September Weather in Bolivar Peninsula, United States

Last updated: February 24, 2025

In September, Bolivar Peninsula experiences a balmy climate, with temperatures ranging from a mild 18°C (64°F) at night to a max of 33°C (91°F) during the day, averaging around 27°C (81°F). The month also sees substantial rainfall, with 229 mm (9.0 in) of precipitation across approximately 15 days, contributing to the lush coastal environment. The humidity hovers around 75%, enhancing the warm, tropical feel of this picturesque destination. Visitors can expect both sunshine and occasional showers, making it a vibrant time to explore the natural beauty of the peninsula.

September Temperature in Bolivar Peninsula

In September, Bolivar Peninsula experiences a delightful transition, with temperatures reflecting the tail end of summer. The month showcases a minimum of 18°C (64°F), gradually warming to an inviting average of 27°C (81°F) and peaking at around 33°C (91°F). This gentle decline in temperature from the sweltering heights of August not only offers a more comfortable climate but also attracts visitors seeking to enjoy the warm, sunny days before the cooler fall air sets in. As the month progresses, the lingering summer warmth becomes perfect for beach outings and outdoor activities, making September a splendid time to explore this coastal gem.

September Weather in Bolivar Peninsula: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Bolivar Peninsula, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec565965707782838381756560
Data source: Temperature data for Bolivar Peninsula 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 Bolivar Peninsula

September marks a continuation of the Bolivar Peninsula's wet season, with precipitation reaching 229 mm (9.0 in) over approximately 15 days. This significant rainfall follows a particularly soggy August, which recorded the highest monthly total of the year at 239 mm (9.4 in). The trend indicates that as summer transitions to autumn, rainfall remains substantial, often tied to tropical activity in the Gulf. While September's total slightly decreases from August, it still ranks among the wettest months, specifically showcasing a pattern of increased precipitation leading into fall. In contrast, the coming months yield a gradual decline in rainfall, suggesting a shift towards drier conditions as the year progresses.

September Precipitation Trends in Bolivar Peninsula

The chart displays monthly precipitation patterns in Bolivar Peninsula, 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.
JanFebMarAprMayJunJulAugSepOctNovDec86906310015516515823922915680109
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Bolivar Peninsula

In September, Bolivar Peninsula experiences a slight uptick in humidity, reaching 75%. This marks a subtle recovery from the summer months, where humidity levels consistently dipped to around 73% in August and 74% in July. Overall, this trend illustrates a gradual increase in moisture as the region transitions towards fall, reminiscent of the more humid spring and winter months, which often hover between 79% and 83%. As the heat of summer wanes, September's humidity provides a refreshing change, fostering a more comfortable environment while hinting at the wetter conditions to come in the following months.

September Average Humidity in Bolivar Peninsula

This chart illustrates the average monthly humidity levels in Bolivar Peninsula, 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.
JanFebMarAprMayJunJulAugSepOctNovDec79%81%78%81%79%75%74%73%75%75%79%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bolivar Peninsula

As we transition into September, the UV Index in Bolivar Peninsula remains notably high, reaching a value of 10, which falls into the very high exposure category. This signals the end of summer but still necessitates caution when enjoying outdoor activities, with a recommended burn time of only 15 minutes. Interestingly, the UV Index shows a slight decrease from the peak summer months of June and July, which both recorded extremes at 12. Overall, September retains a high risk for UV exposure, emphasizing the importance of sun protection for both residents and visitors alike. For more detailed information, check out the Bolivar Peninsula UV Index.

Maximum UV Index Levels in Bolivar Peninsula for September

The chart shows the monthly maximum UV Index (UVI) for Bolivar Peninsula 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.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121110975
Data source: Bolivar Peninsula 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 Bolivar Peninsula

As summer begins to wane in the Bolivar Peninsula, September still basks in the aftermath of the warmer months, recording a respectable 276 hours of sunshine. While this marks a decline from the peak sunlit days of July and August, the transition into fall is accompanied by a gentle warmth that lingers. Notably, September continues the pattern of abundant sunlight that characterizes the late spring and summer months, effectively bridging the gap from the vibrant 319 hours of May to the more moderated 283 hours expected in October. This consistent brightness throughout the summer hints at a climate that embraces outdoor activities well into the early autumn, making Bolivar Peninsula an alluring destination for those seeking sun-soaked days even as the seasons shift.

Monthly Sunshine Duration in Bolivar Peninsula: September Highlighted

The September sunshine duration represents the total number of hours Bolivar Peninsula 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.
JanFebMarAprMayJunJulAugSepOctNovDec170h172h261h277h319h318h327h320h276h283h257h224h
Data source: Bolivar Peninsula September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bolivar Peninsula During September

As September rolls in, Bolivar Peninsula begins to enjoy a notable increase in sunny days, with a 48% chance of sunshine. This marks a welcome change from the summer months, which have lower percentages of clear skies, peaking at only 28% in August and reaching a low of 27% in July. Following September, the likelihood of sunshine further increases into autumn, culminating in October's 51% and November's 58%. This pattern suggests that while summer tends to be overcast, the onset of fall brings a brighter and more inviting climate, making September a fantastic month for outdoor activities and basking in the sun.

Percentage of Sunny Days in September in Bolivar Peninsula

The chart illustrates the percentage of sunny days in Bolivar Peninsula 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 Bolivar Peninsula experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%35%45%44%34%38%27%28%48%51%58%35%
Data source: Bolivar Peninsula September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bolivar Peninsula in September

As September arrives in the Bolivar Peninsula, the daylight hours begin to subtly shift, offering a gentle transition from the long, sun-drenched days of summer. This month features approximately 12 hours of daylight, a slight decrease from the peak of 13 hours enjoyed during the summer months of May through August. Following September, the daylight continues its downward trend, tapering off to 11 hours in October, and eventually settling at 10 hours from late fall through winter. This gradual decline heralds the approach of cooler days, inviting residents and visitors alike to savor the remaining sunshine before the shorter days of the colder months take hold.

Average Daylight Hours in Bolivar Peninsula for September

The chart illustrates the variation in daylight duration in Bolivar Peninsula throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 29m11h 8m12h12h 53m13h 37m13h 59m13h 47m13h 8m12h 17m11h 24m10h 39m10h 16m
Data source: Bolivar Peninsula daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bolivar Peninsula

As September arrives in Bolivar Peninsula, the breeze begins to stir, bringing with it an average wind speed of 4.1 m/s (9 mph). This marks a slight uptick from the languid summer months of July and August, which recorded some of the year's lowest winds at 3.6 m/s and 3.5 m/s respectively. Interestingly, this month sits comfortably between the calmness of summer and the more robust winds of earlier months, such as May, which boasts an average of 5.6 m/s (13 mph). This gentle shift serves as a reminder that while summer may be winding down, the refreshing gusts of autumn are just around the corner, creating a pleasant atmosphere for those who cherish the coastal charm of the peninsula.

Average September Wind Speed in Bolivar Peninsula

The chart displays monthly wind speed patterns in Bolivar Peninsula, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.15.55.25.55.64.43.63.54.1 m/s4.34.35.0
Data source: Bolivar Peninsula September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bolivar Peninsula Compares to Other Months

The weather in Bolivar Peninsula 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 Bolivar Peninsula and find detailed weather information for every month.

In September, the weather is warm, with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 33°C (91°F) and an average of 27°C (81°F). This month is also characterized by significant rainfall, experiencing 229 mm (9.0 in) over approximately 15 days, and humidity levels around 75%. In stark contrast, January presents much cooler temperatures, with a minimum of -4°C (25°F), an average of 13°C (56°F), and a maximum of 25°C (77°F). Precipitation drops to 86 mm (3.4 in) over just 8 days, while humidity slightly increases to 79%. For more information on January weather patterns, check here: Bolivar Peninsula weather in January.

September and February present starkly contrasting weather conditions. In September, temperatures are warm, with an average of 27°C (81°F) that peaks at a high of 33°C (91°F), accompanied by significant humidity at 75%. The month also sees considerable rainfall, totaling 229 mm (9.0 in) over about 15 days. In contrast, February delivers a chillier climate, where average temperatures drop to 15°C (59°F), with a maximum of 23°C (75°F) and a minimum plummeting to -7°C (20°F). Precipitation is much lighter, amounting to 90 mm (3.5 in) over 12 days, and the humidity rises slightly to 80%. For more specifics on February weather, you can check this link: Bolivar Peninsula weather in February.

In September, the weather is typically warm and humid, with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 33°C (91°F) and an average of 27°C (81°F). This month also experiences substantial rainfall, accumulating 229 mm (9.0 in) over about 15 days. In contrast, March presents a much cooler climate, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 26°C (79°F) and a milder average of 18°C (65°F). Precipitation is significantly lower in March, totaling 63 mm (2.5 in) across roughly 9 days, accompanied by slightly higher humidity at 78%. For more insights into March's weather, you can visit Bolivar Peninsula weather in March.

When comparing the weather in September and April, it's evident that September is typically warmer and wetter. In September, temperatures range from a minimum of 18°C (64°F) to a maximum of 33°C (91°F), with an average temperature of 27°C (81°F). The month also experiences significant rainfall, with 229 mm (9.0 in) of precipitation over about 15 days, and humidity levels around 75%. In contrast, April offers milder conditions, with a minimum temperature of 9°C (48°F) and a maximum of 28°C (83°F), averaging at 21°C (70°F). Precipitation is considerably lower in April, totaling 100 mm (3.9 in) over about 10 days, and humidity is slightly higher at 81%. For more details, please visit Bolivar Peninsula weather in April.

When comparing the weather between September and May, September tends to be slightly warmer, with average temperatures reaching 27°C (81°F) and maximums peaking at 33°C (91°F). In contrast, May presents a cooler average temperature of 25°C (77°F) and a maximum of 31°C (87°F). September also experiences higher precipitation levels, recording 229 mm (9.0 in) over about 15 days, whereas May has 155 mm (6.1 in) across 14 days. Humidity remains comparable, hovering around 75% in September and 79% in May. For more detailed weather insights, check out Bolivar Peninsula weather in May.

When comparing the weather in September and June, both months experience similar maximum temperatures, reaching up to 33°C (91°F). However, September often starts off with a cooler minimum temperature of 18°C (64°F) compared to June's warmer minimum of 23°C (73°F). Precipitation levels in September are notably higher, averaging 229 mm (9.0 in) over 15 days, while June sees less rain with 165 mm (6.5 in) across 16 days. Humidity remains consistent at 75% for both months, contributing to a tropical feel. For more detailed information, you can check Bolivar Peninsula weather in June.

When comparing the weather in September and July, September tends to be slightly cooler with average temperatures ranging from a minimum of 18°C (64°F) to a maximum of 33°C (91°F), while July's temperatures typically range from a minimum of 22°C (73°F) to a maximum of 34°C (93°F). September also experiences more rainfall, with 229 mm (9.0 in) over approximately 15 days, compared to July's 158 mm (6.2 in) over 17 days. Humidity levels are comparable in both months, hovering around 75% in September and 74% in July. For more detailed information on July weather, you can check the link: Bolivar Peninsula weather in July.

In comparing the weather patterns of September and August, September shows a slight decrease in average temperature, with minimums dropping to 18°C (64°F) compared to August's 23°C (74°F). However, both months share similar maximum temperatures at around 33°C (91°F) to 33°C (92°F). Precipitation in September is somewhat reduced, totaling 229 mm (9.0 in) over 15 days, while August experiences 239 mm (9.4 in) across 20 days. Humidity levels are relatively similar, with September at 75% and August slightly lower at 73%. For a more detailed look at August weather conditions, you can visit Bolivar Peninsula weather in August.

In September, the weather is notably warmer, with average temperatures ranging from a minimum of 18°C (64°F) to a maximum of 33°C (91°F). This month experiences significant rainfall, totaling 229 mm (9.0 in) over 15 days, coupled with high humidity levels of 75%. In contrast, October sees a shift towards cooler temperatures, with a minimum of 9°C (48°F) and an average of 24°C (75°F). Precipitation decreases to 156 mm (6.1 in) over 12 days, while humidity remains consistent at 75%. For a detailed look at October weather, check out Bolivar Peninsula weather in October.

September weather is characterized by warm temperatures, with minimums around 18°C (64°F) and maximums reaching up to 33°C (91°F). This month also sees considerable rainfall, totaling 229 mm (9.0 in) over about 15 days, contributing to a humid atmosphere with levels around 75%. In contrast, November experiences a significant drop in temperatures, with minimums as low as 3°C (38°F) and a mild average of 18°C (65°F). Precipitation in November decreases to 79 mm (3.1 in) spread over just 9 days, and humidity rises slightly to 79%. Thus, compared to the warmth and humidity of September, November brings cooler temperatures and lighter rainfall. For more detailed information, you can check out Bolivar Peninsula weather in November.

In September, the weather is warm and humid, with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 33°C (91°F) and an average of 27°C (81°F). This month sees significant rainfall, totaling 229 mm (9 inches) over about 15 days, and a humidity level of 75%. In contrast, December brings much cooler temperatures, with a minimum of 2°C (37°F), an average of 15°C (60°F), and a maximum of 24°C (76°F). Precipitation decreases to 109 mm (4.3 inches) over 10 days, and humidity rises slightly to 83%. For more details on December weather in the area, check out Bolivar Peninsula weather in December.

Compare Bolivar Peninsula's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bolivar Peninsula

As summer transitions to fall, September weather on Bolivar Peninsula brings a notable change from the sweltering heat of the preceding months. While daytime temperatures can still reach a warm 33°C, the average dips to a more comfortable 27°C, inviting outdoor adventures. However, this month also sees increased rainfall, with significant precipitation accumulating over multiple days, raising humidity levels to 75%. This blend of warmth and moisture creates a unique atmosphere that differs dramatically from the dry heat of summer. For a deeper understanding of the climatic patterns on this beautiful peninsula, explore more at Bolivar Peninsula Climate.