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September Weather in Selma, United States

Last updated: June 24, 2025

In September, the average temperature in Selma, United States is a mild 17°C (63°F). However, be prepared for temperature swings, as it can drop to a chilly 1°C (34°F) at times and reach a scorching 37°C (100°F) on warmer days. Expect some moisture in the air, with precipitation totaling 35 mm (1.4 in) over approximately 4 days. With an average humidity of 66%, you'll want to stay hydrated while enjoying the varied weather!

September Temperature in Selma

In September in Selma, the average temperature is 17°C (63°F). Maximums can reach 37°C (100°F), and minimums can be as low as 1°C (34°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack accordingly for both warm days and chilly nights.

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

The chart illustrates September temperature patterns in Selma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Selma, September typically has an average temperature of 17°C (63°F), with highs reaching up to 37°C (100°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec393943485563717063524437
Data source: Temperature data for Selma 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 Selma

In Selma in September, the precipitation amount is 35 mm (1.4 in) over a span of 4 days.

September Precipitation Trends in Selma

The chart displays monthly precipitation patterns in Selma, 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 Selma, September typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec1921951401086023253552125155
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Selma

In Selma in September, humidity is 66%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making travel refreshing yet slightly muggy, perfect for leisurely strolls or picturesque outdoor explorations, but travelers should be prepared for occasional discomfort as they navigate the vibrant sights.

September Average Humidity in Selma

This chart illustrates the average monthly humidity levels in Selma, 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 Selma is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%86%83%83%83%78%67%66%77%87%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Selma

In Selma in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Selma.

Maximum UV Index Levels in Selma for September

The chart shows the monthly maximum UV Index (UVI) for Selma 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 Selma typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468111110108642
Data source: Selma 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 Selma Compares to Other Months

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

This table compares monthly weather conditions in Selma, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)192 mm (7.6 inches)84%moderate
February Weather4°C (39°F)195 mm (7.7 inches)85%moderate
March Weather6°C (43°F)140 mm (5.5 inches)86%high
April Weather9°C (49°F)108 mm (4.3 inches)83%very high
May Weather13°C (56°F)60 mm (2.4 inches)83%extreme
June Weather17°C (63°F)23 mm (0.9 inches)83%extreme
July Weather22°C (71°F)2 mm (0.1 inches)78%very high
August Weather21°C (71°F)5 mm (0.2 inches)67%very high
September Weather17°C (63°F)35 mm (1.4 inches)66%very high
October Weather11°C (53°F)52 mm (2.0 inches)77%high
November Weather7°C (44°F)125 mm (4.9 inches)87%moderate
December Weather3°C (38°F)155 mm (6.1 inches)87%low

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