summer, where July and August recorded only 14 mm (0.5 in) and 15 mm (0.6 in) respectively, September’s rains hint at the approaching seasonal change. While the precipitation remains relatively low compared to the winter and early spring months, it sets the stage for the wetter climes ahead, aligning with a broader trend of increasing rainfall as the year progresses.
In Sunnyside-Tahoe City, September marks a notable transition in humidity levels, with an average of 44%, similar to the drier months of July and August. This dip in humidity showcases the region's shift from the peak summer warmth, as the wetness of the preceding months fades away. Following a significant drop during the summer, which sees humidity levels as low as 36% in August, September's figures gently rise from the dry lows but still reflect a relatively comfortable atmosphere. As autumn approaches, humidity begins to climb again, paving the way for the wetter months ahead, with October expected to bring a more humid climate of 65%. This pattern illustrates the seasonal ebb and flow of moisture in this picturesque location, making September a pleasantly dry precursor to the lushness of fall.
As September arrives in Sunnyside-Tahoe City, residents and visitors can expect a UV Index of 10, indicating a very high exposure category with a burn time of just 15 minutes. This marks a slight decrease from the extreme levels seen in the peak summer months of June, July, and August, where the UV Index consistently hit 12. However, the intensity of solar radiation remains significant, reminding everyone to take precautions against sunburn, especially during midday hours. Following September, the UV Index will taper off to 7 in October, signaling the onset of a much milder sun exposure season. As a reminder to stay sun-safe throughout the year, you can check the full details here: Sunnyside-Tahoe City UV Index.
UV Risk Categories
As September unfolds in Sunnyside-Tahoe City, residents and visitors alike are treated to 322 hours of glorious sunshine, marking a slight decline from the sun-soaked peak of July and August. This month's weather remains warm and inviting, continuing the trend of abundant sunlight experienced throughout the summer. The gradual shift away from the high summer totals signals the onset of autumn, yet September retains a charm of its own—a perfect opportunity for enjoying outdoor activities amidst the vibrant fall foliage. With sunlight levels still significantly higher than the winter months, September serves as a beautiful transition, bridging the long sunlit days of summer with the crisp, cooler days ahead.
September in Sunnyside-Tahoe City shines brightly, boasting an impressive 82% chance of sunny weather. Following the summer peak in August, which enjoys a remarkable 90% sunshine likelihood, September maintains the momentum with a delightful blend of warmth and clear skies. This transition into autumn still favors outdoor enthusiasts, as the likelihood of sun remains significantly higher compared to the earlier months of the year. April to June show a steady rise, culminating in the summer months, demonstrating a clear trend that highlights September as a prime time for enjoying the natural beauty of this picturesque locale. As October approaches, the chance of sunny days dips to 51%, making September an especially attractive month for those seeking vibrant days before fall takes hold.
As summer fades in September, Sunnyside-Tahoe City experiences a gentle decline in daylight hours, with approximately 12 hours of sunlight illuminating the stunning landscape. This marks a shift from the peak of 14 hours seen in the height of summer, as the days gradually shorten. The transition into autumn begins to unfold, with daylight decreasing steadily from August's 13 hours, hinting at the cozy, golden-hued days ahead. The trend from January to September showcases the region’s dynamic seasonal changes, where sunlight increases from the winter months, peaking mid-year before tapering off towards the colder seasons. Enjoy these longer evenings while they last, as October brings even shorter days, reaching 11 hours of daylight.
As September rolls into Sunnyside-Tahoe City, the winds maintain a gentle whisper, averaging 2.4 m/s (5 mph), a slight dip from the bustling summer breezes. This calmness is in stark contrast to the winter months, where wind speeds can rise significantly. The trend throughout the year reveals a softening of winds during late summer and early fall, creating a serene atmosphere ideal for outdoor activities and reflection. With October's winds picking up momentum once again, September serves as a peaceful interlude, inviting both locals and visitors to enjoy the stunning natural beauty of the region in a tranquil setting.
The weather in Sunnyside-Tahoe City 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 Sunnyside-Tahoe City and find detailed weather information for every month.
In September, temperatures in Sunnyside-Tahoe City range from a chilly -3°C (28°F) at night to a warm average of 15°C (59°F) during the day, peaking at a maximum of 32°C (90°F). The weather is relatively dry with only 20 mm (0.8 in) of precipitation over approximately four days, and humidity sits at a comfortable 44%.
In stark contrast, January experiences much colder conditions, with temperatures dipping as low as -13°C (9°F), averaging around 0°C (31°F), and reaching a maximum of 12°C (54°F). The month is significantly wetter, recording 213 mm (8.4 in) of precipitation over 11 days, accompanied by high humidity levels of 84%. For a detailed look at January weather specifics, check out Sunnyside-Tahoe City weather in January.
September and February showcase striking contrasts in weather. In September, temperatures range from a chilly -3°C (28°F) at night to a warm 32°C (90°F) during the day, with an average of 15°C (59°F). This month sees relatively low precipitation, averaging around 20 mm (0.8 in) over just 4 days, and the humidity sits at a comfortable 44%. Conversely, February is much colder, with temperatures dipping down to -17°C (1°F) at night and peaking at 16°C (61°F) during the day, averaging -1°C (30°F). The month is significantly wetter, receiving about 220 mm (8.6 in) of precipitation spread over 11 days, accompanied by much higher humidity at 84%. For more information, you can check out the Sunnyside-Tahoe City weather in February.
September and March present markedly different weather conditions. September typically enjoys milder temperatures with a minimum of -3°C (28°F), an average of 15°C (59°F), and can reach up to 32°C (90°F). The month sees relatively low precipitation of 20 mm (0.8 in) over about 4 days, coupled with a humidity level of 44%. In contrast, March is much colder, with temperatures ranging from a minimum of -12°C (11°F) to a maximum of 16°C (60°F) and an average of 0°C (33°F). This month is characterized by significantly higher precipitation, totaling 196 mm (7.7 in) over 15 days, and a humidity level that climbs to 83%. For a deeper look at the climate specifics, check out Sunnyside-Tahoe City weather in March.
When comparing the weather in September and April, significant differences emerge. September typically enjoys milder temperatures, ranging from a minimum of -3°C (28°F) to a pleasant average of 15°C (59°F), with maximums reaching 32°C (90°F). In contrast, April experiences much cooler temperatures, with a minimum of -13°C (10°F) and an average of only 4°C (39°F), peaking at 18°C (64°F). Additionally, September sees relatively low precipitation of 20 mm (0.8 in) over just 4 days, while April is notably wetter, receiving 96 mm (3.8 in) of rain across 8 days. The humidity in April is also higher at 81%, compared to September's 44%. For more detailed insights, check out Sunnyside-Tahoe City weather in April.
When comparing the weather in September and May, notable differences emerge in temperature and precipitation patterns. September generally experiences warmer temperatures, with lows around -3°C (28°F) and maxing out at 32°C (90°F), resulting in a comfortable average of 15°C (59°F). In contrast, May tends to be cooler, featuring a minimum of -8°C (17°F) and a maximum of 26°C (79°F), leading to an average temperature of 8°C (47°F). Additionally, May sees significantly higher precipitation levels at 71 mm (2.8 in) over 10 days, compared to September's 20 mm (0.8 in) spread across 4 days. The humidity also differs markedly, with May's humidity at 74%, making it feel moister than September's 44%. For a closer look at the weather specifics in May, you can check out Sunnyside-Tahoe City weather in May.
September and June exhibit quite similar temperature ranges, with both months featuring a minimum temperature of -3°C (28°F) and an average of 15°C (59°F). However, September tends to be slightly warmer at its maximum, reaching up to 32°C (90°F), compared to June's peak of 30°C (87°F). Precipitation levels are comparable, with September experiencing 20 mm (0.8 in) and June receiving 18 mm (0.7 in), though both months see an average of four rainy days. A notable difference is in humidity, as September has a lower humidity level of 44%, while June is more humid at 64%. For more detailed information, you can check Sunnyside-Tahoe City weather in June.
In comparing the weather of September and July, both months exhibit maximum temperatures reaching 32°C (90°F), but September showcases a broader temperature range, with minimums dipping to a cooler -3°C (28°F) compared to July's milder 6°C (44°F). The average temperature in September is also lower at 15°C (59°F) versus July's warmer 20°C (68°F). Precipitation levels are slightly higher in September at 20 mm (0.8 in) compared to July’s 14 mm (0.5 in), though both months experience rainfall on four days. Interestingly, both months maintain the same humidity level of 44%. For more detailed insights, you may refer to the Sunnyside-Tahoe City weather in July.
September's weather shows a notable shift compared to August. While both months experience a maximum temperature of 32°C (90°F), September has a wider temperature range with a minimum of -3°C (28°F) compared to August's milder minimum of 5°C (40°F). The average temperature in September is 15°C (59°F), which is lower than August's average of 19°C (67°F). Additionally, September sees slightly more precipitation with 20 mm (0.8 in) over 4 days, whereas August recorded 15 mm (0.6 in) across 5 days. Humidity levels are also higher in September at 44%, compared to 36% in August. For a more detailed insight into the weather conditions, you can check Sunnyside-Tahoe City weather in August.
In comparing the weather between September and October, we can see a distinct shift in temperature and humidity levels. September boasts a more variable temperature range, with minimums around -3°C (28°F) and maximums reaching up to 32°C (90°F), resulting in an average of 15°C (59°F). In contrast, October experiences cooler temperatures, with minimums dropping to -6°C (21°F) and an average of 8°C (47°F), although it still occasionally reaches a maximum of 27°C (81°F). Additionally, October sees a significant increase in precipitation to 52 mm (2.1 in) over 3 days, as opposed to September's lighter 20 mm (0.8 in) across 4 days, and a rise in humidity from 44% to 65%. For more details on specific weather patterns, you can check Sunnyside-Tahoe City weather in October.
September and November present stark contrasts in weather patterns. September features a broad temperature range, with nighttime lows averaging around -3°C (28°F) and daytime highs peaking at 32°C (90°F), alongside relatively low humidity at 44% and minimal precipitation of just 20 mm over four days. In contrast, November brings considerably lower temperatures, with averages dropping to a chilly 4°C (39°F) and nighttime lows plunging to -12°C (10°F). Additionally, November sees a significant increase in precipitation, totaling 103 mm over seven days, and humidity rising to 84%. This shift marks a transition from the warmth of early fall to the brisk chill of late autumn. For more detailed information, you can check this link: Sunnyside-Tahoe City weather in November.
The weather in September is marked by a wider temperature range, with minimums reaching -3°C (28°F) and maximums soaring to 32°C (90°F), while averaging around 15°C (59°F). In contrast, December experiences colder temperatures, with the minimum dropping to -11°C (13°F) and an average of -1°C (31°F). Furthermore, December is significantly wetter, receiving 169 mm (6.6 in) of precipitation over 11 days, compared to September's modest 20 mm (0.8 in) over just 4 days. The humidity also rises in December to 83%, compared to September's 44%. For more information, you can check out Sunnyside-Tahoe City weather in December.
As summer gracefully transitions into fall, September in Sunnyside-Tahoe City offers a unique climatic experience. With daytime temperatures reaching a comfortable 32°C (90°F), it stands out as a warmer month compared to the cooler autumn temperatures that follow. However, don't let the warmth fool you; nighttime can dip down to a chilly -3°C (28°F), reminding us that winter is just around the corner. Precipitation is minimal, with only a few days of light rain totaling about 20 mm (0.8 in), and the average humidity rests at a pleasant 44%, providing ideal conditions for outdoor activities. For those intrigued by how September weather compares to other months, dive deeper into the details at Sunnyside-Tahoe City Climate.