nomadseason

September Weather in Devils Lake, United States

Last updated: June 24, 2025

In September, the average temperature in Devils Lake, United States hovers around 15°C (58°F). Temperatures can fluctuate dramatically, with a minimum of -1°C (30°F) and a maximum of 31°C (88°F). Expect 75 mm (2.9 in) of precipitation over approximately 7 days, coupled with an average humidity level of 72%. Stay prepared for a range of weather conditions!

September Temperature in Devils Lake

In September in Devils Lake, the average temperature is 15°C (58°F). Maximum temperatures can reach as high as 31°C (88°F), while the minimum can drop to a chilly -1°C (30°F). Be sure to pack layers to enjoy the diverse weather during your travels!

September Weather in Devils Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Devils Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Devils Lake, September typically has an average temperature of 15°C (58°F), with highs reaching up to 31°C (88°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec9725375467716758422616
Data source: Temperature data for Devils Lake 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 Devils Lake

In Devils Lake in September, the precipitation amount is 75 mm (2.9 in) over a span of 7 days.

September Precipitation Trends in Devils Lake

The chart displays monthly precipitation patterns in Devils Lake, 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 Devils Lake, September typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec151820294581666475682430
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Devils Lake

In Devils Lake in September, humidity is 72%. With an average temperature of 15°C (58°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities less comfortable and encouraging travelers to seek out shaded areas or cool indoor spaces.

September Average Humidity in Devils Lake

This chart illustrates the average monthly humidity levels in Devils Lake, 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 Devils Lake is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%89%82%79%74%78%76%77%72%74%85%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Devils Lake

In Devils Lake 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 Devils Lake.

Maximum UV Index Levels in Devils Lake for September

The chart shows the monthly maximum UV Index (UVI) for Devils Lake 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 Devils Lake typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245889987432
Data source: Devils Lake 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 Devils Lake Compares to Other Months

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

This table compares monthly weather conditions in Devils Lake, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-13°C (9°F)15 mm (0.6 inches)87%low
February Weather-14°C (7°F)17 mm (0.7 inches)89%moderate
March Weather-4°C (25°F)20 mm (0.8 inches)82%moderate
April Weather3°C (37°F)29 mm (1.2 inches)79%very high
May Weather12°C (54°F)45 mm (1.8 inches)74%very high
June Weather19°C (67°F)81 mm (3.2 inches)78%very high
July Weather21°C (71°F)66 mm (2.6 inches)76%very high
August Weather19°C (67°F)64 mm (2.5 inches)77%very high
September Weather15°C (58°F)75 mm (2.9 inches)72%high
October Weather6°C (42°F)68 mm (2.7 inches)74%moderate
November Weather-3°C (26°F)24 mm (0.9 inches)85%moderate
December Weather-9°C (16°F)30 mm (1.2 inches)84%low

Compare Devils Lake's Climate with Cities Worldwide