September Weather in Story, United States

Last updated: June 24, 2025

In September, the average temperature in Story, United States hovers around 11°C (51°F). Temperatures can range from a brisk -12°C (11°F) to a warm 30°C (86°F). Expect about 88 mm (3.4 in) of precipitation spread over 12 days, with humidity levels typically around 79%. Whether you’re preparing for chilly or warmer days, it’s wise to be ready for diverse weather!

September Temperature in Story

In September in Story, the average temperature is 11°C (51°F), with maximums reaching up to 30°C (86°F) and minimums dropping as low as -12°C (11°F). Be prepared for a wide range of temperatures if you plan to visit during this time.

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

The chart illustrates September temperature patterns in Story, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Story, September typically has an average temperature of 11°C (51°F), with highs reaching up to 30°C (86°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec211728324154615951352822
Data source: Temperature data for Story 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 Story

In Story, in September, the precipitation amount is 88 mm (3.4 in) over the course of 12 days.

September Precipitation Trends in Story

The chart displays monthly precipitation patterns in Story, 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 Story, September typically receives around 88 mm (3.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec366489122159154143112881015943
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Story

In Story in September, humidity is 79%. With an average temperature of 11°C (51°F), this humidity feels like a damp chill in the air, making it necessary to dress in layers while exploring the local sights, as the coolness combined with the high moisture can create an uncomfortable, sticky atmosphere for travelers.

September Average Humidity in Story

This chart illustrates the average monthly humidity levels in Story, 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 Story is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%79%71%70%75%82%84%85%79%75%75%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Story

In Story 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 Story.

Maximum UV Index Levels in Story for September

The chart shows the monthly maximum UV Index (UVI) for Story 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 Story typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710111211109642
Data source: Story 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 Story Compares to Other Months

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

This table compares monthly weather conditions in Story, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)36 mm (1.4 inches)78%moderate
February Weather-9°C (17°F)64 mm (2.5 inches)79%moderate
March Weather-2°C (28°F)89 mm (3.5 inches)71%high
April Weather0°C (32°F)122 mm (4.8 inches)70%very high
May Weather5°C (42°F)159 mm (6.3 inches)75%extreme
June Weather12°C (54°F)154 mm (6.1 inches)82%extreme
July Weather16°C (62°F)143 mm (5.6 inches)84%extreme
August Weather15°C (59°F)112 mm (4.4 inches)85%very high
September Weather11°C (51°F)88 mm (3.4 inches)79%very high
October Weather2°C (35°F)101 mm (4.0 inches)75%high
November Weather-2°C (28°F)59 mm (2.3 inches)75%moderate
December Weather-6°C (22°F)43 mm (1.7 inches)81%low

Compare Story's Climate with Cities Worldwide