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September Weather in Palmyra, United States

Last updated: June 24, 2025

In September, the average temperature in Palmyra, United States is a pleasant 22°C (71°F). Expect temperature fluctuations, with a minimum of 6°C (44°F) and a maximum of 35°C (95°F). During this month, you can anticipate 77 mm (3.0 in) of precipitation over approximately 7 days, accompanied by an average humidity of 76%. Prepare accordingly for a blend of warmth and occasional rain!

September Temperature in Palmyra

In September in Palmyra, the average temperature is 22°C (71°F). The maximum can reach 35°C (95°F), while the minimum can drop as low as 6°C (44°F). This makes it an ideal destination for travelers seeking a warm climate with comfortable temperatures during the day and cooler evenings.

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

The chart illustrates September temperature patterns in Palmyra, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Palmyra, September typically has an average temperature of 22°C (71°F), with highs reaching up to 35°C (95°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec293245536676797571574336
Data source: Temperature data for Palmyra 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 Palmyra

In Palmyra in September, the precipitation amount is 77 mm (3.0 in) over the course of 7 days.

September Precipitation Trends in Palmyra

The chart displays monthly precipitation patterns in Palmyra, 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 Palmyra, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec64611201021641168998771085943
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Palmyra

In Palmyra in September, humidity is 76%. With an average temperature of 22°C (71°F), this humidity feels like traveling through a warm, dense mist that clings to your skin, making every step feel heavier and the air seem thicker, which can be quite draining for outdoor activities.

September Average Humidity in Palmyra

This chart illustrates the average monthly humidity levels in Palmyra, 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 Palmyra is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Palmyra

In Palmyra 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 Palmyra.

Maximum UV Index Levels in Palmyra for September

The chart shows the monthly maximum UV Index (UVI) for Palmyra 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 Palmyra typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109643
Data source: Palmyra 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 Palmyra Compares to Other Months

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

This table compares monthly weather conditions in Palmyra, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)64 mm (2.5 inches)82%moderate
February Weather0°C (32°F)61 mm (2.4 inches)80%moderate
March Weather7°C (45°F)120 mm (4.7 inches)80%high
April Weather12°C (53°F)102 mm (4.0 inches)80%very high
May Weather19°C (66°F)164 mm (6.4 inches)82%very high
June Weather24°C (76°F)116 mm (4.6 inches)83%extreme
July Weather26°C (79°F)89 mm (3.5 inches)81%very high
August Weather24°C (76°F)98 mm (3.9 inches)80%very high
September Weather22°C (71°F)77 mm (3.0 inches)76%very high
October Weather14°C (57°F)108 mm (4.2 inches)76%high
November Weather6°C (43°F)59 mm (2.3 inches)85%moderate
December Weather2°C (37°F)43 mm (1.7 inches)86%moderate

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