September Weather in Ijui, Brazil

Last updated: August 22, 2025

In Ijui, Brazil, the average temperature in September hovers around 19°C (66°F), with minimums dipping to 4°C (40°F) and maximums soaring to 34°C (93°F). Expect about 114 mm (4.5 in) of precipitation over approximately 10 days, and enjoy a relatively high average humidity level of 74%.

September Temperature in Ijui

In September in Ijui, the average temperature is 19°C (66°F), with maximums reaching 34°C (93°F) and minimums dipping as low as 4°C (40°F). This pleasant range makes it an ideal time to explore and enjoy outdoor activities in Ijui.

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

The chart illustrates September temperature patterns in Ijui, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ijui, September typically has an average temperature of 19°C (66°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec777573696260586166697376
Data source: Temperature data for Ijui 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 Ijui

In Ijui in September, the precipitation amount is 114 mm (4.5 in) over a period of 10 days.

September Precipitation Trends in Ijui

The chart displays monthly precipitation patterns in Ijui, 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 Ijui, September typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec168991371222041391128711418715889
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ijui

In Ijui in September humidity is 74%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it ideal for leisurely outdoor exploration but potentially heavy for those not accustomed to tropical conditions.

September Average Humidity in Ijui

This chart illustrates the average monthly humidity levels in Ijui, 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 Ijui is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%73%73%81%87%84%80%71%74%78%77%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ijui

In Ijui in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Ijui.

Maximum UV Index Levels in Ijui for September

The chart shows the monthly maximum UV Index (UVI) for Ijui 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 Ijui typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141210655710131415
Data source: Ijui 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.

How September Weather in Ijui Compares to Other Months

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

This table compares monthly weather conditions in Ijui, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)168 mm (6.6 inches)74%extreme
February Weather24°C (75°F)99 mm (3.9 inches)73%extreme
March Weather23°C (74°F)137 mm (5.4 inches)73%extreme
April Weather20°C (69°F)122 mm (4.8 inches)81%very high
May Weather17°C (63°F)204 mm (8.0 inches)87%high
June Weather15°C (60°F)139 mm (5.5 inches)84%moderate
July Weather14°C (58°F)112 mm (4.4 inches)80%moderate
August Weather16°C (61°F)86 mm (3.4 inches)71%high
September Weather19°C (66°F)114 mm (4.5 inches)74%very high
October Weather21°C (70°F)187 mm (7.3 inches)77%extreme
November Weather23°C (73°F)158 mm (6.2 inches)77%extreme
December Weather25°C (76°F)89 mm (3.5 inches)85%extreme

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