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September Weather in Glenwood, United States

Last updated: June 24, 2025

In Glenwood, United States, the average temperature in September hovers around 25°C (76°F), providing a pleasantly warm climate for visitors. However, temperatures can vary significantly, with a minimum of 10°C (50°F) and a maximum reaching up to 38°C (100°F). Expect some rain, as 79 mm (3.1 in) of precipitation is likely over about 8 days. The air is moderately humid, with an average humidity level of 59%.

September Temperature in Glenwood

In September in Glenwood, the average temperature is 25°C (76°F). Maximums can reach up to 38°C (100°F), while minimums can drop as low as 10°C (50°F). This diverse temperature range makes Glenwood an ideal destination for travelers seeking both warmth and cooler evening experiences.

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

The chart illustrates September temperature patterns in Glenwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Glenwood, September typically has an average temperature of 25°C (76°F), with highs reaching up to 38°C (100°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec434657617179818076645248
Data source: Temperature data for Glenwood 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 Glenwood

In Glenwood in September, the precipitation amount is 79 mm (3.1 in) during 8 days, indicating a relatively wet period for the area.

September Precipitation Trends in Glenwood

The chart displays monthly precipitation patterns in Glenwood, 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 Glenwood, September typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec97160158184177121103120799576126
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Glenwood

In Glenwood in September, humidity is 59%. With an average temperature of 25°C (76°F), this humidity feels like a warm, enveloping blanket, making it quite pleasant for traveling as long as you stay hydrated and take periodic breaks in the shade.

September Average Humidity in Glenwood

This chart illustrates the average monthly humidity levels in Glenwood, 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 Glenwood is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%77%78%82%81%75%61%59%69%82%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Glenwood

In Glenwood in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Glenwood.

Maximum UV Index Levels in Glenwood for September

The chart shows the monthly maximum UV Index (UVI) for Glenwood 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 Glenwood typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109854
Data source: Glenwood 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 Glenwood Compares to Other Months

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

This table compares monthly weather conditions in Glenwood, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)96 mm (3.8 inches)82%moderate
February Weather8°C (47°F)160 mm (6.3 inches)79%high
March Weather14°C (57°F)158 mm (6.2 inches)77%very high
April Weather16°C (62°F)184 mm (7.2 inches)78%very high
May Weather22°C (71°F)177 mm (7.0 inches)82%extreme
June Weather26°C (79°F)121 mm (4.8 inches)81%extreme
July Weather27°C (82°F)103 mm (4.1 inches)75%extreme
August Weather27°C (80°F)120 mm (4.7 inches)61%very high
September Weather25°C (76°F)79 mm (3.1 inches)59%very high
October Weather18°C (65°F)95 mm (3.7 inches)69%very high
November Weather11°C (52°F)76 mm (3.0 inches)82%moderate
December Weather9°C (48°F)126 mm (5.0 inches)87%moderate

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