September Weather in Tacna, United States

Last updated: June 24, 2025

In Tacna, United States, the average temperature in September hovers around 32°C (90°F), but be prepared for extremes: it can drop as low as 16°C (61°F) or soar to a scorching 48°C (118°F). Expect some rain too, with 17 mm (0.7 in) of precipitation spread over 2 days. The air is relatively dry, with an average humidity of 50%. Stay hydrated and enjoy the sun!

September Temperature in Tacna

In September, in Tacna, the average temperature is 32°C (90°F). The maximum can reach 48°C (118°F), while the minimum can be as low as 16°C (61°F). Travelers should prepare for extreme heat during the day and cooler temperatures at night.

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

The chart illustrates September temperature patterns in Tacna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tacna, September typically has an average temperature of 32°C (90°F), with highs reaching up to 48°C (118°F) and lows dropping to around 16°C (61°F).

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

September Precipitation in Tacna

In Tacna in September, the precipitation amount is 17 mm (0.7 in) over a span of 2 days.

September Precipitation Trends in Tacna

The chart displays monthly precipitation patterns in Tacna, 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 Tacna, September typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 2 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Tacna

In Tacna in September humidity is 50%. With an average temperature of 32°C (90°F), this humidity feels like a warm embrace, making it essential to stay hydrated and take frequent breaks while exploring the sights.

September Average Humidity in Tacna

This chart illustrates the average monthly humidity levels in Tacna, 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 Tacna is approximately 50%, 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 Tacna

In Tacna 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 Tacna.

Maximum UV Index Levels in Tacna for September

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

Data source: Tacna 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 Tacna Compares to Other Months

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

This table compares monthly weather conditions in Tacna, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (58°F)	13 mm (0.5 inches)	73%	moderate
February Weather	16°C (61°F)	14 mm (0.6 inches)	76%	high
March Weather	20°C (68°F)	11 mm (0.4 inches)	65%	very high
April Weather	25°C (77°F)	1 mm (0.1 inches)	50%	very high
May Weather	28°C (82°F)	0 mm (0.0 inches)	33%	extreme
June Weather	33°C (91°F)	1 mm (0.0 inches)	28%	extreme
July Weather	36°C (97°F)	9 mm (0.3 inches)	28%	extreme
August Weather	36°C (97°F)	9 mm (0.4 inches)	33%	extreme
September Weather	32°C (90°F)	17 mm (0.7 inches)	50%	very high
October Weather	25°C (78°F)	12 mm (0.5 inches)	61%	very high
November Weather	20°C (68°F)	10 mm (0.4 inches)	70%	moderate
December Weather	14°C (58°F)	14 mm (0.6 inches)	78%	moderate