September Weather in Solana Beach, United States

Last updated: February 24, 2025

In September, Solana Beach experiences a delightful coastal climate marked by a maximum temperature of 32°C (90°F) and an average of 21°C (71°F), providing the perfect backdrop for outdoor activities. With a minimum temperature dipping to 15°C (60°F), evenings are pleasantly cool. Notably, the month is characterized by minimal precipitation, with only 5 mm (0.2 in) recorded across zero rainy days. The 52% humidity level contributes to the comfortable atmosphere, making September an ideal time to enjoy the stunning beaches and vibrant seaside community of Solana Beach.

September Temperature in Solana Beach

In September, Solana Beach enjoys the last whispers of summer, with temperatures welcoming the transition to fall. The minimum temperature hovers around 15°C (60°F), while the average climbs to a pleasant 21°C (71°F), creating ideal conditions for outdoor activities. Days can still be warm, peaking at a maximum of 32°C (90°F), reminiscent of the hotter months, yet the evenings invite a cool breeze that adds a refreshing touch to the atmosphere. This month strikes an enchanting balance, providing gorgeous sunny days perfect for enjoying the beach while hinting at the approaching autumn with its mild nights.

September Weather in Solana Beach: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Solana Beach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec565658616265707271686257
Data source: Temperature data for Solana Beach generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Solana Beach

September in Solana Beach marks a notable transition into the drier season, with precipitation plummeting to just 5 mm (0.2 in) across the month, occurring on zero days. This trend of minimal rainfall follows a summer period characterized by nearly complete dryness, with both July and August recording only 2 mm (0.1 in). The overall decline in precipitation is stark when compared to the wetter months at the onset of the year, such as January with 67 mm (2.6 in), emphasizing the shift towards a Mediterranean climate pattern that favors dry and warm conditions as autumn approaches. As the year progresses into the fall, September serves as a pivotal bridge to both milder weather and the anticipation of slightly increased rainfall in October.

September Precipitation Trends in Solana Beach

The chart displays monthly precipitation patterns in Solana Beach, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec67726431234225133473
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Solana Beach

As summer fades and autumn approaches, September in Solana Beach sees a moderate increase in humidity, measuring at 52%. This shift marks a welcome change after the low humidity levels of 42% experienced in August, signaling the transition from the drier summer months. Throughout the year, humidity levels tend to peak during the winter and early spring, reaching 77% in February, while the period from late spring to summer sees a steady decline. By September, residents and visitors can enjoy a slight uptick in moisture that softens the summer's dryness, making it a comfortable time to savor the coastal charm of this picturesque seaside community.

September Average Humidity in Solana Beach

This chart illustrates the average monthly humidity levels in Solana Beach, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec72%77%67%56%46%48%46%42%52%58%66%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Solana Beach

As summer fades into September in Solana Beach, residents and visitors can expect a UV Index of 10, maintaining its very high exposure category. This signals a significant demand for sun safety, as the burn time is notably brief at 15 minutes. Interestingly, September mirrors August in its UV intensity, highlighting a trend of elevated UV levels that persist into early fall. Therefore, it's essential to remain vigilant against sun exposure, especially as the days gradually grow shorter. For more detailed information on sun safety and UV trends, check out the Solana Beach UV Index.

Maximum UV Index Levels in Solana Beach for September

The chart shows the monthly maximum UV Index (UVI) for Solana Beach in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec469101112111010754
Data source: Solana Beach September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Solana Beach

As September rolls into Solana Beach, the sun continues to shine brightly, though it begins to yield to the cooler days ahead. This month boasts 319 hours of glorious sunshine, a slight dip from the peak summer months of July and August, which feature 378 and 361 hours, respectively. However, September’s radiant days still echo the warmth of summer, offering plenty of opportunities for outdoor adventures and beach outings. Interestingly, the transition into autumn sees a gradual decrease in sunlight, as the year peaks in June with 369 hours. With the vibrant beach scene still alive, September strikes a wonderful balance of warmth and relaxation before the shorter days of October bring a cozy charm to this coastal gem.

Monthly Sunshine Duration in Solana Beach: September Highlighted

The September sunshine duration represents the total number of hours Solana Beach experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec191h243h298h324h364h369h378h361h319h296h256h228h
Data source: Solana Beach September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Solana Beach During September

As September rolls into Solana Beach, the chances of sunny weather peak at an impressive 67%, making it one of the sunniest months of the year. This upward trend from the summer months, particularly August, which sees a steady 66% chance of sunshine, indicates that September delivers a delightful mix of warmth and brightness. This sunny disposition continues into October with a solid 64% likelihood, ensuring that the early fall embraces visitors with beach-ready weather. Overall, September stands out as a vibrant transition month, perfect for enjoying the last rays of summer bliss before autumn settles in.

Percentage of Sunny Days in September in Solana Beach

The chart illustrates the percentage of sunny days in Solana Beach throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Solana Beach experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec62%60%62%51%45%55%60%66%67%64%66%47%
Data source: Solana Beach September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Solana Beach in September

As summer fades into fall, September in Solana Beach, United States, brings a gentle transition in daylight, offering around 12 hours of sunlight each day. This marks a gradual decline from the peak of 14 hours experienced in June and July, reflecting a shift toward shorter days as autumn approaches. Following the vibrant summer months, September's daylight duration still allows for ample time outdoors, embracing warm coastal evenings and golden sunsets. As the year progresses into October, daylight continues to diminish, reminding us of the cyclical nature of time and the changing seasons that characterize life in this beautiful coastal town.

Average Daylight Hours in Solana Beach for September

The chart illustrates the variation in daylight duration in Solana Beach throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 14m11h12h13h 1m13h 52m14h 17m14h 3m13h 17m12h 19m11h 18m10h 26m9h 59m
Data source: Solana Beach daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Solana Beach

As September arrives in Solana Beach, the gentle embrace of average wind speeds at 2.6 m/s (6 mph) continues to mirror the laid-back spirit of summer. This month marks a slight dip from the summer highs of 2.9 m/s, yet remains consistent with the calm breezes of the preceding months. The winds tend to fluctuate minimally throughout the year, with only subtle variations, demonstrating a refreshing predictability. With autumn on the horizon, the tranquil winds of September create a perfect backdrop for beachgoers and nature lovers to revel in the coastal charm of this picturesque locale.

Average September Wind Speed in Solana Beach

The chart displays monthly wind speed patterns in Solana Beach, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.32.92.92.92.92.72.72.6 m/s2.52.02.7
Data source: Solana Beach September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Solana Beach Compares to Other Months

The weather in Solana 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 Solana Beach and find detailed weather information for every month.

September and January present a stark contrast in weather conditions. In September, temperatures are generally warmer, ranging from a minimum of 15°C (60°F) to a maximum of 32°C (90°F), with low precipitation of only 5 mm over zero days, resulting in a comfortable humidity level of 52%. In contrast, January brings cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 26°C (79°F), along with significantly higher precipitation of 67 mm over five days, contributing to increased humidity levels of 72%. For a detailed look at the weather specifics in January, you can visit Solana Beach weather in January.

September and February present contrasting weather patterns. In September, temperatures range from a minimum of 15°C (60°F) to a maximum of 32°C (90°F), providing a warm average of 21°C (71°F) with minimal precipitation of just 5 mm (0.2 in) and low humidity at 52%. In contrast, February experiences cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 26°C (79°F), averaging around 13°C (56°F). This month also sees significantly more precipitation, totaling 72 mm (2.8 in) over seven days, and higher humidity levels at 77%. For more detailed insights, check out Solana Beach weather in February.

When comparing the weather in September and March, September tends to be warmer and drier. With minimum temperatures around 15°C (60°F) and maximums reaching up to 32°C (90°F), September offers an average of 21°C (71°F) and only about 5 mm (0.2 in) of precipitation over no rainy days, accompanied by a humidity level of 52%. In contrast, March is cooler, with minimum temperatures dropping to 7°C (44°F) and maximums at 25°C (77°F), resulting in an average temperature of 14°C (58°F). March also sees significantly more rainfall, with 64 mm (2.5 in) spread over 10 days, along with higher humidity at 67%. For more details on March weather, visit Solana Beach weather in March.

When comparing the weather in September and April, September generally offers warmer temperatures, with a minimum of 15°C (60°F) and an average high of 32°C (90°F), while April presents cooler conditions, featuring a minimum of 10°C (50°F) and an average high of 29°C (84°F). Precipitation is minimal in September, with hardly any rain recorded, while April sees a more noticeable amount of rainfall, totaling 30 mm (1.2 in) over three days. Humidity levels are quite similar, with September at 52% and April slightly higher at 56%. For a closer look at April weather specifics, visit Solana Beach weather in April.

In September, the weather tends to be warmer, with average temperatures around 21°C (71°F), peaking at 32°C (90°F), and very little precipitation, just 5 mm (0.2 in) over no rainy days. In contrast, May experiences cooler temperatures, averaging 17°C (62°F) and reaching a maximum of 26°C (79°F), along with a higher precipitation level of 23 mm (0.9 in) spread over four days. Humidity levels are slightly higher in September at 52%, compared to 46% in May. For more detailed information, you can check Solana Beach weather in May.

September and June showcase distinct yet pleasant weather characteristics. In September, temperatures range from a minimum of 15°C (60°F) to a maximum of 32°C (90°F), with an average temperature of 21°C (71°F) and a humidity level of 52%. In comparison, June experiences slightly cooler temperatures with a minimum of 14°C (57°F), an average of 18°C (65°F), and a maximum of 29°C (85°F), accompanied by a slightly lower humidity of 48%. Both months enjoy minimal precipitation, recorded at just 5 mm (0.2 in) in September and 4 mm (0.2 in) in June, making them ideal for outdoor activities. For more detailed insights, you can check Solana Beach weather in June.

In comparing the weather between September and July, both months offer similar temperature ranges, with September featuring a minimum of 15°C (60°F), an average of 21°C (71°F), and a maximum of 32°C (90°F). July has slightly higher minimum temperatures at 16°C (61°F) but maintains an average and maximum temperature nearly identical to September. Precipitation is minimal in both months, with September receiving 5 mm (0.2 in) and July only 2 mm (0.1 in), both having no rainy days. Interestingly, humidity is slightly higher in September at 52% compared to 46% in July. For more details, you can explore Solana Beach weather in July.

In comparing the weather of September to August, September presents slightly cooler temperatures, with a minimum of 15°C (60°F) compared to August's minimum of 17°C (63°F). However, September enjoys a higher maximum temperature of 32°C (90°F), surpassing August's maximum of 30°C (86°F), resulting in a similar average temperature pattern. Precipitation remains minimal in both months, with September receiving 5 mm and August only 2 mm, both seeing no rainy days. Notably, September experiences slightly higher humidity at 52%, compared to August's 42%. For a more detailed overview of August weather specifics, you can check Solana Beach weather in August.

As September transitions into October, we observe a notable shift in weather patterns. September typically showcases warmer temperatures, with a minimum of 15°C (60°F) and an average of 21°C (71°F), peaking at a high of 32°C (90°F), while maintaining low precipitation levels of just 5 mm (0.2 in) over the month. In contrast, October brings slightly cooler temperatures, with a minimum of 11°C (53°F) and an average of 20°C (68°F), though it can occasionally reach a maximum of 34°C (93°F). This month also experiences increased precipitation, totaling 13 mm (0.5 in) over two days, along with a rise in humidity to 58%. For more detailed weather information, check Solana Beach weather in October.

In September, the weather is typically warm, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 32°C (90°F) and an average of 21°C (71°F). The month experiences very little precipitation, with only 5 mm (0.2 in) recorded over 0 days, and a moderate humidity level of 52%. In contrast, November brings cooler temperatures, with a minimum of 9°C (48°F) and a maximum of 28°C (83°F), averaging 17°C (62°F). This month sees an increase in precipitation to 34 mm (1.3 in) over 2 days, along with higher humidity at 66%. For more specific details on November's weather, you can check Solana Beach weather in November.

September and December present contrasting weather patterns that reflect the shift from late summer to winter. In September, temperatures are generally warmer, with a minimum of 15°C (60°F) and a maximum of 32°C (90°F), creating a pleasant atmosphere for outdoor activities. The month is relatively dry, receiving only 5 mm of precipitation across no days, and maintaining a moderate humidity of 52%. In stark contrast, December brings cooler temperatures with a minimum of 6°C (43°F) and a maximum of 25°C (77°F). This month experiences a significant increase in rainfall, accumulating 73 mm over 6 days, and the humidity rises to 74%, contributing to a much chillier feel. For more details, you can check out the Solana Beach weather in December.

Compare Solana Beach's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Solana Beach

As September arrives in Solana Beach, the weather showcases a delightful transition, combining warm, sunny days with pleasantly moderate temperatures. Unlike the sweltering summer months, this time of year experiences a welcome dip in humidity and a near absence of rainfall, making it perfect for outdoor activities and beach outings. With averages around a comfortable 21°C (71°F) and maximum temperatures reaching a balmy 32°C (90°F), September's climate becomes an ideal backdrop for enjoying the stunning coastal scenery. For more detailed insights on what to expect throughout the year, be sure to check out Solana Beach Climate.