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September Weather in Carnegie, United States

Last updated: June 24, 2025

The average temperature in Carnegie, United States during September hovers around 24°C (76°F). However, you can expect a minimum of 8°C (46°F) and a blistering maximum of 38°C (100°F). This month also sees an average precipitation of 92 mm (3.6 in) spread over 7 days, with an average humidity level of 64%. Ready to enjoy the climate?

September Temperature in Carnegie

In September in Carnegie, the average temperature is 24°C (76°F). Maximums can reach 38°C (100°F) and minimums can drop to as low as 8°C (46°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates September temperature patterns in Carnegie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carnegie, 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 (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec394154607080848275625044
Data source: Temperature data for Carnegie 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 Carnegie

In Carnegie in September, the precipitation amount is 92 mm (3.6 in) over the course of 7 days.

September Precipitation Trends in Carnegie

The chart displays monthly precipitation patterns in Carnegie, 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 Carnegie, September typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec39356910114263374792872231
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Carnegie

In Carnegie 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 Carnegie

This chart illustrates the average monthly humidity levels in Carnegie, 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 Carnegie is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%70%72%82%82%80%72%64%71%81%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Carnegie

In Carnegie 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 Carnegie.

Maximum UV Index Levels in Carnegie for September

The chart shows the monthly maximum UV Index (UVI) for Carnegie 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 Carnegie typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111112119754
Data source: Carnegie 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 Carnegie Compares to Other Months

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

This table compares monthly weather conditions in Carnegie, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)39 mm (1.5 inches)76%moderate
February Weather5°C (41°F)35 mm (1.4 inches)76%high
March Weather12°C (54°F)69 mm (2.7 inches)70%very high
April Weather16°C (60°F)101 mm (4.0 inches)72%very high
May Weather21°C (70°F)142 mm (5.6 inches)82%extreme
June Weather26°C (80°F)63 mm (2.5 inches)82%extreme
July Weather29°C (84°F)37 mm (1.4 inches)80%extreme
August Weather28°C (82°F)47 mm (1.8 inches)72%extreme
September Weather24°C (76°F)92 mm (3.6 inches)64%very high
October Weather17°C (62°F)87 mm (3.4 inches)71%high
November Weather10°C (50°F)22 mm (0.9 inches)81%moderate
December Weather7°C (44°F)31 mm (1.2 inches)84%moderate

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