September Weather in Tiburon, United States

Last updated: February 24, 2025

In September, Tiburon experiences a delightful blend of warm temperatures and low precipitation, making it an ideal time for outdoor activities. The month boasts a maximum temperature of 35°C (96°F), while the average temperature hovers around a comfortable 17°C (63°F), dipping to a refreshing minimum of 11°C (51°F) during the cooler nights. With only 2 mm (0.1 in) of precipitation and no rainy days, residents and visitors can enjoy the beauty of the landscape under predominantly sunny skies. The humidity level remains high at 86%, offering a warm, temperate feel that enhances the charm of this coastal gem.

September Temperature in Tiburon

In September, Tiburon experiences a delightful shift in temperatures, marking the transition into fall while still embracing the warmth of summer. The minimum temperature hovers around 11°C (51°F), providing a comfortable start to the day, while average highs can soar to an impressive 35°C (96°F), creating a sizzling backdrop for outdoor activities. This month showcases an increase in warmth compared to the previous months, with September offering an average of 17°C (63°F), bridging the seasonal change. As the days gradually shorten, the lingering warmth invites both residents and visitors to enjoy the natural beauty surrounding Tiburon, making it a perfect time for picturesque hikes or relaxing by the shore.

September Weather in Tiburon: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Tiburon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec515253555659596162605552
Data source: Temperature data for Tiburon 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 Tiburon

In Tiburon, United States, September marks a continuation of the region's notably dry season, with only 2 mm (0.1 in) of precipitation recorded and no rainfall days. This sparse rainfall is a stark contrast to the wetter winter months, such as January and February, which receive over 100 mm of precipitation each. The dramatic drop in precipitation is part of a broader trend throughout the summer, where just a few millimeters fall from June to August, and September maintains this dry spell. As the month progresses towards October, anticipation builds for a slight increase in moisture, signaling the shift into the wetter season that will bring more consistent rainfall and revitalized landscapes.

September Precipitation Trends in Tiburon

The chart displays monthly precipitation patterns in Tiburon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1061097835203322305095
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Tiburon

September in Tiburon sees a slight dip in humidity compared to the summer months, maintaining a level of 86%. This reflects a broader trend as the region transitions from the high humidity peaks of July and August, both at 87%. While September's humidity remains relatively high, indicative of the lingering warmth, it prepares for the drier months ahead—October's humidity drops to 80%. Over the course of the year, humidity levels fluctuate but generally hover around the mid-80s during the summer, then decline towards the end of the year. As the seasons shift, Tiburon demonstrates a beautiful interplay between coastal warmth and refreshing breezes, making September a uniquely humid yet delightful time of the year.

September Average Humidity in Tiburon

This chart illustrates the average monthly humidity levels in Tiburon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%82%79%83%84%87%87%86%80%79%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tiburon

September in Tiburon brings a UV Index of 9, placing it firmly in the very high exposure category. This trend mirrors the intense sun exposure felt over the summer months, particularly July and August, which recorded their peak at an Index of 11. As autumn begins, while the burn time remains relatively short at just 15 minutes, residents and visitors should remain cautious, as the UV levels are still quite significant. Compared to earlier months, such as January and February, when the UV Index hovered around a moderate 3 to 5, it’s clear that September still packs a punch for sun exposure. With the sun casting its rays more intensely, it’s essential to stay informed about the UV levels to enjoy Tiburon’s beauty safely. For more detailed information, visit Tiburon UV Index.

Maximum UV Index Levels in Tiburon for September

The chart shows the monthly maximum UV Index (UVI) for Tiburon 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.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109743
Data source: Tiburon 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 Tiburon

As September softly settles into Tiburon, it brings 299 hours of sunshine, marking a gentle transition from the sun-drenched summer months. This is a slight dip from August's peak, which boasted 320 hours, yet September still enjoys a robust amount of daylight, enhancing the region's natural beauty. The month follows an upward trend from earlier in the year, where sunlight hours gradually increase, hitting a seasonal high of 355 hours in June. The gradual decrease in sunshine seen as October approaches signals the arrival of fall, yet September remains a vibrant month, allowing residents and visitors alike to bask in the warmth of early autumn bliss.

Monthly Sunshine Duration in Tiburon: September Highlighted

The September sunshine duration represents the total number of hours Tiburon 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.
JanFebMarAprMayJunJulAugSepOctNovDec151h216h263h296h341h355h349h320h299h276h225h194h
Data source: Tiburon September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tiburon During September

When it comes to the likelihood of sunny weather, September in Tiburon presents an interesting balance, with a 51% chance of sunshine. This number reflects a moderate uplift compared to the rainy summer months, particularly July, which sees only a 37% chance of sunlight. Although September does not boast the highest probabilities, it aligns with the pleasant weather conditions of spring and early summer, where the chances gradually rise from 39% in January to a peak of 66% in May. As the month progresses, residents can expect to bask in a blend of mild temperatures and a fair share of sunshine, making it a great time to enjoy the outdoors before the cooler fall weather settles in.

Percentage of Sunny Days in September in Tiburon

The chart illustrates the percentage of sunny days in Tiburon 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 Tiburon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%56%62%56%66%51%37%47%51%51%42%33%
Data source: Tiburon September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tiburon in September

As summer transitions into autumn, Tiburon experiences a gradual decline in daylight duration throughout September, with the sun gracing the sky for 12 hours each day. Following the peak of 14 hours in June and July, the days begin to shorten, heralding the approach of fall. This month marks a shift from the vibrant, long summer days to the more muted daylight of October. The trend reveals a gentle tapering of sunlight, as nature prepares for the cooler months ahead, while still allowing ample time for outdoor activities and enjoying the beautiful landscapes of Tiburon.

Average Daylight Hours in Tiburon for September

The chart illustrates the variation in daylight duration in Tiburon throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 53m10h 48m11h 59m13h 11m14h 12m14h 42m14h 26m13h 31m12h 22m11h 9m10h 7m9h 35m
Data source: Tiburon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Tiburon

As autumn approaches in Tiburon, September brings a gentle decrease in wind speed, averaging 3.3 m/s (7 mph). This slight dip follows a summer peak in May, where breezes were at their strongest at 5.4 m/s (12 mph). Over the months, the winds have exhibited a gradual fluctuation, with May and April marking the height of bluster, while the latter part of the year settles into more tranquil patterns. October sees a minor increase back to 3.7 m/s (8 mph), but November quickly trails off to a calmer 2.7 m/s (6 mph), signaling a shift towards the stillness of winter. This sequence of wind speeds not only reflects the changing seasons but also sets the stage for the serene and picturesque autumn landscape that defines this coastal gem.

Average September Wind Speed in Tiburon

The chart displays monthly wind speed patterns in Tiburon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.24.04.14.65.44.74.03.73.3 m/s3.72.73.9
Data source: Tiburon September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Tiburon Compares to Other Months

The weather in Tiburon 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 Tiburon and find detailed weather information for every month.

September and January present contrasting weather patterns. In September, temperatures soar, with a minimum of 11°C (51°F) and a maximum of 35°C (96°F), making it a notably warmer month. Precipitation is minimal, with only 2 mm recorded and no rainy days, accompanied by high humidity levels at 86%. In stark contrast, January experiences much cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 21°C (70°F). This month sees a substantial increase in precipitation at 106 mm over 9 rainy days, while humidity remains relatively stable at 85%. For more detailed insights, check out Tiburon weather in January.

September and February showcase contrasting weather patterns, with September offering warmer temperatures ranging from a minimum of 11°C (51°F) to a maximum of 35°C (96°F) and very little precipitation, only 2 mm (0.1 in) over the month. This time of year experiences high humidity at 86%, making it feel quite warm. In contrast, February presents a cooler climate, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 20°C (69°F). This month is significantly wetter, accumulating 109 mm (4.3 in) of precipitation over 9 days, accompanied by a slightly lower humidity level of 82%. For more details, you can check out Tiburon weather in February.

September weather is characterized by warm temperatures, with a minimum of 11°C (51°F) and an average of 17°C (63°F), peaking at a high of 35°C (96°F). The month enjoys very little precipitation, with only 2 mm recorded and no rainy days, alongside relatively high humidity at 86%. In contrast, March experiences cooler temperatures, with a minimum of 5°C (42°F) and an average of 12°C (53°F), and a maximum of 20°C (69°F). However, it is significantly wetter, with 78 mm of precipitation spread over 10 days, and a slightly lower humidity of 82%. For more detailed insights about March weather, you can check Tiburon weather in March.

In comparing the weather of September and April, it’s evident that September tends to be warmer and drier. September boasts a temperature range from a mild minimum of 11°C (51°F) to a scorching maximum of 35°C (96°F), while April has cooler temperatures, ranging from a minimum of 7°C (44°F) to a maximum of 28°C (82°F). Additionally, September experiences virtually no precipitation, accumulating just 2 mm over the month and with no rainy days, while April sees significantly more rainfall at 35 mm across five days. The humidity in September is also higher at 86%, compared to April’s 79%. For a more detailed look at April conditions, visit Tiburon weather in April.

In September, temperatures can soar, with a minimum of 11°C (51°F) and a maximum reaching an impressive 35°C (96°F). The month is characterized by very little precipitation, averaging just 2 mm (0.1 in) with no rainy days, and the humidity is fairly high at 86%. In contrast, May presents cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 24°C (75°F). Although the humidity is slightly lower at 83%, May experiences more precipitation, totaling 20 mm (0.8 in) over two days. For more detailed insights on May weather, you can visit Tiburon weather in May.

When comparing the weather in September and June, both months experience relatively mild temperatures, though September tends to be warmer overall. In June, temperatures range from a minimum of 10°C (51°F) to a maximum of 31°C (88°F), with an average of 15°C (60°F). In contrast, September boasts a broader temperature range, with minimums of 11°C (51°F), averages around 17°C (63°F), and maximums reaching up to 35°C (96°F). Precipitation levels are similar in both months, with only minimal rainfall recorded, and humidity remains high at around 86% in September compared to 84% in June. For more detailed insights about the climate, check out Tiburon weather in June.

In comparison to July, September experiences a broader range of temperatures, with minimums around 11°C (51°F), an average of 17°C (63°F), and maximums soaring up to 35°C (96°F). July, on the other hand, tends to be cooler, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of only 24°C (76°F). Both months see minimal precipitation, with September recording only 2 mm (0.1 in) and July slightly higher at 3 mm (0.1 in), and neither month experiences any rainy days. Humidity levels remain fairly consistent, with September at 86% and July at 87%. For those interested in further details, check out Tiburon weather in July for more information.

In September, the weather becomes warmer and more varied compared to August, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 35°C (96°F), resulting in an average temperature of 17°C (63°F). In contrast, August maintains a more moderate climate, featuring temperatures that range from a low of 11°C (53°F) to a high of 27°C (81°F) and an average of 16°C (61°F). Additionally, both months experience minimal precipitation, with just 2 mm (0.1 in) and none of the days being rainy, while humidity remains similar, at 86% in September and 87% in August. For more details on August weather, check out Tiburon weather in August.

September typically experiences warmer temperatures compared to October, with minimums around 11°C (51°F) and maximums reaching up to 35°C (96°F). In contrast, October sees cooler conditions, with minimum temperatures dropping to 9°C (48°F) and maximums peaking at 28°C (84°F). The month of September is characterized by very little rainfall, averaging only 2 mm across no rainy days, whereas October can be wetter, recording 30 mm of precipitation over two days. Humidity levels also slightly decrease from 86% in September to 80% in October. For more specific conditions during this month, you can check Tiburon weather in October.

September and November showcase a stark contrast in weather patterns. September boasts a warmer climate with an average temperature of 17°C (63°F) and highs soaring up to 35°C (96°F), accompanied by minimal precipitation and high humidity at 86%. In contrast, November sees a significant drop in temperature, with averages around 13°C (56°F) and maximums reaching only 23°C (74°F). This month also experiences more frequent precipitation, totaling 50 mm (2.0 in) over five days, and a slight decrease in humidity to 79%. For those looking to plan their activities, Tiburon weather in November provides useful insights.

September and December present contrasting weather experiences. In September, temperatures range from a cool 11°C (51°F) to a scorching high of 35°C (96°F), with an average of 17°C (63°F), making it a warm month with negligible precipitation of only 2 mm (0.1 in) over no rainy days and high humidity at 86%. In stark contrast, December sees much cooler temperatures, with a minimum of 4°C (40°F), an average of 11°C (52°F), and a maximum of 20°C (69°F). This month also experiences significant rainfall, totaling 95 mm (3.7 in) across 9 rainy days, along with a slightly lower humidity level of 79%. For additional insights into December's weather, you can visit Tiburon weather in December.

Compare Tiburon's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Tiburon

September in Tiburon stands out as a delightful transition month, where the warm embrace of summer lingers with an average temperature of 17°C (63°F), peaking at a toasty 35°C (96°F) on the hottest days. Unlike the drenching rains of winter, this month boasts virtually no precipitation, making it ideal for outdoor activities and exploration. Humidity remains high at 86%, adding to the warmth but not detracting from the beauty of the comforting coastal climate. As the season shifts, you're left with a unique blend of warmth and dryness that sets September apart from the more varied weather of other months. For more insights, visit Tiburon Climate.