Last updated: February 24, 2025
Experience delightful September weather at Stinson Beach, United States, where warm days and comfortable evenings create the perfect atmosphere for outdoor adventures. With a maximum temperature reaching a balmy 31°C (89°F) and an average of 16°C (62°F), the climate invites visitors to soak up the sun. Remarkably, this month boasts no precipitation and a minimal 2 mm (0.1 in) of rain, ensuring that outdoor activities remain uninterrupted. Although the humidity lingers at a high 86%, the pleasant conditions promise a refreshing escape along the coastline. Embrace the beauty of Stinson Beach in September, where summer warmth meets coastal tranquility.
As summer gives way to autumn, September in Stinson Beach showcases a delightful range of temperatures that invite outdoor adventures. With a minimum of 10°C (50°F) and a steamy maximum reaching up to 31°C (89°F), the month feels unseasonably warm compared to the cooler spring and early summer months. The average temperature of 16°C (62°F) offers a perfect compromise, ensuring visitors can bask in the sun during the day while enjoying cooler evenings. This remarkable warmth marks a notable peak before the temperatures gradually decline in the following months, making September the ideal time for beachgoers and nature enthusiasts alike to relish the last breath of summer.
September in Stinson Beach is characterized by a strikingly dry spell, with only 2 mm (or 0.1 in) of precipitation recorded throughout the month, mirroring the equally arid conditions of the preceding summer months. This lack of rainfall keeps the landscape sun-drenched and vibrant, as the region transitions out of the warmer summer season. After experiencing minimal precipitation from June to August, September maintains the trend, with no significant rain days to break the dry stretch. As the autumn month approaches, the shift in weather patterns signals the upcoming increase in rainfall, particularly in October, when precipitation tends to climb again. Overall, September embodies the tail end of warm, dry conditions, setting the stage for the wetter months that follow.
As September arrives in Stinson Beach, the humidity remains high, averaging 86%—a slight dip from the peak of 87% seen in both July and August. This summer-like linger in humidity sets the stage for a transition into fall, with the gradual decline signaling the end of the warm months. In fact, throughout the year, humidity levels fluctuate moderately, peaking in the summer and tapering off as autumn sets in, with January still showcasing the highest averages at 85%. Overall, September serves as a bridge, retaining the summer's moisture while hinting at the drier conditions that October will bring, where humidity drops to 80%. This rhythm of humidity is characteristic of Stinson Beach, offering a blend of coastal comfort as the seasons shift.
As September rolls in at Stinson Beach, the UV Index stands at a notable 9, indicating a very high level of sun exposure. This marks a slight decrease from the peak of 11 seen in the peak summer months of June and July, making September still crucial for sun safety. With a burn time of just 15 minutes, it's essential for beachgoers to remain vigilant and protect their skin during outdoor activities. The trend from earlier in the year notably shifts from moderate exposure in January and February to significantly higher levels in the summer; however, September still carries the remnants of summer's intensity. Ensuring proper sun protection measures is vital as days start to shorten but UV exposure remains substantial. For more detailed insights, you can visit Stinson Beach UV Index.
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As summer bids farewell, September in Stinson Beach continues to bask in the warmth of the sun, boasting an impressive 307 hours of sunshine. This marks a gentle decline from the peaks of summer, where June and July bask in a radiant 372 and 373 hours respectively. The month bridges the vibrant summer vibes and the cooler autumn transition, maintaining a robust glow that outshines the quieter months ahead. With the daylight gradually shortening, September provides just enough time to savor the beach, making it a lovely conclusion to the sun-soaked season. As the warmth lingers, it’s the perfect moment to enjoy outdoor adventures before the 276 hours of October usher in a more subdued atmosphere.
In Stinson Beach, the trend of sunny weather begins to rise as spring unfolds, with March and April boasting over 60% chances of sunshine. This sunny disposition peaks in May at 73%. However, as summer rolls in, the likelihood dips, particularly in July and June, which experience lower probabilities of clear skies. By September, the chance of sunshine stabilizes at a moderate 57%, reflecting a promising yet cautious transition into fall. As October approaches, the likelihood gently declines to 50%, indicating that while September still holds the essence of summer, it gradually gives way to the cooler, cloudier months ahead.
As summer wanes in Stinson Beach, September ushers in a gentle transition with an average of 12 hours of daylight. Following the peak of 14 hours in July and August, the days begin to shorten, hinting at the impending fall. This gradual decrease is part of a rhythmic pattern throughout the year, where daylight stretches from a modest 9 hours in January to its zenith in the vibrant summer months. Though September marks a dip from the sun-drenched heights of summer, it still offers ample time for outdoor adventures, inviting locals and visitors alike to savor the softer light and moderate climate as nature prepares for the cooler months ahead.
As September unfolds in Stinson Beach, the winds begin to soften, with an average speed of 3.4 m/s (8 mph), slightly trailing the summer months. This gentle breeze is a subtle shift from the more vibrant gusts of May and June, which peaked at 5.9 m/s (13 mph), creating the lively atmosphere that characterizes the height of the beach season. Following the summer's mild participation, the winds gradually taper off, echoing a tranquil transition into fall. Notably, every month from May to August showcases a peak in wind activity, with speeds hovering around or exceeding 4 m/s (9 mph), before September signals a more serene coastal experience, perfect for contemplative beach strolls and sunset watching. As the year progresses, this gradual decrease foreshadows even calmer days ahead, leading into the quieter months of late autumn.
The weather in Stinson Beach 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 Stinson Beach and find detailed weather information for every month.
September and January exhibit distinctly different weather patterns. In September, temperatures range from a mild 10°C (50°F) to a warm 31°C (89°F), with an average temperature of 16°C (62°F) and virtually no precipitation, creating a dry and relatively humid environment at 86%. In contrast, January sees significantly cooler temperatures that fluctuate between 3°C (38°F) and 20°C (69°F), with an average of 11°C (51°F). This month is marked by considerable rainfall, with 118 mm (4.7 in) spread over 9 days, and a humidity level of 85%. For a more detailed overview, check out Stinson Beach weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a minimum of 10°C (50°F) to a sweltering maximum of 31°C (89°F), with an average around 16°C (62°F). This month experiences negligible rainfall, with only 2 mm recorded and no rainy days, while humidity levels hover at a comfortable 86%. In contrast, February is much cooler, with temperatures dipping to a minimum of 3°C (37°F) and reaching a maximum of 20°C (69°F), resulting in a lower average of 11°C (52°F). This month is notably wetter, averaging 131 mm of precipitation over 8 days, contributing to a humidity level of 82%. For more detailed information, you can check Stinson Beach weather in February.
September and March present contrasting weather patterns. In September, temperatures range from a minimum of 10°C (50°F) to a maximum of 31°C (89°F), with comfortable overall averages around 16°C (62°F). The month is characterized by minimal precipitation, with only 2 mm (0.1 in) recorded over zero days, resulting in a relatively dry climate and high humidity at 86%. In comparison, March experiences cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 19°C (66°F), averaging 11°C (52°F). This month is notably wetter, receiving about 82 mm (3.2 in) of rain over 10 days, while humidity remains slightly lower at 82%. For more detailed information about the weather in March, you can visit Stinson Beach weather in March.
September and April present distinctly different weather patterns. In September, temperatures range from a cool 10°C (50°F) at night to a warm 31°C (89°F) during the day, with an average of 16°C (62°F). The month is notably dry, receiving only 2 mm (0.1 in) of precipitation and maintaining high humidity at 86%. In contrast, April experiences milder temperatures, ranging from a minimum of 6°C (43°F) to a maximum of 25°C (77°F) and an average of 12°C (54°F). This month is much wetter, with 40 mm (1.6 in) of precipitation over about 5 days and a lower humidity level of 79%. For more detailed weather insights, you can check out Stinson Beach weather in April.
When comparing the weather in September and May, September boasts warmer temperatures, with a minimum of 10°C (50°F) and a maximum reaching up to 31°C (89°F), making it the hotter month on average at 16°C (62°F). In contrast, May experiences cooler temperatures, ranging from a minimum of 7°C (45°F) to a maximum of 24°C (75°F), with an average temperature of 13°C (56°F). Furthermore, September tends to be drier, with only 2 mm (0.1 in) of precipitation on no days, while May sees more rainy days and a higher total of 21 mm (0.8 in) over 2 days. Humidity levels are quite similar, with September slightly higher at 86% compared to May's 83%. For a closer look at May weather specifics, you can check Stinson Beach weather in May.
September and June exhibit similar weather patterns, with minimal precipitation and low humidity levels. In September, temperatures range from a minimum of 10°C (50°F) to a maximum of 31°C (89°F), averaging around 16°C (62°F). In contrast, June has slightly cooler temperatures, with a range from 10°C (50°F) to a maximum of 28°C (83°F) and an average of 15°C (59°F). The humidity is fairly consistent between the two months, with September at 86% and June at 84%. For more detailed information, you can check Stinson Beach weather in June.
In comparing the weather of September and July, we see distinct differences in temperature despite similar humidity levels. September features a broader temperature range, with a minimum of 10°C (50°F), an average of 16°C (62°F), and a maximum of 31°C (89°F), allowing for warmer afternoons. In contrast, July has slightly cooler temperatures, ranging from a minimum of 11°C (51°F) to a maximum of 23°C (74°F), which can be found in detail here: Stinson Beach weather in July. Both months experience minimal precipitation, with only 2 mm (0.1 in) recorded and no rainy days, providing a nice, dry climate for outdoor activities.
Comparing the weather in September to that of August reveals some interesting differences. While both months experience similar average temperatures, September has a wider range, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 31°C (89°F). In contrast, August’s temperatures are cooler, fluctuating between a minimum of 11°C (52°F) and a maximum of 24°C (76°F). Both months see minimal precipitation, with only 2 mm (0.1 in) and no rainy days recorded, but September has slightly higher humidity at 86% compared to August's 87%. For those interested in a more detailed look at August's climate, you can check out Stinson Beach weather in August.
September's weather is characterized by warmer temperatures, with a minimum of 10°C (50°F) and an average of 16°C (62°F), peaking at a high of 31°C (89°F). The month remains largely dry, recording only 2 mm of precipitation over no rainfall days, with humidity levels at 86%. In contrast, October experiences cooler conditions, with the minimum temperature dropping to 8°C (47°F) and an average of 15°C (59°F), and a maximum of 27°C (81°F). This month sees a significant increase in precipitation, totaling 35 mm (1.4 in) over two days, alongside slightly lower humidity at 80%. For a more detailed look at the weather specifics, check out Stinson Beach weather in October.
September and November showcase a distinct contrast in weather conditions. In September, temperatures range from a pleasant minimum of 10°C (50°F) to a warm maximum of 31°C (89°F), with an average of 16°C (62°F) and virtually no precipitation. The month enjoys high humidity at 86%, lending a warmer feel to the air. Conversely, November brings cooler temperatures, with a minimum of 5°C (41°F), an average of 12°C (55°F), and a maximum of 21°C (69°F). This month is marked by significantly higher precipitation levels of 54 mm (2.1 in) over 5 days, along with a slight decrease in humidity to 79%. For more details on November weather, check out Stinson Beach weather in November.
September and December present stark contrasts in weather patterns. In September, temperatures are generally warmer, with minimums around 10°C (50°F) and maximums reaching up to 31°C (89°F), while December experiences milder temperatures, ranging from a minimum of 4°C (39°F) to a maximum of 21°C (69°F). Additionally, September boasts very low precipitation with only 2 mm (0.1 in) and no rainy days, whereas December is much wetter, seeing 102 mm (4.0 in) of rain over nine days. Humidity levels are slightly higher in September at 86%, compared to the 79% humidity typically found in December. For a more detailed look at the weather during December, visit Stinson Beach weather in December.
As summer gracefully transitions into autumn, September at Stinson Beach offers a delightful change in weather compared to the hotter months. Visitors can expect mild temperatures, with refreshing breezes enhancing the invigorating coastal atmosphere. The month boasts remarkably low precipitation, ensuring perfect conditions for outdoor adventures without the interruption of rain. While humidity persists, it’s often balanced by comfortable temperatures, making this period ideal for enjoying the natural beauty of the beach. For a more comprehensive understanding of the year-round climate, explore Stinson Beach Climate.