September Weather in Tropic, United States

Last updated: June 24, 2025

In Tropic, United States, the average temperature in September is a comfortable 17°C (62°F). However, temperatures can vary significantly, with a minimum of -3°C (26°F) and a maximum soaring to 34°C (93°F). Expect some light rain, with a total precipitation of 13 mm (0.5 in) over the span of 2 days. On average, the humidity sits at 52%, providing a pleasant atmosphere.

September Temperature in Tropic

In September in Tropic, the average temperature is 17°C (62°F), with maximums potentially reaching 34°C (93°F) and minimums dropping to as low as -3°C (26°F). This wide temperature range makes it essential for travelers to pack layers to ensure comfort throughout their stay.

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

The chart illustrates September temperature patterns in Tropic, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tropic, September typically has an average temperature of 17°C (62°F), with highs reaching up to 34°C (93°F) and lows dropping to around -3°C (26°F).

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

September Precipitation in Tropic

In Tropic in September, the precipitation amount is 13 mm (0.5 in) over a span of 2 days.

September Precipitation Trends in Tropic

The chart displays monthly precipitation patterns in Tropic, 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 Tropic, September typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 2 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 Tropic

In Tropic in September, humidity is 52%. With an average temperature of 17°C (62°F), this humidity feels like a pleasant embrace, making travel enjoyable yet requiring a light jacket for comfort while exploring.

September Average Humidity in Tropic

This chart illustrates the average monthly humidity levels in Tropic, 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 Tropic is approximately 52%, 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 Tropic

In Tropic 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 Tropic.

Maximum UV Index Levels in Tropic for September

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

Data source: Tropic 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 Tropic Compares to Other Months

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

This table compares monthly weather conditions in Tropic, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	32 mm (1.3 inches)	82%	moderate
February Weather	-4°C (25°F)	34 mm (1.3 inches)	84%	high
March Weather	1°C (34°F)	38 mm (1.5 inches)	73%	very high
April Weather	7°C (44°F)	20 mm (0.8 inches)	65%	very high
May Weather	12°C (54°F)	28 mm (1.1 inches)	48%	extreme
June Weather	19°C (67°F)	6 mm (0.3 inches)	35%	extreme
July Weather	22°C (72°F)	20 mm (0.8 inches)	33%	extreme
August Weather	21°C (70°F)	18 mm (0.7 inches)	37%	extreme
September Weather	17°C (62°F)	13 mm (0.5 inches)	52%	very high
October Weather	8°C (46°F)	21 mm (0.8 inches)	67%	high
November Weather	3°C (38°F)	20 mm (0.8 inches)	80%	moderate
December Weather	-4°C (26°F)	24 mm (1.0 inches)	83%	moderate