Last updated: August 21, 2025
In Teresopolis, Brazil, September ushers in a blend of warmth and refreshing rainfall. With maximum temperatures soaring to 34°C (93°F) and a comfortable average of 21°C (70°F), the climate remains inviting for outdoor exploration. However, cool nights can bring temperatures down to a brisk 11°C (52°F). This month also sees an average precipitation of 77 mm (3.0 in) over 10 days, contributing to a humidity level of 68% that keeps the lush landscapes vibrant. Whether you’re hiking in the stunning mountains or enjoying local festivities, September's varied weather offers a delightful experience in this picturesque Brazilian town.
In September, Teresopolis, Brazil begins to warm up from the cooler winter months, showcasing an inviting climate for visitors. The temperatures range from a minimum of 11°C (52°F) to a pleasant average of 21°C (70°F), with daytime highs reaching a sizzling 34°C (93°F). This marks a noticeable transition, where the crispness of winter gives way to the balmy warmth of spring, lingering at comfortable levels ideal for outdoor adventures. As the foliage starts to bloom and the days grow longer, September offers a perfect balance for enjoying all that this charming city has to offer.
In September, Teresopolis experiences a noticeable shift in its precipitation patterns as it transitions from the dryer months of winter into the wetter spring season. With 77 mm (3.0 in) of rain over 10 days, September marks a slight increase compared to the previous months, signaling the beginning of more frequent rainfall. This uptick is a prelude to the heavy downpours typical of the following months, where precipitation significantly escalates. As we move into October, the average rainfall nearly doubles, highlighting September as a pivotal month that bridges the lighter, cooler rains of winter and the robust, stormy weather to come.
In September, Teresopolis experiences a notable decline in humidity, averaging around 68%. This marks the lowest level since the wetter summer months, where humidity levels consistently hover above 80%. As the year progresses from the heaviest rainfall in January and February to the much drier conditions of October, which sees humidity drop to 61%, September serves as a transitional month. The gradual decrease reflects the shift towards drier weather, with the landscape preparing for the cooler, crisp air of fall. This trend highlights a comfortable change for residents and visitors alike, as the oppressive summer heat begins to wane.
In September, Teresopolis experiences a UV Index of 12, placing it once again in the extreme exposure category with a burn time of just 10 minutes. This marks a noticeable rise from the milder levels of June and July, where the index registered 6 and 7 respectively, indicating a return to the heightened UV exposure typical of the early months of the year. As the seasons shift, the UV levels start to climb, with October expected to match September's intensity at 13. This trend reinforces the importance of sun safety as the spring months approach, so residents and visitors should take precautions to protect themselves from potential sunburn. For more detailed information on UV levels throughout the year, check out the Teresopolis UV Index.
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In Teresopolis, Brazil, September arrives with a delightful burst of sunshine, boasting 298 hours of radiant daylight. As the final month of winter, it paves the way for spring with a notable increase in sunlight, standing out against the previous months. The days are gradually lengthening, following a pattern seen since the cold of June, which recorded 279 hours. September's sun shines brighter than the preceding months of August and July, reinforcing a trend of longer, sunnier days that continue into October. With early spring on the horizon, Teresopolis invites residents and visitors alike to embrace the warmth and beauty that this month promises.
September in Teresopolis, Brazil, brings a 43% chance of sunny weather, marking a slight dip from the peak summer months of July and August. The transition from winter to spring is evident as the likelihood of clear skies begins to decrease from the robust sunshine seen in mid-winter. After benefiting from extended sun exposure earlier in the year, September’s weather hints at a gradual shift toward more variable conditions, yet still retains a favorable chance for outdoor activities. Enthusiasts can enjoy a blend of lingering sunshine amidst the blossoming beauty of spring, making it a delightful time to experience the region’s charm.
In September, Teresópolis enjoys a balanced 11 hours of daylight, maintaining consistency seen in the previous months of August and the upcoming month of October. This transitional period heralds the slow return of longer days, as the region gradually shifts from the shorter daylight hours of winter towards the more extended daylight of summer. Observing the annual trend, daylight duration begins at a generous 13 hours in January and February, dipping to 10 hours in the cooler winter months of June and July, before slowly creeping back up. By September, the subtle increase signals the approach of vibrant spring, inviting residents and visitors alike to relish in the natural beauty that the lengthening days bring.
As September rolls into Teresópolis, Brazil, the gentle breeze begins to pick up, mirroring the seasonal shift in the region. With an average wind speed of 1.7 m/s (4 mph), September matches August, marking a subtle increase in airflow compared to the earlier months of the year, which mostly hover around 1.3 to 1.5 m/s (3 mph). This consistent uptick in wind speed from the mid-year point suggests a gradual transition into the more dynamic weather of spring, as nature awakens from its winter slumber. The refreshing winds not only enhance the serene atmosphere of this picturesque locale but also invite residents and visitors alike to bask in the beauty of Teresópolis as it prepares for a vibrant season ahead.
Weather in Teresopolis varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Teresopolis, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present distinct contrasts in weather conditions. In September, temperatures range from a minimum of 11°C (52°F) to a maximum of 34°C (93°F), with an average of 21°C (70°F). The month experiences about 77 mm (3.0 in) of precipitation over approximately 10 days and has a humidity level of 68%. In contrast, January is warmer, with temperatures ranging from a minimum of 17°C (64°F) to the same maximum of 34°C (93°F), but with a higher average of 25°C (77°F). This month also sees significantly more rainfall, totaling 225 mm (8.9 in) over around 19 days, and higher humidity at 85%. For more detailed information, check out Teresopolis weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a minimum of 11°C (52°F) to a maximum of 34°C (93°F), with an average of 21°C (70°F). The month sees about 77 mm (3.0 in) of precipitation over approximately 10 days, with humidity around 68%. In contrast, February boasts warmer temperatures, with a minimum of 17°C (64°F) and an average of 24°C (75°F), peaking again at 34°C (94°F). However, it is significantly wetter, receiving 311 mm (12.2 in) of rain spread across 22 days and higher humidity levels at 85%. For more detailed information, check out Teresopolis weather in February.
September and March display distinct weather patterns, with notable differences in temperature and precipitation. In September, temperatures range from a mild 11°C (52°F) at night to a warm 34°C (93°F) during the day, averaging around 21°C (70°F). The month sees approximately 77 mm (3.0 in) of rainfall across about 10 days, with a humidity level of 68%. Conversely, March experiences slightly higher temperatures, with nighttime lows of 15°C (60°F) and daytime highs reaching 33°C (91°F), averaging 24°C (75°F). However, this month has significantly more precipitation, with around 226 mm (8.9 in) spread over 21 days and humidity rising to a higher 86%. For those interested in more details, you can check out Teresopolis weather in March.
When comparing the weather in September and April, we notice some distinct differences. September experiences a slightly wider temperature range, with minimums around 11°C (52°F) and maximums reaching up to 34°C (93°F), while April's temperatures are marginally warmer, with minimums at 13°C (56°F) and maximums capped at 33°C (91°F).
Precipitation levels are higher in April, averaging 106 mm (4.2 in) over 16 days compared to September's 77 mm (3.0 in) over 10 days, indicating that April tends to be wetter. Additionally, humidity levels are greater in April at 83%, compared to September's 68%, contributing to a more humid feel during the earlier spring month. For further details on April weather, you can refer to this link: Teresopolis weather in April.
In comparing September and May weather, September tends to be warmer with average temperatures reaching up to 21°C (70°F), while May's average is slightly cooler at 20°C (68°F). September experiences higher maximum temperatures, peaking at 34°C (93°F), compared to May’s maximum of 30°C (87°F). Both months see a similar amount of precipitation, with September receiving 77 mm (3.0 in) over about 10 days and May slightly less at 71 mm (2.8 in) over 9 days. However, May has a higher humidity level at 81%, compared to September’s 68%. For more detailed information, you can check Teresopolis weather in May.
In comparing the weather between September and June, September typically experiences a wider temperature range, with daily highs averaging around 21°C (70°F) and peaking at 34°C (93°F). In contrast, June tends to be slightly cooler, with an average of 19°C (67°F) and maximum temperatures reaching 30°C (86°F). Both months have a similar number of rainy days, but September sees higher precipitation levels at 77 mm (3.0 in), compared to June's 50 mm (2.0 in). Additionally, humidity levels are slightly lower in September at 68%, while June has a more humid atmosphere at 80%. For more details on the weather in June, you can visit Teresopolis weather in June.
September generally exhibits warmer temperatures than July, with average highs reaching 34°C (93°F) compared to July's maximum of 30°C (87°F). The minimum temperature in September is also slightly higher at 11°C (52°F) versus July's 7°C (45°F). However, September experiences more precipitation, with an average of 77 mm (3.0 in) over 10 days, in contrast to July's 37 mm (1.4 in) over just 5 days. Additionally, humidity levels are similar, with July at 76% and September at 68%. For a closer look at July's weather patterns, you can check Teresopolis weather in July.
In comparing the weather of September and August, September tends to be warmer with a minimum temperature of 11°C (52°F) and an average high of 34°C (93°F), while August sees slightly cooler temperatures with a minimum of 8°C (46°F) and an average high of 31°C (88°F). Additionally, September experiences more humidity at 68% compared to August's 73%, even though both months receive similar amounts of precipitation, around 77 mm (3.0 in) in September and 73 mm (2.9 in) in August, spread over approximately 10 days. For a closer look at the weather patterns specific to August, you can refer to Teresopolis weather in August.
September and October present notable differences in weather patterns. In September, temperatures range from a minimum of 11°C (52°F) to a maximum of 34°C (93°F), with an average temperature of 21°C (70°F). The month experiences relatively moderate precipitation levels of 77 mm (3.0 in) over about 10 days, combined with a humidity of 68%. In contrast, October sees slightly warmer temperatures, with a minimum of 12°C (54°F) and a maximum reaching 36°C (97°F), averaging 22°C (72°F). However, October also brings increased rainfall, totaling 156 mm (6.1 in) across 18 days, while humidity decreases to 61%. For a detailed look at October's conditions, you can explore Teresopolis weather in October.
In comparing the weather of September and November, September tends to be a bit warmer, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 34°C (93°F) and an average temperature of 21°C (70°F). It experiences lower precipitation levels at 77 mm (3.0 in) over about 10 days, coupled with a humidity of 68%. In contrast, November sees slightly milder temperatures, with a minimum of 12°C (53°F), an average of 22°C (71°F), and a maximum reaching 35°C (95°F). However, it also brings significantly more precipitation at 261 mm (10.3 in) over 21 days, along with a slight increase in humidity to 72%. For more detailed insights, check the Teresopolis weather in November.
In September, the weather is generally warm with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 34°C (93°F), and an average of 21°C (70°F). Precipitation is moderate, totaling 77 mm (3.0 in) over about 10 days, with humidity levels around 68%. In contrast, December sees slightly warmer temperatures, with minimums at 14°C (58°F) and maximums reaching 33°C (91°F), resulting in an average of 23°C (74°F). However, rainfall significantly increases during this month, accumulating to 309 mm (12.2 in) across approximately 25 days, and humidity rises to 75%. For a detailed overview of weather patterns, check Teresopolis weather in December.
In September, Teresópolis experiences a refreshing transition into spring, marked by a delightful mix of warm days and cooler nights. With maximum temperatures reaching a toasty 34°C, the average climate remains comfortably mild at 21°C, inviting outdoor enthusiasts to explore the lush surroundings. Unlike the heavier rains often seen in the months before, September brings a moderate amount of precipitation spread over about ten days, making it a great time to enjoy the vibrant natural beauty without the oppressive humidity typical of summer. For more insights on how this month fits into the broader weather patterns, explore Teresopolis Climate.