September Weather in Primghar, United States

Last updated: June 24, 2025

In Primghar, United States, the average temperature in September hovers around 19°C (66°F), making it a comfortable time to explore. However, be prepared for a range of temperatures, with minimums dipping to 3°C (38°F) and maximums soaring to 33°C (92°F). During this month, expect approximately 106 mm (4.2 in) of precipitation over about 9 days, contributing to an average humidity of 75%. Be sure to pack accordingly!

September Temperature in Primghar

In September in Primghar, the average temperature is 19°C (66°F). Maximum temperatures can reach 33°C (92°F), while minimums can dip as low as 3°C (38°F). This variety in weather makes Primghar an ideal destination for travelers seeking both warm and cool experiences.

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

The chart illustrates September temperature patterns in Primghar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Primghar, September typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (92°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec202036455973757266493527
Data source: Temperature data for Primghar 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 Primghar

In Primghar in September, the total precipitation amount is 106 mm (4.2 in), spread over the course of 9 days.

September Precipitation Trends in Primghar

The chart displays monthly precipitation patterns in Primghar, 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 Primghar, September typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec2734719814112368103106823039
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Primghar

In Primghar in September humidity is 75%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it slightly uncomfortable for traveling as you navigate through the thick, muggy air.

September Average Humidity in Primghar

This chart illustrates the average monthly humidity levels in Primghar, 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 Primghar is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%84%75%79%74%81%82%80%75%77%85%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Primghar

In Primghar in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Primghar.

Maximum UV Index Levels in Primghar for September

The chart shows the monthly maximum UV Index (UVI) for Primghar 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 Primghar typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35589111098533
Data source: Primghar 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 Primghar Compares to Other Months

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

This table compares monthly weather conditions in Primghar, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)27 mm (1.1 inches)80%moderate
February Weather-7°C (20°F)34 mm (1.3 inches)84%moderate
March Weather2°C (36°F)71 mm (2.8 inches)75%moderate
April Weather7°C (46°F)98 mm (3.8 inches)79%very high
May Weather15°C (60°F)141 mm (5.6 inches)74%very high
June Weather23°C (73°F)123 mm (4.9 inches)81%extreme
July Weather24°C (75°F)67 mm (2.7 inches)82%very high
August Weather22°C (72°F)103 mm (4.0 inches)80%very high
September Weather19°C (66°F)106 mm (4.2 inches)75%very high
October Weather9°C (49°F)82 mm (3.2 inches)77%moderate
November Weather2°C (36°F)30 mm (1.2 inches)85%moderate
December Weather-3°C (27°F)39 mm (1.5 inches)83%moderate

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