nomadseason

September Weather in Algoma, United States

Last updated: June 24, 2025

In Algoma, United States, the average temperature in September hovers around 25°C (77°F). Expect a minimum dip to 10°C (51°F) and a peak at 37°C (100°F). During this time, precipitation reaches about 105 mm (4.2 in) over 8 days, accompanied by an average humidity of 70%.

September Temperature in Algoma

In September in Algoma, the average temperature is 25°C (77°F). Maximums can reach 37°C (100°F), while minimums can drop to as low as 10°C (51°F). This diverse temperature range makes Algoma an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Algoma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Algoma, September typically has an average temperature of 25°C (77°F), with highs reaching up to 37°C (100°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec454957627278818076665248
Data source: Temperature data for Algoma generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Algoma

In Algoma in September, the precipitation amount is 105 mm (4.2 in) over the course of 8 days.

September Precipitation Trends in Algoma

The chart displays monthly precipitation patterns in Algoma, 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 Algoma, September typically receives around 105 mm (4.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec12619116314711613611212310611178146
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Algoma

In Algoma in September, humidity is 70%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, moist blanket that clings to your skin, making every step feel heavier as you explore the sights and sounds of your destination.

September Average Humidity in Algoma

This chart illustrates the average monthly humidity levels in Algoma, 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 Algoma is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%85%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Algoma

In Algoma in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Algoma.

Maximum UV Index Levels in Algoma for September

The chart shows the monthly maximum UV Index (UVI) for Algoma 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 Algoma typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109764
Data source: Algoma 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 Algoma Compares to Other Months

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

This table compares monthly weather conditions in Algoma, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)126 mm (4.9 inches)86%moderate
February Weather9°C (49°F)191 mm (7.5 inches)85%high
March Weather14°C (57°F)163 mm (6.4 inches)84%very high
April Weather17°C (62°F)147 mm (5.8 inches)81%very high
May Weather22°C (72°F)116 mm (4.6 inches)83%extreme
June Weather26°C (78°F)136 mm (5.4 inches)83%extreme
July Weather27°C (81°F)112 mm (4.4 inches)80%extreme
August Weather27°C (80°F)123 mm (4.8 inches)73%very high
September Weather25°C (77°F)105 mm (4.2 inches)70%very high
October Weather19°C (66°F)111 mm (4.4 inches)73%high
November Weather11°C (52°F)78 mm (3.1 inches)85%high
December Weather9°C (49°F)146 mm (5.8 inches)88%moderate

Compare Algoma's Climate with Cities Worldwide