September Weather in Blairs, United States

Last updated: June 24, 2025

In Blairs, United States, the average temperature in September is a pleasant 23°C (73°F). However, temperatures can vary significantly, with a minimum of 7°C (45°F) and a maximum soaring to 38°C (100°F). Visitors should be prepared for some wet days, as the area experiences an average precipitation of 108 mm (4.3 in) over roughly 10 days. Additionally, the average humidity hovers around 75%, adding to the region's unique climate.

September Temperature in Blairs

In September in Blairs, the average temperature is 23°C (73°F). Maximums can reach 38°C (100°F), and minimums can be as low as 7°C (45°F). This variation makes it essential for travelers to pack both lightweight clothing for the warm days and warmer layers for the cooler nights.

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

The chart illustrates September temperature patterns in Blairs, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blairs, September typically has an average temperature of 23°C (73°F), with highs reaching up to 38°C (100°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec414651606975807873634944
Data source: Temperature data for Blairs 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 Blairs

In Blairs in September, the total precipitation amount is 108 mm (4.3 in) spread over a duration of 10 days.

September Precipitation Trends in Blairs

The chart displays monthly precipitation patterns in Blairs, 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 Blairs, September typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec7511172123117937311210810978100
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Blairs

In Blairs in September, humidity is 75%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, making travel slightly uncomfortable yet invigorating as the air wraps around you, creating a sense of walking through a lush, tropical paradise.

September Average Humidity in Blairs

This chart illustrates the average monthly humidity levels in Blairs, 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 Blairs is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%84%82%83%83%79%77%75%81%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Blairs

In Blairs 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 Blairs.

Maximum UV Index Levels in Blairs for September

The chart shows the monthly maximum UV Index (UVI) for Blairs 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 Blairs typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3679111110109853
Data source: Blairs 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 Blairs Compares to Other Months

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

This table compares monthly weather conditions in Blairs, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)75 mm (3.0 inches)84%moderate
February Weather8°C (46°F)110 mm (4.3 inches)84%high
March Weather10°C (51°F)72 mm (2.8 inches)84%high
April Weather16°C (60°F)123 mm (4.9 inches)82%very high
May Weather20°C (69°F)117 mm (4.6 inches)82%extreme
June Weather24°C (76°F)93 mm (3.7 inches)83%extreme
July Weather27°C (81°F)73 mm (2.9 inches)79%very high
August Weather26°C (78°F)112 mm (4.4 inches)77%very high
September Weather23°C (73°F)108 mm (4.3 inches)75%very high
October Weather17°C (64°F)109 mm (4.3 inches)81%very high
November Weather9°C (49°F)78 mm (3.1 inches)87%moderate
December Weather7°C (44°F)100 mm (3.9 inches)85%moderate

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