September Weather in Tecumseh, United States

Last updated: June 24, 2025

In September, the average temperature in Tecumseh, United States is a pleasant 22°C (71°F), with temperatures ranging from a cool 6°C (43°F) to a sizzling 36°C (97°F). Preparing for rain? Expect approximately 79 mm (3.1 in) of precipitation over about 8 days. Don't forget, the air is likely to be quite humid, with an average humidity level of 75%.

September Temperature in Tecumseh

In September in Tecumseh, the average temperature is 22°C (71°F). The maximum can reach 36°C (97°F), while the minimum can drop to as low as 6°C (43°F). This diverse temperature range makes it essential to pack both light clothing for the warm days and warmer layers for the cooler evenings during your travels.

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

The chart illustrates September temperature patterns in Tecumseh, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tecumseh, September typically has an average temperature of 22°C (71°F), with highs reaching up to 36°C (97°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec282943526477807671544234
Data source: Temperature data for Tecumseh 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 Tecumseh

In Tecumseh in September, the precipitation amount is 79 mm (3.1 in) during 8 days, indicating a relatively wet period for the area.

September Precipitation Trends in Tecumseh

The chart displays monthly precipitation patterns in Tecumseh, 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 Tecumseh, September typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec3131936516510490107791303231
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tecumseh

In Tecumseh in September, humidity is 75%. With an average temperature of 22°C (71°F), this humidity feels like a warm embrace, making traveling a bit sticky but also invigorating, as the air surrounds you with a heavy yet refreshing sensation that highlights the vibrant atmosphere of your surroundings.

September Average Humidity in Tecumseh

This chart illustrates the average monthly humidity levels in Tecumseh, 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 Tecumseh is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%80%73%75%78%82%83%81%75%75%82%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tecumseh

In Tecumseh in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Tecumseh.

Maximum UV Index Levels in Tecumseh for September

The chart shows the monthly maximum UV Index (UVI) for Tecumseh 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 Tecumseh typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Tecumseh 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 Tecumseh Compares to Other Months

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

This table compares monthly weather conditions in Tecumseh, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)31 mm (1.2 inches)76%moderate
February Weather-2°C (29°F)31 mm (1.2 inches)80%moderate
March Weather6°C (44°F)93 mm (3.7 inches)73%high
April Weather11°C (52°F)64 mm (2.5 inches)74%very high
May Weather18°C (65°F)165 mm (6.5 inches)78%very high
June Weather25°C (77°F)103 mm (4.1 inches)82%very high
July Weather26°C (80°F)90 mm (3.5 inches)83%very high
August Weather24°C (76°F)106 mm (4.2 inches)80%very high
September Weather22°C (71°F)79 mm (3.1 inches)75%very high
October Weather12°C (55°F)130 mm (5.1 inches)75%high
November Weather6°C (42°F)32 mm (1.3 inches)82%moderate
December Weather1°C (34°F)31 mm (1.2 inches)83%moderate

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