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September Weather in Jay, United States

Last updated: June 24, 2025

In September, the average temperature in Jay, United States is a warm 26°C (78°F). Expect a range that can dip to a cool 12°C (54°F) and soar up to a scorching 38°C (101°F). During this time, 143 mm (5.6 in) of precipitation falls over 13 days, contributing to an average humidity level of 79%.

September Temperature in Jay

In September in Jay, the average temperature is 26°C (78°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 12°C (54°F). This mild to warm climate makes Jay an ideal destination for travelers seeking a pleasant getaway during this time of year.

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

The chart illustrates September temperature patterns in Jay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jay, September typically has an average temperature of 26°C (78°F), with highs reaching up to 38°C (101°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec525862677579818178715855
Data source: Temperature data for Jay 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 Jay

In Jay in September, the precipitation amount is 143 mm (5.6 in) over a span of 13 days.

September Precipitation Trends in Jay

The chart displays monthly precipitation patterns in Jay, 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 Jay, September typically receives around 143 mm (5.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec91121921191241911491661439960142
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Jay

In Jay in September, humidity is 79%. With an average temperature of 26°C (78°F), this humidity feels like a tropical blanket enveloping you, making outdoor activities less comfortable for traveling.

September Average Humidity in Jay

This chart illustrates the average monthly humidity levels in Jay, 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 Jay is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%79%77%74%70%78%78%79%74%83%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Jay

In Jay 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 Jay.

Maximum UV Index Levels in Jay for September

The chart shows the monthly maximum UV Index (UVI) for Jay 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 Jay typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111111121110864
Data source: Jay 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 Jay Compares to Other Months

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

This table compares monthly weather conditions in Jay, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)91 mm (3.6 inches)83%moderate
February Weather14°C (58°F)121 mm (4.8 inches)82%very high
March Weather17°C (63°F)92 mm (3.6 inches)79%very high
April Weather19°C (67°F)119 mm (4.7 inches)77%extreme
May Weather24°C (75°F)124 mm (4.9 inches)74%extreme
June Weather26°C (80°F)191 mm (7.5 inches)70%extreme
July Weather27°C (81°F)149 mm (5.9 inches)78%extreme
August Weather27°C (81°F)166 mm (6.5 inches)78%extreme
September Weather26°C (78°F)143 mm (5.6 inches)79%very high
October Weather22°C (72°F)99 mm (3.9 inches)74%very high
November Weather15°C (58°F)60 mm (2.4 inches)83%high
December Weather13°C (55°F)142 mm (5.6 inches)86%moderate

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