nomadseason

September Weather in Blackduck, United States

Last updated: June 24, 2025

In September, the average temperature in Blackduck, United States hovers around 14°C (58°F). Expect a wide temperature range, with lows dipping to -2°C (29°F) and highs soaring to 30°C (86°F). Precipitation is not unusual, with around 109 mm (4.3 in) falling over 12 days, contributing to an average humidity level of 77%.

September Temperature in Blackduck

In September in Blackduck, the average temperature is 14°C (58°F). Maximum temperatures can reach 30°C (86°F), while the minimum can drop as low as -2°C (29°F). Travelers should be prepared for a wide range of weather conditions during this month.

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

The chart illustrates September temperature patterns in Blackduck, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blackduck, September typically has an average temperature of 14°C (58°F), with highs reaching up to 30°C (86°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec9927375466706658432616
Data source: Temperature data for Blackduck 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 Blackduck

In Blackduck in September, the total precipitation amount is 109 mm (4.3 in) during a span of 12 days.

September Precipitation Trends in Blackduck

The chart displays monthly precipitation patterns in Blackduck, 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 Blackduck, September typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec2325265953808670109933146
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Blackduck

In Blackduck in September, humidity is 77%. With an average temperature of 14°C (58°F), this humidity feels like a warm blanket wrapping around you, making traveling feel sticky and heavy, yet still manageable as you explore the sights.

September Average Humidity in Blackduck

This chart illustrates the average monthly humidity levels in Blackduck, 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 Blackduck is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%93%88%83%76%76%76%77%77%82%88%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Blackduck

In Blackduck 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 Blackduck.

Maximum UV Index Levels in Blackduck for September

The chart shows the monthly maximum UV Index (UVI) for Blackduck 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 Blackduck typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987432
Data source: Blackduck 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 Blackduck Compares to Other Months

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

This table compares monthly weather conditions in Blackduck, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-13°C (9°F)23 mm (0.9 inches)92%low
February Weather-13°C (9°F)25 mm (1.0 inches)93%moderate
March Weather-3°C (27°F)26 mm (1.0 inches)88%moderate
April Weather3°C (38°F)59 mm (2.3 inches)83%high
May Weather12°C (54°F)53 mm (2.1 inches)76%very high
June Weather19°C (66°F)80 mm (3.2 inches)76%very high
July Weather21°C (70°F)86 mm (3.4 inches)76%very high
August Weather19°C (67°F)70 mm (2.8 inches)77%very high
September Weather14°C (58°F)109 mm (4.3 inches)77%high
October Weather6°C (43°F)93 mm (3.7 inches)82%moderate
November Weather-3°C (26°F)31 mm (1.2 inches)87%moderate
December Weather-9°C (16°F)46 mm (1.8 inches)89%low

Compare Blackduck's Climate with Cities Worldwide