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September Weather in Two Rivers, United States

Last updated: June 24, 2025

In September, the average temperature in Two Rivers, United States hovers around 8°C (47°F). However, be prepared for temperature swings, with a minimum of -9°C (17°F) and a maximum of 23°C (73°F). Expect 46 mm (1.8 in) of precipitation spread over 11 days, contributing to an average humidity level of 90%. Stay cozy and dry!

September Temperature in Two Rivers

In September in Two Rivers, the average temperature is 8°C (47°F), with maximums reaching up to 23°C (73°F) and minimums dropping as low as -9°C (17°F), making it essential for travelers to pack for a variety of weather conditions.

September Weather in Two Rivers: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Two Rivers, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Two Rivers, September typically has an average temperature of 8°C (47°F), with highs reaching up to 23°C (73°F) and lows dropping to around -9°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec-321332516164574732105
Data source: Temperature data for Two Rivers 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 Two Rivers

In Two Rivers in September, the precipitation amount is 46 mm (1.8 in) over the course of 11 days.

September Precipitation Trends in Two Rivers

The chart displays monthly precipitation patterns in Two Rivers, 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 Two Rivers, September typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1428232329736011946423336
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Two Rivers

In Two Rivers in September, humidity is 90%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill enveloping you, making even short walks outside feel uncomfortable and heavy, as if the air is thick with moisture.

September Average Humidity in Two Rivers

This chart illustrates the average monthly humidity levels in Two Rivers, 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 Two Rivers is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec96%93%89%86%79%80%85%88%90%98%100%98%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Two Rivers

In Two Rivers in September, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Two Rivers, you can check the information here.

Maximum UV Index Levels in Two Rivers for September

The chart shows the monthly maximum UV Index (UVI) for Two Rivers 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 Two Rivers typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112355553211
Data source: Two Rivers 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 Two Rivers Compares to Other Months

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

This table compares monthly weather conditions in Two Rivers, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-19°C (-2°F)14 mm (0.6 inches)96%low
February Weather-17°C (2°F)28 mm (1.1 inches)93%low
March Weather-10°C (14°F)23 mm (0.9 inches)89%low
April Weather0°C (32°F)22 mm (0.9 inches)86%moderate
May Weather10°C (51°F)29 mm (1.2 inches)79%moderate
June Weather16°C (61°F)73 mm (2.9 inches)80%moderate
July Weather18°C (64°F)60 mm (2.4 inches)85%moderate
August Weather14°C (57°F)119 mm (4.7 inches)88%moderate
September Weather8°C (47°F)46 mm (1.8 inches)90%moderate
October Weather0°C (32°F)42 mm (1.6 inches)97%low
November Weather-12°C (10°F)33 mm (1.3 inches)100%low
December Weather-15°C (5°F)36 mm (1.4 inches)98%low

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