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September Weather in Post, United States

Last updated: June 24, 2025

In September, the average temperature in Post, United States hovers around 24°C (75°F), making it a pleasant time of year. Temperatures can vary widely, with minimums dropping to 6°C (43°F) and maximums soaring to 37°C (99°F). Expect a bit of drizzle, as precipitation averages 53 mm (2.1 in) spread over approximately 6 days. With an average humidity of 69%, the climate feels lush and vibrant.

September Temperature in Post

In September in Post, the average temperature is 24°C (75°F). Maximums can reach 37°C (99°F), and minimums can be as low as 6°C (43°F). This diverse range of temperatures makes Post an ideal destination for travelers who enjoy both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Post, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Post, September typically has an average temperature of 24°C (75°F), with highs reaching up to 37°C (99°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec424556637380828275635246
Data source: Temperature data for Post 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 Post

In Post in September, the precipitation amount is 53 mm (2.1 in) over a span of 6 days.

September Precipitation Trends in Post

The chart displays monthly precipitation patterns in Post, 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 Post, September typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec241541386946262853452215
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Post

In Post in September, humidity is 69%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making it both refreshing and somewhat muggy for traveling.

September Average Humidity in Post

This chart illustrates the average monthly humidity levels in Post, 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 Post is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%74%66%70%75%79%78%71%69%70%82%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Post

In Post in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Post.

Maximum UV Index Levels in Post for September

The chart shows the monthly maximum UV Index (UVI) for Post 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 Post typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111112121210864
Data source: Post 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 Post Compares to Other Months

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

This table compares monthly weather conditions in Post, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)23 mm (0.9 inches)75%moderate
February Weather7°C (45°F)15 mm (0.6 inches)74%high
March Weather13°C (56°F)41 mm (1.6 inches)66%very high
April Weather17°C (63°F)38 mm (1.5 inches)70%extreme
May Weather23°C (73°F)69 mm (2.7 inches)75%extreme
June Weather26°C (80°F)46 mm (1.8 inches)79%extreme
July Weather28°C (83°F)26 mm (1.0 inches)78%extreme
August Weather28°C (82°F)28 mm (1.1 inches)71%extreme
September Weather24°C (75°F)53 mm (2.1 inches)69%very high
October Weather17°C (63°F)45 mm (1.8 inches)70%very high
November Weather11°C (52°F)22 mm (0.9 inches)82%high
December Weather8°C (47°F)15 mm (0.6 inches)82%moderate

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