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September Weather in Redgranite, United States

Last updated: August 27, 2025

In September, the average temperature in Redgranite, United States is a comfortable 18°C (64°F). However, temperatures can vary significantly, with lows dipping to 1°C (35°F) and highs soaring up to 33°C (91°F). Expect a moderate level of precipitation, averaging 87 mm (3.4 in) over 11 days, and a relatively high humidity level of 79%. Stay prepared for a mix of weather conditions!

September Temperature in Redgranite

In September in Redgranite, the average temperature is 18°C (64°F). Maximums can reach 33°C (91°F), and minimums can be as low as 1°C (35°F). Travelers should be prepared for a range of temperatures and pack accordingly for both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Redgranite, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Redgranite, September typically has an average temperature of 18°C (64°F), with highs reaching up to 33°C (91°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec202034445870747064503627
Data source: Temperature data for Redgranite 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 Redgranite

In Redgranite in September, the precipitation amount is 87 mm (3.4 in) over the course of 11 days.

September Precipitation Trends in Redgranite

The chart displays monthly precipitation patterns in Redgranite, 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 Redgranite, September typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec4350619710810712010787984750
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Redgranite

In Redgranite in September, humidity is 79%. With an average temperature of 18°C (64°F), this humidity feels like a warm, sticky embrace that can make outdoor activities more challenging but also creates a lush, vibrant atmosphere that's perfect for exploring local culture and scenery.

September Average Humidity in Redgranite

This chart illustrates the average monthly humidity levels in Redgranite, 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 Redgranite is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Redgranite

In Redgranite in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Redgranite.

Maximum UV Index Levels in Redgranite for September

The chart shows the monthly maximum UV Index (UVI) for Redgranite 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 Redgranite typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34589101097532
Data source: Redgranite 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 Redgranite Compares to Other Months

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

This table compares monthly weather conditions in Redgranite, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)43 mm (1.7 inches)85%moderate
February Weather-7°C (20°F)50 mm (2.0 inches)85%moderate
March Weather1°C (34°F)61 mm (2.4 inches)85%moderate
April Weather7°C (44°F)97 mm (3.8 inches)85%very high
May Weather15°C (59°F)108 mm (4.3 inches)78%very high
June Weather21°C (70°F)107 mm (4.2 inches)80%very high
July Weather23°C (74°F)120 mm (4.7 inches)78%very high
August Weather21°C (71°F)107 mm (4.2 inches)76%very high
September Weather18°C (64°F)87 mm (3.4 inches)79%high
October Weather10°C (51°F)98 mm (3.9 inches)83%moderate
November Weather2°C (36°F)47 mm (1.9 inches)88%moderate
December Weather-3°C (27°F)50 mm (2.0 inches)81%low

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