September Weather in Orlando, United States

Last updated: February 24, 2025

September in Orlando, United States, offers a balmy climate with daytime temperatures reaching a maximum of 34°C (94°F) and an average of 27°C (81°F). As the month progresses, temperatures can dip to a comfortable minimum of 18°C (66°F) during the night. Visitors should prepare for a humid environment, with an average humidity of 83%, making it feel warmer than it actually is. Rainfall is frequent, as 184 mm (7.3 in) of precipitation is recorded over approximately 20 days, contributing to the lush green scenery of this vibrant city. Whether exploring its attractions or relaxing outdoors, September's weather in Orlando presents both challenges and delights.

September Temperature in Orlando

September in Orlando marks a transitional phase as summer begins to wane, yet temperatures remain comfortably warm. With minimums around 18°C (66°F) and averages settling at 27°C (81°F), the month offers inviting conditions for outdoor activities and adventures. Daily highs can reach a maximum of 34°C (94°F), reminiscent of the peak summer heat. Despite slightly cooler evenings, the humidity lingers, keeping the vibrant atmosphere of the city alive. This blend of warm days and pleasant nights makes September an ideal time to enjoy Orlando's renowned theme parks and outdoor attractions before the cooler October breezes arrive.

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

The chart illustrates September temperature patterns in Orlando, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec616668737781828281776863
Data source: Temperature data for Orlando 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 Orlando

In September, Orlando experiences a notable shift in precipitation patterns, with an average rainfall of 184 mm (7.3 in) across about 20 days, marking a decrease from the torrential summer months. This drop follows the peak rainfall figures of July and August, which both recorded 234 mm (9.2 in), highlighting the transition from the intense summer storms. While September's precipitation still remains relatively high compared to earlier months, like April (75 mm) and March (21 mm), it signals the onset of the drier autumn season. The combination of frequent showers and substantial rainfall makes September a month where the lush greenery of Orlando thrives, yet as the days grow shorter, locals and visitors alike may begin to notice the gradual tapering of those summer rains.

September Precipitation Trends in Orlando

The chart displays monthly precipitation patterns in Orlando, 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.
JanFebMarAprMayJunJulAugSepOctNovDec41512175102214234234185914462
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Orlando

In September, Orlando experiences a notable uptick in humidity, reaching 83%, which ties with the January levels, making it one of the most humid months of the year. This rise follows the slightly decreasing trend observed from April to May, where humidity was at its lowest at 68%. As summer transitions to fall, humidity fluctuates with August's 81%, before climbing back up in September. This trend highlights Orlando's characteristic warm, humid climate, where moisture levels tend to peak at the end of the summer, creating a sticky atmosphere that many residents and visitors experience. The consistent humidity throughout the year, particularly in the latter months, underscores the city’s subtropical environment, making it essential for anyone planning to visit to be prepared for the humidity that permeates the air.

September Average Humidity in Orlando

This chart illustrates the average monthly humidity levels in Orlando, 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.
JanFebMarAprMayJunJulAugSepOctNovDec83%80%75%70%68%75%80%81%83%81%82%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Orlando

As September rolls into Orlando, residents and visitors alike should be prepared for an extreme UV Index of 11, maintaining the trend established in the summer months. This peak level signifies a significant risk of harm from unprotected sun exposure, with a burn time of merely 10 minutes for fair-skinned individuals. Remarkably, the UV Index remains consistent with the high levels experienced in July and August, yet it starts to taper off into October's more moderate rating. This slight decrease invites outdoor enthusiasts to enjoy the lingering warmth of September while being vigilant about sun safety. For more insights on sun exposure during the year, explore the detailed analysis at Orlando UV Index.

Maximum UV Index Levels in Orlando for September

The chart shows the monthly maximum UV Index (UVI) for Orlando 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.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121111975
Data source: Orlando 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 Orlando

September in Orlando boasts a delightful 302 hours of sunshine, making it one of the sunniest months of the year. As summer transitions into fall, the sun continues to shine brightly, capturing the essence of Florida's warm climate. Following the peak of May's 324 hours, the gradual dip in sunlight hours during the later months reminds us of the changing seasons. Compared to October’s 292 hours, September remains a vibrant time for outdoor activities and exploration. This enduring abundance of sunshine not only enhances the charm of Orlando but also offers plenty of opportunities for visitors to bask in the radiant warmth as summer lingers just a bit longer.

Monthly Sunshine Duration in Orlando: September Highlighted

The September sunshine duration represents the total number of hours Orlando 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.
JanFebMarAprMayJunJulAugSepOctNovDec210h250h309h310h324h292h320h316h302h292h258h260h
Data source: Orlando September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Orlando During September

In September, Orlando experiences a moderate 30% chance of sunny weather, a notable shift from the preceding summer months, where sunlit days plummet to 14% in August and 22% in July. As summer gives way to fall, the likelihood of clear skies begins to increase again, leading into October’s more promising 46% chance. This gradual improvement suggests that while September may still carry some humidity and occasional rain, it's a transitional month hinting at the sunnier skies that are just around the corner. So, if you're planning a visit, you might find a mix of both sun and clouds, perfect for exploring the city's attractions.

Percentage of Sunny Days in September in Orlando

The chart illustrates the percentage of sunny days in Orlando 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 Orlando experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec43%48%43%50%51%20%22%14%30%46%49%52%
Data source: Orlando September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Orlando in September

As summer fades into autumn, September marks a notable transition in Orlando's daylight duration, offering approximately 12 hours of sunlight. This is a slight decline from the peak of 13 hours experienced in the summer months of June, July, and August. The gradual decrease heralds the onset of fall, with daylight hours progressively shortening as October approaches, dipping back to 11 hours. This trend reflects a rhythmic shift in nature, where longer, sun-soaked days give way to the cozy embrace of shorter, cooler evenings. As September unfolds, residents and visitors alike can revel in the lingering warmth of summer while preparing for the vibrant hues and crisp air that autumn brings.

Average Daylight Hours in Orlando for September

The chart illustrates the variation in daylight duration in Orlando throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 32m11h 11m12h12h 51m13h 34m13h 54m13h 43m13h 5m12h 17m11h 26m10h 42m10h 20m
Data source: Orlando daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Orlando

In September, the winds in Orlando, United States, tend to whisper softly, with an average speed of just 2.0 m/s (4 mph), marking the quietest month of the year. This gentle breeze contrasts sharply with the earlier months, where wind speeds hover around 2.3 to 3.3 m/s (5 to 7 mph) from January to May. As summer fades, the decline in wind speed continues, reflecting the calmer atmosphere that often accompanies the transition to autumn. Interestingly, September’s stillness gives way to a slight uptick in October, suggesting a shift as the seasons change. Overall, the September winds epitomize a tranquil moment in Orlando, perfect for enjoying the lingering warmth before the cooler months arrive.

Average September Wind Speed in Orlando

The chart displays monthly wind speed patterns in Orlando, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.93.33.23.03.22.62.32.32.0 m/s2.52.92.4
Data source: Orlando September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Orlando Compares to Other Months

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

The weather in September is characterized by much warmer temperatures, with a minimum of 18°C (66°F) and maximum reaching up to 34°C (94°F), averaging around 27°C (81°F). This month is also quite rainy, featuring 184 mm (7.3 in) of precipitation over 20 days, and maintaining high humidity levels at 83%. In contrast, January experiences significantly cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 29°C (84°F), averaging 16°C (61°F). The precipitation drops to 41 mm (1.6 in) occurring over just 4 days, while humidity remains consistent at 83%. For those interested in more specifics about the winter climate, check out Orlando weather in January.

September and February present contrasting weather conditions. September typically enjoys warmer temperatures, with a minimum of 18°C (66°F) and averages around 27°C (81°F), peaking at 34°C (94°F). However, it also brings significant rainfall, with 184 mm (7.3 in) over approximately 20 days, resulting in high humidity levels of 83%. In contrast, February features cooler temperatures, ranging from a minimum of 1°C (34°F) to an average of 19°C (67°F) and a maximum of 30°C (87°F). February is notably drier, with only 51 mm (2.0 in) of precipitation over about 6 days, and a slight reduction in humidity at 80%. For more details on February weather, visit Orlando weather in February.

September and March present distinctly different weather patterns. In September, temperatures typically range from a comfortable minimum of 18°C (66°F) to a scorching maximum of 34°C (94°F), with an average of 27°C (81°F). This month also sees significant rainfall, with approximately 184 mm (7.3 in) spread across 20 days, contributing to a high humidity level of 83%. In contrast, March offers a much cooler experience, with minimum temperatures dropping to 3°C (38°F), an average of 20°C (69°F), and a maximum of 33°C (91°F). The precipitation during March is minimal, with only 21 mm (0.8 in) occurring over 3 days and humidity at a lower 75%. For a more detailed look at the weather patterns, check out Orlando weather in March.

When comparing the weather in September and April, notable differences emerge. September typically showcases warmer temperatures, with an average of 27°C (81°F) and peaks reaching up to 34°C (94°F). In contrast, April's average temperature is slightly cooler at 23°C (73°F), though it can also reach a high of 34°C (94°F) on warmer days. September experiences significantly more rainfall, averaging 184 mm (7.3 in) over approximately 20 days, while April is much drier with just 75 mm (2.9 in) over about 8 days. Additionally, the humidity is generally higher in September at 83%, compared to April's 70%. For a deeper dive into April weather specifics, you can check out Orlando weather in April.

When comparing the weather in September and May, notable differences emerge. September typically experiences warmer temperatures, with a minimum of 18°C (66°F) and an average high of 34°C (94°F), while May has a slightly cooler minimum of 12°C (54°F) and a maximum of 36°C (96°F). However, May benefits from drier conditions, featuring just 102 mm (4.0 in) of precipitation over around 10 days, compared to September’s 184 mm (7.3 in) across 20 days. Additionally, humidity levels are higher in September at 83%, compared to 68% in May. For more detailed information about weather in May, visit Orlando weather in May.

In comparing the weather of September and June, both months showcase similar average temperatures, hovering around 27°C (81°F). However, September tends to be slightly cooler with minimum temperatures averaging 18°C (66°F), compared to June's minimum of 21°C (69°F). June typically experiences higher maximum temperatures, reaching up to 35°C (96°F), while September peaks at 34°C (94°F). Additionally, precipitation is more frequent in both months, with June seeing 214 mm (8.4 in) over 23 days and September receiving 184 mm (7.3 in) over 20 days. Notably, September has a higher humidity level at 83%, compared to June's 75%. For more detailed insights into June's weather, you can check Orlando weather in June.

In comparing the weather of September and July, it is evident that both months experience warm temperatures, but with some notable differences. July typically has higher minimum temperatures, averaging 22°C (73°F) compared to September's 18°C (66°F). The average temperatures in both months are relatively close, with July averaging 28°C (82°F) and September slightly warmer at 27°C (81°F). However, September sees more precipitation, with 184 mm (7.3 in) over 20 days, compared to July's 234 mm (9.2 in) over 26 days, indicating that September has more rain on fewer days. Additionally, the humidity levels are slightly higher in September at 83%, compared to July's 79%. For more detailed information on July weather specifics, refer to Orlando weather in July.

In September, the weather is slightly cooler compared to August, with minimum temperatures dropping from 23°C (74°F) in August to 18°C (66°F) in September. The average temperature also sees a modest decline, from 28°C (82°F) in August to 27°C (81°F) in September, while the maximum temperature remains consistent at 34°C (94°F) for both months. Precipitation decreases in September to 184 mm (7.3 in), down from 234 mm (9.2 in) in August, and the number of rainy days also reduces from 27 to 20. Humidity levels are comparable, at 83% in September and 81% in August. For a more detailed view of the weather in August, you can refer to Orlando weather in August.

In comparing the weather between September and October, there are notable shifts in temperature and precipitation patterns. September sees warmer temperatures with a minimum of 18°C (66°F) and an average of 27°C (81°F), peaking at 34°C (94°F), while October cools down significantly, starting with a minimum of 8°C (46°F) and averaging 25°C (77°F) with a maximum of 33°C (92°F). Rainfall also decreases from 184 mm (7.3 in) over 20 days in September to 91 mm (3.6 in) across 15 days in October, reflecting a drier trend. Humidity remains relatively high, slightly dropping from 83% in September to 81% in October. For more specific insights into October's climate, you can check out Orlando weather in October.

September and November showcase a significant contrast in weather patterns. In September, temperatures are quite warm, with averages around 27°C (81°F) and highs reaching up to 34°C (94°F), alongside high humidity levels of 83%. This month also experiences considerable rainfall, with 184 mm (7.3 in) of precipitation spread over 20 days. In contrast, November sees a notable drop in temperatures, with a minimum of 4°C (39°F) and an average of 20°C (69°F). Precipitation decreases sharply to just 44 mm (1.7 in) over 7 days, while humidity remains relatively stable at 82%. For more detailed insights, you can check Orlando weather in November.

September and December present quite different weather patterns. In September, temperatures are notably warmer, with lows of 18°C (66°F) and highs reaching up to 34°C (94°F), making it a hot month with an average of 27°C (81°F). It also tends to be quite humid, with 83% humidity and significant rainfall of 184 mm (7.3 in) spread over 20 days. In contrast, December sees a much cooler climate, with minimum temperatures dropping to 2°C (35°F) and an average temperature of 17°C (64°F). Although the maximum can still reach 29°C (85°F), overall precipitation decreases significantly to 61 mm (2.4 in) over just 7 days, while humidity remains similar at 84%. For more detailed insights, you can refer to Orlando weather in December.

Compare Orlando's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Orlando

As September rolls in, Orlando experiences a distinct shift in its weather patterns, making it both inviting and unpredictable. While temperatures remain warm, averaging around 27°C (81°F), the month is also marked by heightened humidity levels of 83%, setting the stage for frequent afternoon showers. With approximately 20 days of rain and a staggering 184 mm of precipitation, September stands out compared to the drier summer months, offering a lush and vibrant atmosphere. This blend of warmth and moisture creates an ideal environment for tropical plants to thrive, but it also means visitors should come prepared for sudden rain. For more insights into Orlando's climate trends throughout the year, be sure to check out Orlando Climate.