September Weather in Tonate, French Guiana

Last updated: August 23, 2025

In Tonate, French Guiana, the average temperature in September hovers around 27°C (82°F), with a comfortable minimum of 23°C (74°F) and a maximum reaching 33°C (91°F). Expect 96 mm (3.8 in) of precipitation over 14 days, contributing to an average humidity level of 62%. Get ready for a warm and occasionally wet month!

September Temperature in Tonate

In September in Tonate, the average temperature is 27°C (82°F), with maximums reaching 33°C (91°F) and minimums dropping to as low as 23°C (74°F). This pleasant climate makes it an ideal destination for travelers seeking warm and enjoyable weather.

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

The chart illustrates September temperature patterns in Tonate, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tonate, September typically has an average temperature of 27°C (82°F), with highs reaching up to 33°C (91°F) and lows dropping to around 23°C (74°F).

Data source: Temperature data for Tonate generated using information from the Copernicus Climate Change Service.

September Precipitation in Tonate

In Tonate in September, the total precipitation amount is 96 mm (3.8 in) over the course of 14 days.

September Precipitation Trends in Tonate

The chart displays monthly precipitation patterns in Tonate, 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 Tonate, September typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 14 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Tonate

In Tonate in September, humidity is 62%. With an average temperature of 27°C (82°F), this humidity feels like a warm embrace, making travel slightly sticky but invigorating, perfect for leisurely strolls along scenic paths or relaxing at outdoor cafes under the shade.

September Average Humidity in Tonate

This chart illustrates the average monthly humidity levels in Tonate, 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 Tonate is approximately 62%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tonate

In Tonate 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 Tonate.

Maximum UV Index Levels in Tonate for September

The chart shows the monthly maximum UV Index (UVI) for Tonate 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 Tonate typically reaches 13, which falls under the extreme exposure category.

Data source: Tonate 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 Tonate Compares to Other Months

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

This table compares monthly weather conditions in Tonate, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (78°F)	203 mm (8.0 inches)	70%	extreme
February Weather	26°C (79°F)	172 mm (6.8 inches)	66%	extreme
March Weather	26°C (79°F)	202 mm (7.9 inches)	66%	extreme
April Weather	26°C (79°F)	377 mm (14.9 inches)	66%	extreme
May Weather	26°C (79°F)	555 mm (21.9 inches)	68%	extreme
June Weather	26°C (79°F)	447 mm (17.6 inches)	86%	extreme
July Weather	26°C (79°F)	300 mm (11.8 inches)	76%	extreme
August Weather	27°C (81°F)	150 mm (5.9 inches)	65%	extreme
September Weather	27°C (82°F)	96 mm (3.8 inches)	62%	extreme
October Weather	27°C (82°F)	80 mm (3.2 inches)	63%	extreme
November Weather	27°C (80°F)	229 mm (9.0 inches)	74%	extreme
December Weather	26°C (79°F)	343 mm (13.5 inches)	79%	extreme