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September Weather in Macouria, French Guiana

Last updated: August 23, 2025

In September, the average temperature in Macouria, French Guiana is a warm 28°C (82°F), with a minimum of 24°C (76°F) and a maximum peak of 32°C (90°F). Expect about 56 mm (2.2 in) of precipitation over 12 days, leading to an average humidity level of 79%. 🌧️🌞

September Temperature in Macouria

In September in Macouria, the average temperature is 28°C (82°F). Maximums can reach 32°C (90°F), while minimums can drop to as low as 24°C (76°F). This pleasant climate makes it an ideal destination for travelers seeking warmth and sunshine.

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

The chart illustrates September temperature patterns in Macouria, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Macouria, September typically has an average temperature of 28°C (82°F), with highs reaching up to 32°C (90°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec797979797979798182828179
Data source: Temperature data for Macouria 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 Macouria

In Macouria in September, the precipitation amount is 56 mm (2.2 in) spread over 12 days.

September Precipitation Trends in Macouria

The chart displays monthly precipitation patterns in Macouria, 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 Macouria, September typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec225189196390576433269925659204349
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Macouria

In Macouria in September humidity is 79%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration more strenuous and requiring frequent breaks for hydration.

September Average Humidity in Macouria

This chart illustrates the average monthly humidity levels in Macouria, 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 Macouria is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%76%77%77%78%87%81%80%79%80%85%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Macouria

In Macouria in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Macouria.

Maximum UV Index Levels in Macouria for September

The chart shows the monthly maximum UV Index (UVI) for Macouria 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 Macouria typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131416161413121313131312
Data source: Macouria 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 Macouria Compares to Other Months

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

This table compares monthly weather conditions in Macouria, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)225 mm (8.9 inches)78%extreme
February Weather26°C (79°F)189 mm (7.5 inches)76%extreme
March Weather26°C (80°F)196 mm (7.7 inches)76%extreme
April Weather26°C (80°F)390 mm (15.4 inches)77%extreme
May Weather26°C (80°F)576 mm (22.7 inches)78%extreme
June Weather26°C (79°F)433 mm (17.1 inches)87%extreme
July Weather26°C (80°F)269 mm (10.6 inches)81%extreme
August Weather27°C (81°F)92 mm (3.6 inches)80%extreme
September Weather28°C (82°F)56 mm (2.2 inches)79%extreme
October Weather28°C (82°F)59 mm (2.3 inches)80%extreme
November Weather27°C (81°F)204 mm (8.0 inches)85%extreme
December Weather26°C (79°F)349 mm (13.7 inches)84%extreme

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