September Weather in Flores, Brazil

Last updated: August 21, 2025

In Flores, Brazil, September ushers in a warm climate with maximum temperatures reaching up to 36°C (97°F), while the average temperature settles comfortably at 26°C (78°F). Nights are pleasantly mild, with lows averaging 16°C (61°F). Visitors can expect near-dry conditions, with only 1 mm (0.0 in) of rainfall recorded, resulting in 0 days of precipitation throughout the month. The humidity levels hover around 59%, creating a tropical ambiance perfect for outdoor adventures and exploration. Experience the vibrant beauty of Flores under the warm September sun!

September Temperature in Flores

In September, Flores, Brazil, experiences a delightful transition as temperatures remain warm but begin to show signs of mildness. The month averages around 26°C (78°F), with minimums rarely dipping below 16°C (61°F), while maximums can peak at 36°C (97°F). This gradual cooling trend from the sweltering heights of winter signifies a shift toward more comfortable weather, making it an ideal time for outdoor activities and exploration. As the region moves from the lingering heat of August, September invites visitors to enjoy its vibrant culture and lush landscapes under the embrace of pleasantly warm days and cooler nights.

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

The chart illustrates September temperature patterns in Flores, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Flores, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec807978777674737578818282
Data source: Temperature data for Flores 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 Flores

September in Flores, Brazil marks a striking shift in the weather patterns typical of the region, as precipitation dramatically plummets to a mere 1 mm (0.0 in) across the month. This voluntary retreat of rain follows a series of rain-soaked months—from January through March, where precipitation was more generous, peaking at 163 mm (6.4 in) in March. Interestingly, this pattern of decreased rain culminates in a dry spell, with no recorded rainfall days in September, a contrast to the wetter months prior. As the dry season continues into October, the landscape transitions into a tranquility rarely seen just months before, highlighting the seasonal rhythm that defines the climate of Flores.

September Precipitation Trends in Flores

The chart displays monthly precipitation patterns in Flores, 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. In Flores, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec481511631015714183121722
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Flores

As the seasons change in Flores, Brazil, September marks a notable shift in humidity, dropping to a comfortable 59%. This decline continues the trend established over the previous months, showcasing a clear transition from the sweltering humidity of summer, where levels peaked at 92% in March and April, to a much drier atmosphere as the year winds down. Following the gradual decrease through August's 65%, September signals the start of more pleasant weather, paving the way for October and November, when humidity reaches its lowest, at 53% and 49%, respectively. This gradual dip not only enhances outdoor experiences but also invites a refreshing reprieve from the intense tropical climate typical of earlier months.

September Average Humidity in Flores

This chart illustrates the average monthly humidity levels in Flores, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Flores is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%91%92%92%89%80%70%65%59%53%49%59%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Flores

In September, Flores, Brazil, experiences a UV Index of 14, categorizing it as an extreme risk for sun exposure, with a burn time of just 10 minutes. This month's UV levels mirror the trends seen in both January and April, indicating that the sun remains fierce as the year transitions toward autumn. Interestingly, following a summer peak in February and March at UV Index 15, September's reading suggests a slight seasonal fluctuation, yet the need for sun protection remains critical. Travelers and locals alike should be vigilant and take necessary precautions against harmful UV rays. For more insights on UV levels throughout the year, visit Flores UV Index.

Maximum UV Index Levels in Flores for September

The chart shows the monthly maximum UV Index (UVI) for Flores 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. In September, the maximum UV index in Flores typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141515141211111214141515
Data source: Flores 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 Flores

As September unfolds in Flores, Brazil, residents and visitors alike bask in the glow of 339 hours of sunshine, marking the transition into a month characterized by an uplifting surge in daylight. This trend reflects a consistent climb from the year’s start, where sunshine peaked at 276 hours in January, gradually building towards October's impressive 360 hours. Each month's increasing light not only brings warmth but also invites adventure, as the days grow longer and more vibrant. With the sun shining brighter in September, it's the perfect time to explore the natural beauty and rich culture of Flores before the year’s end.

Monthly Sunshine Duration in Flores: September Highlighted

The September sunshine duration represents the total number of hours Flores 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.
JanFebMarAprMayJunJulAugSepOctNovDec276h308h337h329h326h304h299h331h339h360h344h348h
Data source: Flores September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Flores During September

September in Flores, Brazil, ushers in a notable increase in sunny weather, boasting a 70% chance of sunshine. This marks a significant shift from the earlier months of the year, where the likelihood of clear skies hovers between 23% and 53%. Following the mild weather of August, September emerges as one of the brightest months, setting a positive trend for the approaching spring season. As temperatures rise and the days lengthen, residents and visitors alike can look forward to abundant sunshine, making it an ideal time to explore the region's vibrant natural beauty.

Percentage of Sunny Days in September in Flores

The chart illustrates the percentage of sunny days in Flores 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 Flores experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%30%44%31%36%52%49%53%70%52%38%26%
Data source: Flores September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Flores in September

In September, Flores, Brazil, experiences a return to 12 hours of daylight, mirroring the bright and balanced conditions of the earlier months in the year. This shift marks a subtle yet significant trend, as daylight duration fluctuates between 11 and 12 hours from April to August, providing a rhythmic consistency that influences both daily life and natural activities. As the southern hemisphere transitions towards the end of the year, this pattern of longer days re-establishes an invigorating atmosphere, perfect for enjoying the region's stunning landscapes and vibrant culture throughout the upcoming months. With daylight hours steadily increasing, September serves as a reminder of the beauty of nature’s cycles in this tropical paradise.

Average Daylight Hours in Flores for September

The chart illustrates the variation in daylight duration in Flores throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 30m12h 20m12h 7m11h 54m11h 44m11h 39m11h 42m11h 50m12h 2m12h 16m12h 27m12h 33m
Data source: Flores daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Flores

In September, Flores, Brazil experiences a delightful shift in wind patterns, with an average speed of 4.4 m/s (10 mph). This brisk breeze marks a notable transition from the calmer months of February and March, where winds barely reached 2.4 m/s (5 mph) and 2.7 m/s (6 mph), respectively. As the year progresses, a clear trend emerges: the winds pick up substantially during the winter months, peaking in August at 5.5 m/s (12 mph). By September, the winds settle slightly but remain invigorating, maintaining strong gusts that usher in the vibrant spring atmosphere. Following September, the winds gradually decline, illustrating the seasonal fluctuation that characterizes this tropical paradise.

Average September Wind Speed in Flores

The chart displays monthly wind speed patterns in Flores, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.32.42.72.73.84.24.55.54.4 m/s3.93.43.4
Data source: Flores September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Flores Compares to Other Months

Weather in Flores varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Flores, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January present notable contrasts in weather patterns. In September, temperatures typically range from a mild 16°C (61°F) at night to a warm 36°C (97°F) during the day, with an average temperature of 26°C (78°F). This month enjoys a dry spell, receiving only 1 mm of precipitation and boasting zero rainy days, alongside moderate humidity levels at 59%. In contrast, January maintains warmer nighttime lows at 19°C (66°F) and equally high daytime temperatures peaking at 36°C (97°F), with a slight rise in average temperature to 27°C (80°F). However, January is much wetter, with 48 mm of rainfall across seven days, contributing to a higher humidity level of 88%. For a detailed look at January weather patterns, check out Flores weather in January.

September and February present noticeably different weather patterns. In September, temperatures range from a minimum of 16°C (61°F) to a maximum of 36°C (97°F), with an average of 26°C (78°F), accompanied by low humidity at 59% and virtually no precipitation. In stark contrast, February experiences higher minimum temperatures of 20°C (68°F) and slightly higher averages of 26°C (80°F), with maximums reaching up to 37°C (98°F). However, it sees significant rainfall, totaling 151 mm (5.9 in) over approximately 15 days, coupled with much higher humidity at 91%. This makes February a much wetter and more humid month compared to the dry and warm September. For more detailed insights, check out Flores weather in February.

In September, the weather is characterized by warm temperatures, with a minimum of 16°C (61°F) and a maximum of 36°C (97°F), while experiencing very little precipitation at just 1 mm over the month and maintaining a moderate humidity level of 59%. In contrast, March brings a higher minimum temperature of 19°C (66°F) but shares the same maximum of 36°C (97°F). However, it is significantly wetter, with 163 mm (6.4 in) of precipitation occurring over 17 days and a much higher humidity at 92%. For more details about the weather in March, you can check Flores weather in March.

September and April present contrasting weather experiences. In September, temperatures range from a comfortable minimum of 16°C (61°F) to a warm maximum of 36°C (97°F), with an average of 26°C (78°F). The month is characterized by dry conditions, with barely any precipitation and humidity at 59%. In stark contrast, April sees higher temperatures, with a minimum of 18°C (64°F) and a maximum of 35°C (94°F), averaging 25°C (77°F). However, April is much wetter, receiving 101 mm (4.0 in) of rain over 15 days and a humidity level of 92%. This makes April a more humid and rainy month compared to the dry heat of September. For more details on April weather, check Flores weather in April.

In September, the weather features warm temperatures with a minimum of 16°C (61°F), an average of 26°C (78°F), and a maximum of 36°C (97°F), while enjoying virtually no precipitation and a humidity level of 59%. In contrast, May offers slightly cooler conditions with a minimum of 16°C (62°F), an average of 24°C (76°F), and a maximum of 35°C (96°F). However, May is characterized by significantly higher rainfall, accumulating 57 mm (2.2 in) across 8 days, and a humidity level of 89%. For a more in-depth look at May weather, check out Flores weather in May.

In comparing the weather between September and June, September enjoys warmer temperatures with an average of 26°C (78°F), reaching highs of up to 36°C (97°F), while June averages a cooler 23°C (74°F) with maximums around 32°C (89°F). Additionally, September boasts a dry climate with no recorded precipitation and a comfortable humidity level of 59%, whereas June experiences more moisture with 14 mm of rainfall over three days and higher humidity at 80%. For more specific details about June weather, you can refer to Flores weather in June.

When comparing the weather between September and July, September tends to be warmer and drier. In September, temperatures range from a minimum of 16°C (61°F) to a maximum of 36°C (97°F), with an average of 26°C (78°F), while July has a slightly cooler range of 15°C (59°F) to 33°C (92°F) and an average of 23°C (73°F). Additionally, September experiences no precipitation, while July sees 18 mm (0.7 in) of rain over three days. Humidity also plays a role, with September's humidity at 59% compared to July's higher level of 70%. For more details, you can check this link: Flores weather in July.

In September, the weather generally warms up compared to August, with minimum temperatures rising to 16°C (61°F) and maximum temperatures reaching as high as 36°C (97°F). The average temperature in September is 26°C (78°F), compared to August's average of 24°C (75°F). Notably, September experiences significantly less precipitation, with only 1 mm recorded, whereas August sees a slightly higher total of 3 mm. Additionally, humidity levels are slightly lower in September at 59%, compared to 65% in August. For a detailed look at the weather conditions in August, you can check Flores weather in August.

In September, the weather is warm with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 36°C (97°F), accompanied by low humidity at 59% and virtually no precipitation. In contrast, October sees a slight increase in both minimum and average temperatures, with a minimum of 18°C (64°F) and an average of 27°C (82°F), while still reaching a maximum of 37°C (98°F). Although October experiences a slight uptick in precipitation to 2 mm (0.1 in), it remains dry with no rainy days and a decrease in humidity to 53%. For more detailed information, you can check the Flores weather in October.

In comparing the weather of September and November, September boasts a warmer average temperature of 26°C (78°F) with maximums reaching up to 36°C (97°F) and no recorded precipitation. In contrast, November experiences slightly higher averages at 28°C (82°F) and maximum temperatures peaking at 37°C (99°F), but also brings some rainfall, totaling 17 mm (0.7 in) over two days. Additionally, November's humidity is notably lower at 49%, compared to September's 59%, adding a different feel to the atmosphere. For more details, check out Flores weather in November.

In September, temperatures in Flores range from a minimum of 16°C (61°F) to a maximum of 36°C (97°F), averaging around 26°C (78°F). The month is characterized by very little rain, with only 1 mm of precipitation over zero rainy days and a humidity level maintained at 59%.

Conversely, December sees a slight increase in temperatures, with a minimum of 19°C (66°F) and a maximum reaching 37°C (99°F), averaging 28°C (82°F). However, this month brings more moisture, with 22 mm of precipitation spread across three rainy days, while humidity remains constant at 59%. For more detailed information on December weather in Flores, visit Flores weather in December.

Compare Flores's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Flores

September in Flores brings a delightful shift in weather that stands apart from the preceding months. With warm temperatures averaging around 26°C and the absence of rain, it creates the perfect opportunity to explore the area with ease. The humidity remains moderate at 59%, ensuring a comfortable atmosphere for both residents and visitors alike. As the dry season continues, September's clear skies and abundant sunshine make it a fantastic time to enjoy outdoor activities and embrace natural beauty. For more detailed insights, visit Flores Climate.