nomadseason

September Weather in Booker, United States

Last updated: June 24, 2025

In Booker, United States, the average temperature in September is a pleasant 23°C (73°F). However, be prepared for a temperature range that can dip to a chilly 4°C (39°F) and rise as high as a sweltering 39°C (103°F). During this month, expect precipitation of approximately 38 mm (1.5 in) over about 5 days, coupled with an average humidity of 79%. A perfect time to enjoy the variety of weather!

September Temperature in Booker

In September in Booker, the average temperature is 23°C (73°F). Maximums can reach 39°C (103°F), and minimums can be as low as 4°C (39°F). Travelers should be prepared for a wide range of temperatures during this time.

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

The chart illustrates September temperature patterns in Booker, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Booker, September typically has an average temperature of 23°C (73°F), with highs reaching up to 39°C (103°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec363649566677807873574739
Data source: Temperature data for Booker generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Booker

In Booker in September, the total precipitation amount is 38 mm (1.5 in) spread over a duration of 5 days.

September Precipitation Trends in Booker

The chart displays monthly precipitation patterns in Booker, 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 Booker, September typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec2112604910355445338621228
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Booker

In Booker in September humidity is 79%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace that clings to the skin, making travel feel both invigorating and slightly exhausting as the air wraps around you like a damp blanket.

September Average Humidity in Booker

This chart illustrates the average monthly humidity levels in Booker, 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 Booker is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%77%65%67%81%82%82%84%79%75%79%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Booker

In Booker 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 Booker.

Maximum UV Index Levels in Booker for September

The chart shows the monthly maximum UV Index (UVI) for Booker 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 Booker typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112111110753
Data source: Booker 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 Booker Compares to Other Months

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

This table compares monthly weather conditions in Booker, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)21 mm (0.8 inches)74%moderate
February Weather2°C (37°F)12 mm (0.5 inches)77%high
March Weather9°C (49°F)60 mm (2.4 inches)65%very high
April Weather13°C (56°F)49 mm (1.9 inches)67%very high
May Weather19°C (66°F)103 mm (4.1 inches)81%extreme
June Weather25°C (77°F)55 mm (2.2 inches)82%extreme
July Weather27°C (81°F)44 mm (1.7 inches)82%extreme
August Weather26°C (78°F)53 mm (2.1 inches)84%extreme
September Weather23°C (73°F)38 mm (1.5 inches)79%very high
October Weather14°C (58°F)62 mm (2.4 inches)75%high
November Weather8°C (47°F)12 mm (0.5 inches)79%moderate
December Weather4°C (40°F)28 mm (1.1 inches)83%moderate

Compare Booker's Climate with Cities Worldwide