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September Weather in Potosi, United States

Last updated: June 24, 2025

Experience the climate of Potosi, United States in September, where the average temperature hovers around 25°C (77°F). Expect temperature fluctuations from a chilly 7°C (45°F) to a sweltering 38°C (101°F). During this month, precipitation is moderate, with 83 mm (3.3 in) spread over 6 days. Humidity levels are at a comfortable 64%, making it a pleasant time to explore!

September Temperature in Potosi

In September in Potosi, the average temperature is 25°C (77°F), with maximums reaching 38°C (101°F) and minimums dipping as low as 7°C (45°F). This varied temperature range makes Potosi an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Potosi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Potosi, September typically has an average temperature of 25°C (77°F), with highs reaching up to 38°C (101°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec454859657482858477665550
Data source: Temperature data for Potosi 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 Potosi

In Potosi in September, the precipitation amount is 83 mm (3.3 in) over the course of 6 days.

September Precipitation Trends in Potosi

The chart displays monthly precipitation patterns in Potosi, 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 Potosi, September typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec282562588148294683762227
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Potosi

In Potosi in September, humidity is 64%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace, making outdoor excursions feel a bit heavier, yet still inviting for travelers seeking a vibrant atmosphere.

September Average Humidity in Potosi

This chart illustrates the average monthly humidity levels in Potosi, 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 Potosi is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%74%75%80%80%75%67%64%70%82%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Potosi

In Potosi 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 Potosi.

Maximum UV Index Levels in Potosi for September

The chart shows the monthly maximum UV Index (UVI) for Potosi 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 Potosi typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479101112121110864
Data source: Potosi 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 Potosi Compares to Other Months

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

This table compares monthly weather conditions in Potosi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (46°F)28 mm (1.1 inches)77%moderate
February Weather9°C (48°F)25 mm (1.0 inches)76%high
March Weather15°C (60°F)62 mm (2.4 inches)74%very high
April Weather18°C (65°F)58 mm (2.3 inches)75%very high
May Weather24°C (75°F)81 mm (3.2 inches)80%extreme
June Weather28°C (82°F)48 mm (1.9 inches)80%extreme
July Weather29°C (85°F)29 mm (1.1 inches)75%extreme
August Weather29°C (84°F)46 mm (1.8 inches)67%extreme
September Weather25°C (77°F)83 mm (3.3 inches)64%very high
October Weather19°C (66°F)75 mm (3.0 inches)70%very high
November Weather13°C (56°F)22 mm (0.9 inches)82%high
December Weather10°C (50°F)27 mm (1.1 inches)85%moderate

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