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September Weather in Dawson, United States

Last updated: June 24, 2025

In September, the average temperature in Dawson, United States hovers around 18°C (64°F). However, you can expect temperature variations with a minimum of 1°C (35°F) and a maximum of 34°C (93°F). This month also sees an average precipitation of 85 mm (3.4 in) over 9 days, contributing to a relatively high average humidity of 82%. Prepare accordingly!

September Temperature in Dawson

In September in Dawson, the average temperature is 18°C (64°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop as low as 1°C (35°F). Be prepared for a wide range of temperatures to make the most of your travels!

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 18°C (64°F), with highs reaching up to 34°C (93°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec151632425972747164483424
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 total precipitation amount is 85 mm (3.4 in) recorded over a span of 9 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 (3.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec2119526799819312186832637
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 82%. With an average temperature of 18°C (64°F), this humidity feels like a warm, muggy embrace that can make exploring the area feel stifling, leaving travelers drenched in sweat and longing for respite in the shade.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%89%81%82%76%81%82%83%82%82%87%84%
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 is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3557910997532
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 Weather-9°C (16°F)21 mm (0.8 inches)85%moderate
February Weather-9°C (16°F)19 mm (0.7 inches)89%moderate
March Weather0°C (32°F)52 mm (2.1 inches)81%moderate
April Weather6°C (43°F)67 mm (2.6 inches)82%high
May Weather15°C (59°F)99 mm (3.9 inches)76%very high
June Weather22°C (72°F)81 mm (3.2 inches)81%very high
July Weather24°C (75°F)93 mm (3.7 inches)82%very high
August Weather21°C (71°F)121 mm (4.8 inches)83%very high
September Weather18°C (64°F)85 mm (3.4 inches)82%high
October Weather9°C (48°F)83 mm (3.3 inches)82%moderate
November Weather1°C (34°F)26 mm (1.0 inches)87%moderate
December Weather-4°C (24°F)37 mm (1.5 inches)84%low

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