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September Weather in Dawson, United States

Last updated: June 24, 2025

In September, the average temperature in Dawson, United States is a pleasant 27°C (80°F). However, temperatures can vary significantly, ranging from a minimum of 11°C (51°F) to a scorching maximum of 39°C (102°F). Expect some rain, with an average precipitation of 85 mm (3.3 in) spread over 8 days. Additionally, the air tends to be humid, boasting an average humidity level of 69%.

September Temperature in Dawson

In September in Dawson, the average temperature is 27°C (80°F). Maximum temperatures can reach 39°C (102°F), while minimum temperatures can drop to as low as 11°C (51°F). Travelers should be prepared for warm days with occasional cool evenings.

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

The chart illustrates September temperature patterns in Dawson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dawson, September typically has an average temperature of 27°C (80°F), with highs reaching up to 39°C (102°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec495162667582858680695853
Data source: Temperature data for Dawson 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 Dawson

In Dawson in September, the precipitation amount is 85 mm (3.3 in) over the course of 8 days.

September Precipitation Trends in Dawson

The chart displays monthly precipitation patterns in Dawson, 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 Dawson, September typically receives around 85 mm (3.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec689989112178827297851285669
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dawson

In Dawson in September, humidity is 69%. With an average temperature of 27°C (80°F), this humidity feels like a warm embrace that can leave you feeling sticky and lethargic, making it essential to stay hydrated and take frequent breaks while exploring.

September Average Humidity in Dawson

This chart illustrates the average monthly humidity levels in Dawson, 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 Dawson is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%80%78%79%81%77%71%67%69%73%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dawson

In Dawson 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 Dawson.

Maximum UV Index Levels in Dawson for September

The chart shows the monthly maximum UV Index (UVI) for Dawson 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 Dawson typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478111112111110864
Data source: Dawson 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 Dawson Compares to Other Months

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

This table compares monthly weather conditions in Dawson, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)68 mm (2.7 inches)79%moderate
February Weather10°C (51°F)99 mm (3.9 inches)80%high
March Weather16°C (62°F)89 mm (3.5 inches)78%very high
April Weather19°C (66°F)112 mm (4.4 inches)79%extreme
May Weather24°C (75°F)178 mm (7.0 inches)81%extreme
June Weather28°C (82°F)82 mm (3.2 inches)77%extreme
July Weather30°C (86°F)72 mm (2.8 inches)71%extreme
August Weather30°C (86°F)97 mm (3.8 inches)67%extreme
September Weather27°C (80°F)85 mm (3.3 inches)69%very high
October Weather21°C (70°F)128 mm (5.0 inches)73%very high
November Weather14°C (58°F)56 mm (2.2 inches)82%high
December Weather12°C (53°F)69 mm (2.7 inches)87%moderate

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