September Weather in Coconut Grove, United States

Last updated: February 24, 2025

September in Coconut Grove, United States, offers a warm and humid tropical experience characterized by a maximum temperature of 33°C (91°F) and an average of 28°C (82°F), with minimum temperatures around 24°C (75°F). Residents and visitors can expect significant rainfall, with a total precipitation amount of 203 mm (8.0 in) falling over approximately 22 days of the month. The elevated humidity level, averaging at 76%, contributes to the lush, vibrant atmosphere that defines this coastal gem, making it an ideal time for both indoor and outdoor activities, provided you’re prepared for the occasional shower.

September Temperature in Coconut Grove

In September, Coconut Grove experiences a lovely transition into the heart of warmth with temperatures that reflect the tail end of summer. The minimum temperature hovers around 24°C (75°F), providing a balmy start to the day, while the average settles comfortably at 28°C (82°F). The maximum temperatures can reach up to 33°C (91°F), marking it as one of the warmer months of the year. This pattern underscores a trend of steadily rising temperatures leading into autumn, with September closely mirroring the hotter days of July and August. As the month progresses, the area's warmth remains inviting, perfect for enjoying outdoor activities before the coolness of October sets in. Overall, September in Coconut Grove promises a delightful balance of heat and humidity, making it an ideal time for sunseekers and nature lovers alike.

September Weather in Coconut Grove: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Coconut Grove, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec707373777982838382807672
Data source: Temperature data for Coconut Grove generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Coconut Grove

September marks a significant peak in precipitation for Coconut Grove, with an impressive 203 mm (8.0 in) of rainfall measured over 22 days. This surge in rainfall represents the highest monthly total of the year, highlighting the transition into a wetter season. Following a steady increase from the early months, where precipitation remained relatively low, September's rainfall not only surpasses the summer months—July and August—but also sets the stage for October's decline. The pattern suggests a distinctive rainy season that dramatically shifts weather dynamics, making September a notable month in the region's annual climatic rhythm.

September Precipitation Trends in Coconut Grove

The chart displays monthly precipitation patterns in Coconut Grove, 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.
JanFebMarAprMayJunJulAugSepOctNovDec345031631611721741812031579341
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Coconut Grove

In Coconut Grove, September sees a rise in humidity levels to 76%, marking a subtle shift from the drier summer months. This increase is part of a broader trend where humidity gradually climbs throughout the fall. Starting the year at a relatively high 81% in January, humidity levels dip to a low of 69% in June, reflecting the warm summer air. As autumn approaches, figures start to rebound with September's 76%, setting the stage for the return to higher humidity levels in the following months. This pattern hints at the area's tropical climate, where moisture remains a prominent feature year-round.

September Average Humidity in Coconut Grove

This chart illustrates the average monthly humidity levels in Coconut Grove, 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.
JanFebMarAprMayJunJulAugSepOctNovDec81%80%76%73%71%70%70%72%76%79%80%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Coconut Grove

Throughout September in Coconut Grove, the UV Index remains at a striking 11, indicating an extreme exposure category. With a burn time of just 10 minutes, it's crucial for residents and visitors alike to take necessary precautions against the sun's intense rays. This month follows a pattern established since the start of summer, where UV levels have consistently ranked in the extreme category. Interestingly, after reaching its peak in June at 13, September experiences a slight decline but still demands vigilance. As seasonal changes approach, it's essential to stay informed about UV levels to protect your skin effectively. For detailed insights, check out the Coconut Grove UV Index.

Maximum UV Index Levels in Coconut Grove for September

The chart shows the monthly maximum UV Index (UVI) for Coconut Grove 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.
JanFebMarAprMayJunJulAugSepOctNovDec69101212131212111086
Data source: Coconut Grove 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 Coconut Grove

In Coconut Grove, September continues the trend of abundant sunshine, offering 314 hours of bright, golden days. This month follows a summer filled with maximum sunshine, peaking in July and August with 344 and 340 hours, respectively. As autumn approaches, the sunshine slightly diminishes, yet September’s hours remain plentiful compared to earlier in the year. Normally a transitional month, September still embraces the warmth of summer, inviting both locals and visitors to savor the vibrant outdoors before the days shorten. Overall, the consistent trend of sunshine showcases Coconut Grove as a year-round destination for those seeking bright and cheerful skies.

Monthly Sunshine Duration in Coconut Grove: September Highlighted

The September sunshine duration represents the total number of hours Coconut Grove 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.
JanFebMarAprMayJunJulAugSepOctNovDec226h281h327h336h325h312h344h340h314h305h280h290h
Data source: Coconut Grove September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Coconut Grove During September

In Coconut Grove, September brings a 31% chance of sunny weather, marking a noticeable dip in brightness following the summer months. This decrease follows a trend where the likelihood of sunny skies steadily declines from the relatively high probabilities of earlier months like February and March. As summer transitions into fall, the clouds tend to gather with June, July, and August showing remarkably low sunshine chances, hovering around the 15% to 24% range. While September still offers a window for pleasant weather, it's clear that the area begins to shift toward a more overcast atmosphere as the season progresses, contrasting sharply with the 64% sunshine potential seen in December.

Percentage of Sunny Days in September in Coconut Grove

The chart illustrates the percentage of sunny days in Coconut Grove 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 Coconut Grove experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec42%60%55%55%48%15%19%24%31%44%40%64%
Data source: Coconut Grove September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Coconut Grove in September

As September rolls into Coconut Grove, the daylight duration settles at 12 hours, mirroring the longer days of spring and summer. Following a peak in May through July, when daylight extended to a maximum of 13 hours, the trend begins to shift, with August’s gradual decrease paving the way for autumn. This slight decline continues into October, anticipating shorter days ahead. Overall, September stands as a transitional month, maintaining a comfortable balance between the lush brightness of summer and the cozy embrace of fall, while hinting at the impending shortening of daylight as the year progresses.

Average Daylight Hours in Coconut Grove for September

The chart illustrates the variation in daylight duration in Coconut Grove throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 43m11h 17m12h 1m12h 46m13h 23m13h 42m13h 32m12h 58m12h 15m11h 30m10h 52m10h 33m
Data source: Coconut Grove daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Coconut Grove

In September, the winds of Coconut Grove shift noticeably, with average speeds dropping to a gentle 2.4 m/s (5 mph). This marks a continuation of the subtle decline from the summer months, where winds hovered around 3.1 m/s (7 mph) in July and 3.4 m/s (8 mph) in August. As the summer heat gives way to the early whispers of fall, the lighter winds provide a serene backdrop for the vibrant local community. This dip in wind speed contrasts sharply with the breezier spring months of March and April, which both see average winds around 4.4 to 4.9 m/s (10 to 11 mph). As September unfolds, residents and visitors alike can enjoy the calm, setting the stage for the refreshing breezes that typically return in late fall.

Average September Wind Speed in Coconut Grove

The chart displays monthly wind speed patterns in Coconut Grove, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.94.94.94.44.63.93.13.42.4 m/s3.54.13.4
Data source: Coconut Grove September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Coconut Grove Compares to Other Months

The weather in Coconut Grove 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 Coconut Grove and find detailed weather information for every month.

September and January showcase starkly contrasting weather patterns. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 33°C (91°F), with an average of 28°C (82°F). This month sees significant rainfall, with about 203 mm (8.0 in) over 22 days, contributing to a high humidity level of 76%. In contrast, January experiences much cooler temperatures, with a minimum of 7°C (44°F) and a maximum of 28°C (83°F), averaging around 21°C (70°F). Rainfall is scarce in January, totaling only 34 mm (1.3 in) across 6 days, and the humidity rises slightly to 81%. For a deeper look at January's climate, you can check Coconut Grove weather in January.

September and February showcase contrasting weather patterns. In September, the temperatures range from a minimum of 24°C (75°F) to a maximum of 33°C (91°F), with an average temperature of 28°C (82°F). This month also experiences significant rainfall, totaling 203 mm (8.0 in) over 22 days, contributing to a humidity level of 76%. In comparison, February offers milder temperatures, with a minimum of 10°C (51°F) and a maximum of 28°C (83°F), averaging at 23°C (73°F). The precipitation in February is much lower, at 50 mm (2.0 in) spread over just 9 days, and humidity slightly increases to 79%. For more details on February weather, check out Coconut Grove weather in February.

In September, the weather is significantly warmer, with minimum temperatures around 24°C (75°F) and averages reaching up to 28°C (82°F), peaking at a maximum of 33°C (91°F). This month also experiences considerable rainfall, averaging 203 mm (8.0 in) over 22 days, resulting in a humid environment with levels around 76%. In contrast, March offers a much cooler climate, with minimum temperatures dropping to 12°C (54°F) and average highs of 23°C (73°F), peaking at 30°C (86°F). Precipitation in March is relatively low at just 30 mm (1.2 in) spread over 5 days, while humidity remains consistent at 76%. For more detailed insights into the March weather, visit Coconut Grove weather in March.

When comparing the weather in September and April, we can see significant differences in temperature and precipitation. September typically experiences warmer conditions with minimum temperatures around 24°C (75°F) and averaging 28°C (82°F), peaking at 33°C (91°F). However, it also faces a higher level of rainfall, with 203 mm (8.0 in) spread over 22 days, resulting in a humid atmosphere at 76%. In contrast, April offers a more moderate climate, with minimum temperatures dropping to 15°C (59°F) while the average is 25°C (77°F) and maximums reaching 32°C (90°F). Precipitation in April is significantly lower at 63 mm (2.5 in) over just 11 days, paired with a slightly lower humidity level of 73%. For more detailed information on the weather during this month, check out Coconut Grove weather in April.

September and May present contrasting weather patterns, reflecting the transition between the summer's end and early autumn. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 33°C (91°F), with an average of 28°C (82°F). The month is characterized by higher humidity levels at 76% and significant rainfall, totaling 203 mm (8.0 in) over 22 days. In contrast, May experiences milder temperatures, with a minimum of 19°C (66°F) and a maximum of 31°C (88°F), averaging 26°C (79°F). Precipitation is lower in May at 161 mm (6.3 in) spread over 18 days, accompanied by slightly reduced humidity at 71%. For a more detailed look at the specific weather conditions during this month, check out Coconut Grove weather in May.

When comparing the weather in September and June, both months experience similar minimum and average temperatures, with a minimum of 24°C (75°F) and an average of 28°C (82°F). However, September tends to be slightly warmer overall, with a higher maximum temperature of 33°C (91°F) compared to June's maximum of 32°C (90°F). Additionally, September sees significantly more precipitation, with 203 mm (8.0 in) over 22 days, while June has 172 mm (6.8 in) during the same number of days. The humidity is also higher in September at 76%, compared to 69% in June. For more details on weather patterns, you can check Coconut Grove weather in June.

In comparing the weather between July and September, both months share a similar temperature profile, with minimums around 24°C (75-76°F), average highs near 28°C (82-83°F), and maximums peaking at 33°C (91-92°F). However, September experiences significantly more precipitation, with 203 mm (8.0 in) over 22 days, compared to July's 173 mm (6.8 in) across 26 days. Additionally, humidity levels are slightly higher in September at 76%, compared to 70% in July. This means that while both months can be hot and humid, September is notably wetter overall. For more detailed insights, visit Coconut Grove weather in July.

In comparing the weather between September and August, we see some notable differences. September tends to be slightly warmer, with minimum temperatures averaging at 24°C (75°F) compared to August's 25°C (76°F), while the average high of 33°C (91°F) in September surpasses August's maximum of 32°C (90°F). However, September experiences more rainfall, with precipitation totaling 203 mm (8.0 in) over 22 days, while August sees less rain at 181 mm (7.1 in) across 25 days. Humidity also rises slightly in September to 76%, compared to 72% in August. For more detailed weather insights, check out Coconut Grove weather in August.

September weather tends to be hotter and more humid than October, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 33°C (91°F). September also experiences significantly higher precipitation, totaling 203 mm (8.0 in) over 22 days, contributing to a humidity level of 76%. In contrast, October sees a notable drop in minimum temperatures to 15°C (59°F) and a slightly lower maximum of 30°C (87°F), although it maintains a relatively warm average of 27°C (81°F). Additionally, October's precipitation decreases to 157 mm (6.2 in), with the same number of rainy days but slightly higher humidity at 79%. For more detailed insights, you can check Coconut Grove weather in October.

In September, the weather is typically warm and humid, with minimum temperatures around 24°C (75°F) and maximums reaching up to 33°C (91°F). This month also sees considerable rainfall, averaging 203 mm (8.0 in) over 22 days, resulting in a humidity level of 76%. In contrast, November experiences a significant drop in temperatures, with a minimum of 12°C (54°F) and an average of 24°C (76°F), while the maximum is slightly lower at 30°C (86°F). Precipitation also decreases, averaging only 93 mm (3.7 in) over 14 days, bringing a humidity level that is just slightly higher at 80%. For more detailed insights, check out Coconut Grove weather in November.

In September, the weather is typically warm with minimum temperatures around 24°C (75°F) and an average of 28°C (82°F), reaching a maximum of 33°C (91°F). This month sees considerable rainfall, averaging 203 mm (8.0 in) over 22 days, contributing to a humid environment with 76% humidity. In contrast, December offers a much cooler climate, with minimum temperatures dropping to 11°C (51°F) and a comfortable average of 22°C (72°F), peaking at 29°C (84°F). Precipitation significantly decreases to 41 mm (1.6 in) over just 9 days, and while the humidity remains relatively high at 81%, the overall feel is much drier compared to September. For more detailed information, you can check Coconut Grove weather in December.

Compare Coconut Grove's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Coconut Grove

As September unfolds in Coconut Grove, the weather showcases a vibrant transition compared to the earlier summer months. With warm temperatures averaging around 28°C (82°F), the warmth is tempered by increased humidity and a noteworthy level of rainfall, making it one of the wettest months of the year. Frequent precipitation, occurring on roughly three-quarters of the month’s days, brings lush greenery to the area but can also create unexpected showers for outdoor plans. This combination of heat and humidity creates a unique atmosphere that sets September apart, inviting visitors to enjoy the beauty of Coconut Grove's tropical landscape. For more insights on the region's conditions, explore the Coconut Grove Climate page.