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September Weather in Calera, United States

Last updated: June 24, 2025

In September, the average temperature in Calera, United States hovers around 25°C (78°F). Expect a wide range, with minimums dipping to 11°C (52°F) and maximums soaring to 36°C (98°F). Precipitation during this month averages 91 mm (3.6 in) over 7 days, and with an average humidity of 65%, it’s a time to prepare for a mix of warmth and potential showers.

September Temperature in Calera

In September in Calera, the average temperature is 25°C (78°F). The maximum can reach 36°C (98°F) and the minimum can be as low as 11°C (52°F). This makes it an ideal time for travelers seeking warm weather while also providing cooler evenings for comfort.

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

The chart illustrates September temperature patterns in Calera, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calera, September typically has an average temperature of 25°C (78°F), with highs reaching up to 36°C (98°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec444658637280848377655449
Data source: Temperature data for Calera 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 Calera

In Calera in September, the precipitation amount is 91 mm (3.6 in) over a span of 7 days.

September Precipitation Trends in Calera

The chart displays monthly precipitation patterns in Calera, 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 Calera, September typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec65961181201481035797911605969
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Calera

In Calera in September, humidity is 65%. With an average temperature of 25°C (78°F), this humidity feels like a warm, enveloping shawl that makes traveling slightly more strenuous, requiring frequent breaks to stay refreshed and hydrated.

September Average Humidity in Calera

This chart illustrates the average monthly humidity levels in Calera, 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 Calera is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Calera

In Calera 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 Calera.

Maximum UV Index Levels in Calera for September

The chart shows the monthly maximum UV Index (UVI) for Calera 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 Calera typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101011111010864
Data source: Calera 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 Calera Compares to Other Months

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

This table compares monthly weather conditions in Calera, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)65 mm (2.5 inches)80%moderate
February Weather8°C (46°F)96 mm (3.8 inches)79%high
March Weather14°C (58°F)118 mm (4.6 inches)78%very high
April Weather17°C (63°F)120 mm (4.7 inches)78%very high
May Weather22°C (73°F)148 mm (5.8 inches)81%very high
June Weather27°C (80°F)103 mm (4.1 inches)78%extreme
July Weather29°C (84°F)57 mm (2.2 inches)73%extreme
August Weather28°C (83°F)97 mm (3.8 inches)66%very high
September Weather25°C (78°F)91 mm (3.6 inches)65%very high
October Weather19°C (66°F)160 mm (6.3 inches)72%very high
November Weather12°C (54°F)59 mm (2.3 inches)82%high
December Weather9°C (49°F)69 mm (2.7 inches)87%moderate

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