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September Weather in Tecumseh, United States

Last updated: June 24, 2025

In Tecumseh, United States, the average temperature in September hovers around 24°C (76°F). Visitors can expect a comfortable range, with minimums dipping to 8°C (48°F) and highs soaring up to 38°C (100°F). During this month, rainfall is typically around 99 mm (3.9 in) spread across 6 days, contributing to an average humidity level of 64%. Whether you're soaking up the sun or enjoying a refreshing drizzle, Tecumseh in September has something for everyone!

September Temperature in Tecumseh

In September in Tecumseh, the average temperature is a pleasant 24°C (76°F). The maximum can reach a scorching 38°C (100°F), while the minimum can drop to a chilly 8°C (48°F). Travelers should be prepared for a wide range of temperatures during this time.

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 24°C (76°F), with highs reaching up to 38°C (100°F) and lows dropping to around 8°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec404254607079838176635145
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 99 mm (3.9 in) spread over a duration of 6 days.

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 99 mm (3.9 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec545990159150886963991203736
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 64%. With an average temperature of 24°C (76°F), this humidity feels like a warm, sticky embrace, making travel slightly uncomfortable but still enjoyable, as you may find yourself yearning for a refreshing breeze or a quick dip in the water.

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 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%75%75%83%82%78%68%64%71%82%87%
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 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 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111109754
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 Weather5°C (41°F)54 mm (2.1 inches)79%moderate
February Weather6°C (42°F)59 mm (2.3 inches)78%high
March Weather12°C (55°F)90 mm (3.5 inches)75%very high
April Weather15°C (60°F)159 mm (6.3 inches)75%very high
May Weather21°C (70°F)149 mm (5.9 inches)83%very high
June Weather26°C (79°F)88 mm (3.5 inches)81%extreme
July Weather28°C (83°F)69 mm (2.7 inches)78%extreme
August Weather27°C (81°F)63 mm (2.5 inches)68%very high
September Weather24°C (76°F)99 mm (3.9 inches)64%very high
October Weather17°C (63°F)120 mm (4.7 inches)71%high
November Weather11°C (51°F)37 mm (1.5 inches)82%moderate
December Weather7°C (46°F)36 mm (1.4 inches)87%moderate

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