Last updated: February 24, 2025
In Bodega Bay, United States, September boasts a delightful climate characterized by a maximum temperature reaching 33°C (92°F), with a comfortable average of 17°C (63°F). The nights cool down to a refreshing minimum of 9°C (49°F), providing a pleasant contrast. Rainfall is scarce this month, with just 2 mm (0.1 in) recorded across 0 days, ensuring ample sunshine for outdoor activities. With humidity levels at 68%, the air remains pleasantly breathable, making September an ideal time to explore the scenic beauty of this coastal gem.
September in Bodega Bay signals a transition into warmer days, with temperatures reaching a maximum of 33°C (92°F), the highest of the year. As summer's warmth lingers, the average temperature settles at a pleasant 17°C (63°F), creating an inviting atmosphere for outdoor activities. The minimum temperature of 9°C (49°F) remains comfortable, reflecting a mild late summer vibe. This month stands out for its significant rise in maximum temperatures compared to earlier months, showcasing a clear trend towards warmth as the region bids farewell to summer. As autumn approaches, these favorable conditions make September a captivating time to experience the natural beauty of Bodega Bay.
In September in Bodega Bay, precipitation remains notably low, mirroring the dry patterns established during the summer months. With only 2 mm (0.1 in) recorded and no rainy days, this trend solidifies September as part of the region's arid late-summer period. The preceding months of July and August experienced similar conditions, with each month accumulating just 1 mm and 2 mm, respectively. This continuation of minimal rainfall paves the way for a drier coastal atmosphere, as the region prepares for a transition to the wetter months ahead. The stark contrast to the heavier precipitation recorded earlier in the year, such as 141 mm in February, highlights the seasonal variability characteristic of Bodega Bay's climate.
In September, Bodega Bay experiences a modest rise in humidity, settling at 68% after the drier summer months. This slight increase marks a transition from the summer's lower humidity levels—peaking at 66% in August—toward the wetter autumn months ahead. As the days grow shorter and temperatures begin to drop, humidity gradually climbs, creating a more comfortable environment compared to the sweltering heights of July at 70%. The general trend reveals a shift from the high humidity of the early year, peaking at 86% in January, to a gradual decrease through summer, fostering a refreshing coastal climate that invites both residents and visitors to enjoy Bodega Bay’s stunning landscapes.
September in Bodega Bay sees a UV Index of 9, placing it in the very high exposure category, which means that sun safety is crucial for outdoor activities. As summer fades, the UV Index begins to decline from its peak in June and July, yet it remains significantly elevated compared to earlier months. With a burn time of just 15 minutes, even brief sun exposure can lead to skin damage, underscoring the importance of protective measures like sunscreen and clothing. This trend highlights the transitionary nature of the season, where the sun still exerts a strong influence, reminding residents and visitors to stay vigilant. For more detailed information, check the Bodega Bay UV Index.
UV Risk Categories
As September graces Bodega Bay, the region enjoys a delightful transition marked by 306 hours of sunshine. This month, nestled between the radiant peak of summer in July and the mellow warmth of October, reflects a slight dip in sunlight but still offers a comforting glow. Sunshine hours flourish from the new year, peaking dramatically in June and July with 374 and 375 hours respectively, crafting a vibrant summer tapestry. As we ease into fall, the days grow shorter yet retain a warm charm, making September a captivating blend of summer’s lingering brilliance and autumn’s gentle welcome, with ample sunlight still illuminating the shoreline.
As September arrives in Bodega Bay, the likelihood of enjoying sunny weather remains pleasantly steady at 63%. This figure reflects a continuation of the summer's sunny disposition, with May boasting the highest chance of clear skies at 77%. Although the sunniest days begin to wane moving into October, September offers a delightful transition, maintaining a balance between warmth and the impending autumn chill. The weather trend shows a gradual decrease in sunshine as the year unfolds, but September stands out as a prime time for outdoor activities, retaining that vibrant summer energy just a little longer.
As summer wanes and September rolls in, Bodega Bay embraces a gentle decline in daylight, with 12 hours of sun gracing the days. This marks a subtle shift from the vibrant, elongated days of summer, where sunlight peaked at 14 hours in June, July, and August. In contrast to the increasing daylight of spring—rising from 9 hours in January to a peak of 14 hours in May—September signals a transition toward shorter days, leading into the cooler months ahead. With each sunset becoming a little earlier, residents and visitors alike can savor the crisp autumn air while still enjoying a generous share of daylight before the year’s end.
As autumn approaches in Bodega Bay, September brings a gentle yet refreshing breeze, with an average wind speed of 3.2 m/s (7 mph). This slight dip in wind intensity from the summer months mirrors the transition into cooler temperatures, as the region shifts from the brisk gusts of May (the windiest month, at 5.9 m/s) to the calmer days ahead. While the winds in September are comparable to those in January and August, they maintain a delightful consistency that characterizes this coastal area. As the year progresses, the wind speeds tend to decrease, culminating in the stillness of November, but for now, the September wind softly whispers of the seasonal change, inviting residents and visitors alike to embrace the charm of Bodega Bay's coastal allure.
The weather in Bodega Bay 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 Bodega Bay and find detailed weather information for every month.
Comparing the weather in September and January reveals significant differences in temperature and precipitation. In September, temperatures can range from a mild 9°C (49°F) at night to a warm 33°C (92°F) during the day, while January sees much cooler conditions, with a minimum of 2°C (36°F) and a maximum of 22°C (72°F). Additionally, September experiences remarkably low precipitation, averaging just 2 mm (0.1 in) and no rainy days, whereas January is much wetter, with 121 mm (4.8 in) of rain over about 9 days. The humidity also rises in January to 86%, compared to September's 68%, adding to the overall chill of the winter month. For more details on January weather, check out Bodega Bay weather in January.
September and February present contrasting weather patterns. September boasts warmer temperatures, with a minimum of 9°C (49°F) and an average of 17°C (63°F), peaking at a hot 33°C (92°F). The month is relatively dry, featuring only 2 mm of precipitation across no rainy days and a moderate humidity level of 68%. In stark contrast, February is considerably cooler, with a minimum temperature of 1°C (34°F) and an average of 11°C (51°F), rising to a maximum of 22°C (71°F). This month experiences significant rainfall, accumulating 141 mm (5.5 in) over 9 rainy days, and higher humidity at 84%. For a detailed look at the conditions in February, check out Bodega Bay weather in February.
When comparing the weather in September and March, notable differences emerge. September typically experiences warmer temperatures, with a minimum of 9°C (49°F) and a maximum of 33°C (92°F), while March is cooler, starting with a minimum of 3°C (38°F) and reaching a maximum of 21°C (70°F). Additionally, September boasts very low precipitation, averaging just 2 mm (0.1 in) over the course of the month, while March is quite the opposite with an average precipitation of 83 mm (3.3 in) and 10 rainy days. Humidity levels also vary, with September at 68% compared to March's higher 83%, contributing to a distinctly different feel between the two months. For more information, you can check Bodega Bay weather in March.
When comparing the weather in September and April, notable differences emerge in temperature and precipitation. September enjoys a broader temperature range, with minimums of 9°C (49°F) and a maximum of 33°C (92°F), averaging around 17°C (63°F), while April's temperatures are cooler, peaking at 27°C (81°F) and averaging 13°C (55°F). Additionally, April experiences significantly more rainfall, with 47 mm (1.8 in) of precipitation over five days, contrasting sharply with September's dry conditions of merely 2 mm (0.1 in) and no rainy days. The humidity also tends to be higher in April at 80%, compared to September's 68%. For more detailed insights, check out Bodega Bay weather in April.
When comparing the weather in September and May, notable differences emerge. September tends to be warmer, with an average temperature of 17°C (63°F) and maximum highs reaching up to 33°C (92°F). In contrast, May has a cooler average of 14°C (57°F), with maximum temperatures peaking at 27°C (81°F). Additionally, September is largely dry, boasting just 2 mm of precipitation over the month with no rainy days, while May experiences more moisture, recording 25 mm of rain over three days. Humidity levels are also slightly higher in May at 80%, compared to 68% in September. For more specific insights, you can explore Bodega Bay weather in May.
September weather features a broader temperature range, with minimums of 9°C (49°F) and maximums reaching up to 33°C (92°F), offering more variability compared to June, which sees temperatures from a minimum of 10°C (50°F) to a maximum of 29°C (84°F). Both months share the same low precipitation levels of 2 mm (0.1 in) and no rainy days, but September tends to be slightly less humid at 68%, compared to June's higher humidity of 76%. For those curious about specific conditions during June, you can check out the detailed forecast at Bodega Bay weather in June.
When comparing the weather in September to that in July, September offers a wider temperature range, with minimums of 9°C (49°F) and maximums reaching up to 33°C (92°F). In contrast, July's temperatures are slightly milder, with minimums of 10°C (51°F) and maximums peaking at 26°C (80°F). Both months exhibit low precipitation levels, with only a trace amount falling on zero days, but September is marked by slightly higher humidity at 68% compared to July's 70%. For a more detailed view of the weather during July, you can check this link: Bodega Bay weather in July.
In comparing the weather between August and September, we see a notable shift in temperature ranges. September experiences slightly higher extremes, with a minimum temperature of 9°C (49°F) and a maximum of 33°C (92°F), while August maintains a more moderate range with a minimum of 10°C (51°F) and a maximum of 27°C (82°F). Both months have similar average temperatures around 17°C (63°F), but September's higher maximum indicates a warmer trend. Precipitation levels remain minimal in both months, each recording just 2 mm (0.1 in) with no rainy days. Humidity is marginally higher in September at 68%, compared to 66% in August, suggesting a slight increase in moisture in the air. For more detailed insights, you can check out Bodega Bay weather in August.
September generally experiences warmer temperatures, with minimums around 9°C (49°F), averages of 17°C (63°F), and maximums reaching up to 33°C (92°F). In contrast, October sees a slight drop in temperature, with minimums of 6°C (43°F), averages of 15°C (60°F), and maximums of 31°C (87°F). Additionally, October brings increased rainfall, with 38 mm (1.5 in) of precipitation over 2 days, compared to virtually no rain in September. Humidity also rises slightly from 68% in September to 72% in October, reflecting the shift toward cooler, wetter conditions. For more detailed information, check out Bodega Bay weather in October.
In September, the weather is characterized by warmer temperatures, with a minimum of 9°C (49°F), an average of 17°C (63°F), and a maximum reaching up to 33°C (92°F). This month experiences minimal precipitation, with only 2 mm recorded over no rainy days and a humidity level of 68%. In contrast, November brings a noticeable drop in temperature, featuring a minimum of 3°C (37°F), an average of 12°C (54°F), and a high of 23°C (73°F). This month is also significantly wetter, with 56 mm of rainfall occurring over five days and higher humidity at 84%. For those curious about the specifics of the climate during this month, more details can be found at Bodega Bay weather in November.
September weather presents a warm and variable climate, with temperatures ranging from a cool 9°C (49°F) at night to a scorching 33°C (92°F) at its peak. With an average of 17°C (63°F) and minimal precipitation of just 2 mm over 0 days, the month enjoys relatively low humidity at 68%, making it a pleasant time to be outdoors.
In contrast, December brings a notable shift towards cooler temperatures, with a minimum of 3°C (37°F), an average of 10°C (51°F), and a maximum reaching 23°C (73°F). The month is significantly wetter, receiving 100 mm (3.9 in) of rainfall over 9 days, and the humidity rises to 84%. This change in weather patterns emphasizes the transition from the warm, dry conditions of September to the cooler, wetter climate of December. For more details, you can check Bodega Bay weather in December.
As summer transitions to autumn in Bodega Bay, September showcases a delightful blend of warm temperatures and refreshing breezes. Unlike the heat of July and August, this month offers a pleasant average that invites outdoor adventures without the discomfort of excessive humidity. With practically no rainfall recorded, it stands in stark contrast to the wetter months ahead, making it an ideal time for exploring the scenic coastline. The average humidity remains comfortable, ensuring that the coastal air is both invigorating and enjoyable. For more insights into the unique weather patterns of this charming destination, visit Bodega Bay Climate.