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September Weather in Rockwell, United States

Last updated: June 24, 2025

In Rockwell, United States, the average temperature in September is a comfortable 24°C (76°F). During this time, you can expect minimum temperatures to dip to 10°C (50°F) and soar to a maximum of 37°C (100°F). Rainfall averages around 74 mm (2.9 in) spread over 7 days, while the average humidity sits at a moderate 59%. Enjoy the climate while exploring all that this vibrant destination has to offer!

September Temperature in Rockwell

In September in Rockwell, the average temperature is 24°C (76°F). The maximum can reach 37°C (100°F), while the minimum can drop to as low as 10°C (50°F). It’s advisable to pack both light clothing for the warm days and a jacket for cooler evenings when traveling.

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

The chart illustrates September temperature patterns in Rockwell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rockwell, September typically has an average temperature of 24°C (76°F), with highs reaching up to 37°C (100°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec434556617178818076645247
Data source: Temperature data for Rockwell 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 Rockwell

In Rockwell in September, the precipitation amount is 74 mm (2.9 in) over a period of 7 days.

September Precipitation Trends in Rockwell

The chart displays monthly precipitation patterns in Rockwell, 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 Rockwell, September typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec90153152165172117103115749175122
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rockwell

In Rockwell in September humidity is 59%. With an average temperature of 24°C (76°F), this humidity feels like a comfortable, refreshing embrace, making it ideal for leisurely strolls and outdoor explorations.

September Average Humidity in Rockwell

This chart illustrates the average monthly humidity levels in Rockwell, 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 Rockwell is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%77%78%82%81%75%61%59%69%82%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rockwell

In Rockwell 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 Rockwell.

Maximum UV Index Levels in Rockwell for September

The chart shows the monthly maximum UV Index (UVI) for Rockwell 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 Rockwell typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109754
Data source: Rockwell 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 Rockwell Compares to Other Months

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

This table compares monthly weather conditions in Rockwell, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)90 mm (3.5 inches)82%moderate
February Weather7°C (46°F)153 mm (6.0 inches)79%high
March Weather13°C (56°F)152 mm (6.0 inches)77%very high
April Weather16°C (61°F)165 mm (6.5 inches)78%very high
May Weather21°C (71°F)172 mm (6.8 inches)82%extreme
June Weather26°C (79°F)117 mm (4.6 inches)81%extreme
July Weather27°C (81°F)103 mm (4.1 inches)75%extreme
August Weather26°C (80°F)115 mm (4.5 inches)61%very high
September Weather24°C (76°F)74 mm (2.9 inches)59%very high
October Weather18°C (64°F)91 mm (3.6 inches)69%high
November Weather11°C (52°F)75 mm (3.0 inches)82%moderate
December Weather9°C (48°F)122 mm (4.8 inches)87%moderate

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