September Weather in Nicollet, United States

Last updated: June 24, 2025

In September, the average temperature in Nicollet, United States hovers around 18°C (65°F). Expect a range from a chilly 2°C (36°F) to a warm 33°C (92°F). During this month, precipitation averages at 136 mm (5.4 in) spread over 11 days, with an average humidity level of 81%.

September Temperature in Nicollet

In September, in Nicollet, the average temperature is 18°C (65°F). The maximum can reach 33°C (92°F), while the minimum can be as low as 2°C (36°F). This temperature range makes Nicollet an ideal destination for travelers seeking both warm days and cool nights.

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

The chart illustrates September temperature patterns in Nicollet, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nicollet, September typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (92°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec171633446072747165493424
Data source: Temperature data for Nicollet 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 Nicollet

In Nicollet in September, the total precipitation amount reaches 136 mm (5.4 in) over the course of 11 days.

September Precipitation Trends in Nicollet

The chart displays monthly precipitation patterns in Nicollet, 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 Nicollet, September typically receives around 136 mm (5.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec31326687130106124121136943242
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Nicollet

In Nicollet in September, humidity is 81%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and the air thick and sultry—a challenging environment for traveling.

September Average Humidity in Nicollet

This chart illustrates the average monthly humidity levels in Nicollet, 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 Nicollet is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%90%85%84%78%80%81%81%81%84%88%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Nicollet

In Nicollet 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 Nicollet.

Maximum UV Index Levels in Nicollet for September

The chart shows the monthly maximum UV Index (UVI) for Nicollet 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 Nicollet typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35589101098532
Data source: Nicollet 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 Nicollet Compares to Other Months

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

This table compares monthly weather conditions in Nicollet, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)31 mm (1.2 inches)87%moderate
February Weather-9°C (16°F)32 mm (1.3 inches)90%moderate
March Weather1°C (34°F)66 mm (2.6 inches)85%moderate
April Weather7°C (44°F)87 mm (3.4 inches)84%very high
May Weather15°C (60°F)130 mm (5.1 inches)78%very high
June Weather22°C (72°F)106 mm (4.2 inches)80%very high
July Weather24°C (75°F)124 mm (4.9 inches)81%very high
August Weather22°C (71°F)121 mm (4.8 inches)81%very high
September Weather18°C (65°F)136 mm (5.4 inches)81%very high
October Weather9°C (49°F)94 mm (3.7 inches)84%moderate
November Weather1°C (35°F)32 mm (1.3 inches)88%moderate
December Weather-4°C (25°F)42 mm (1.6 inches)84%low

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