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September Weather in Spencer, United States

Last updated: June 24, 2025

In September, the average temperature in Spencer, United States hovers around 21°C (71°F), with a minimum dipping to 7°C (44°F) and a maximum peaking at 34°C (93°F). Expect about 69 mm (2.7 in) of precipitation spread over 5 days, and humidity levels around 69% for a comfortable yet refreshing experience.

September Temperature in Spencer

In September in Spencer, the average temperature is 21°C (71°F), with maximums reaching up to 34°C (93°F) and minimums dipping as low as 7°C (44°F). This makes Spencer an ideal destination for travelers looking to enjoy mild to warm weather during this time of year.

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

The chart illustrates September temperature patterns in Spencer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Spencer, September typically has an average temperature of 21°C (71°F), with highs reaching up to 34°C (93°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec323545536574777571594337
Data source: Temperature data for Spencer 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 Spencer

In Spencer in September, the total precipitation amount is 69 mm (2.7 in) spread over a duration of 5 days.

September Precipitation Trends in Spencer

The chart displays monthly precipitation patterns in Spencer, 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 Spencer, September typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec921061321171391351121076910210599
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Spencer

In Spencer in September humidity is 69%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace, creating a tropical atmosphere that can make outdoor activities feel slightly sticky, yet invigorating for travelers who are ready to embrace the local culture and explore.

September Average Humidity in Spencer

This chart illustrates the average monthly humidity levels in Spencer, 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 Spencer is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Spencer

In Spencer 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 Spencer.

Maximum UV Index Levels in Spencer for September

The chart shows the monthly maximum UV Index (UVI) for Spencer 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 Spencer typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111098643
Data source: Spencer 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 Spencer Compares to Other Months

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

This table compares monthly weather conditions in Spencer, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)92 mm (3.6 inches)87%moderate
February Weather2°C (35°F)106 mm (4.2 inches)85%moderate
March Weather7°C (45°F)132 mm (5.2 inches)86%high
April Weather12°C (54°F)117 mm (4.6 inches)84%very high
May Weather19°C (66°F)139 mm (5.5 inches)79%very high
June Weather23°C (74°F)135 mm (5.3 inches)82%extreme
July Weather25°C (78°F)112 mm (4.4 inches)79%very high
August Weather24°C (75°F)107 mm (4.2 inches)70%very high
September Weather21°C (71°F)69 mm (2.7 inches)69%very high
October Weather15°C (59°F)102 mm (4.0 inches)76%high
November Weather6°C (43°F)105 mm (4.1 inches)88%moderate
December Weather3°C (38°F)99 mm (3.9 inches)87%moderate

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