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September Weather in Parsons, United States

Last updated: June 24, 2025

In September, the average temperature in Parsons, United States hovers around 24°C (75°F). Be prepared for a wide range of temperatures, as it can dip to a chilly 10°C (49°F) and soar up to a sweltering 38°C (101°F). Expect some rain too, with an average precipitation of 109 mm (4.3 in) spread over 8 days. With an average humidity of 70%, you'll feel the warmth in the air!

September Temperature in Parsons

In September in Parsons, the average temperature is 24°C (75°F). Maximums can reach 38°C (101°F) and minimums can be as low as 10°C (49°F). This variation in temperature makes it essential for travelers to pack accordingly, ensuring comfort from the heat during the day and cooler temperatures at night.

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

The chart illustrates September temperature patterns in Parsons, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Parsons, September typically has an average temperature of 24°C (75°F), with highs reaching up to 38°C (101°F) and lows dropping to around 10°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec414554607077817975634946
Data source: Temperature data for Parsons 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 Parsons

In Parsons in September, the total precipitation amount is 109 mm (4.3 in) spread over 8 days.

September Precipitation Trends in Parsons

The chart displays monthly precipitation patterns in Parsons, 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 Parsons, September typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec10618016917212011412410910912885142
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Parsons

In Parsons in September, humidity is 70%. With an average temperature of 24°C (75°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities a bit sluggish and sticky, ideal for leisurely strolls but requiring plenty of hydration.

September Average Humidity in Parsons

This chart illustrates the average monthly humidity levels in Parsons, 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 Parsons is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%85%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Parsons

In Parsons 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 Parsons.

Maximum UV Index Levels in Parsons for September

The chart shows the monthly maximum UV Index (UVI) for Parsons 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 Parsons typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710111111109753
Data source: Parsons 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 Parsons Compares to Other Months

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

This table compares monthly weather conditions in Parsons, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)106 mm (4.2 inches)86%moderate
February Weather7°C (45°F)180 mm (7.1 inches)85%high
March Weather12°C (54°F)168 mm (6.6 inches)84%high
April Weather15°C (60°F)172 mm (6.8 inches)81%very high
May Weather21°C (71°F)120 mm (4.7 inches)83%extreme
June Weather25°C (78°F)114 mm (4.5 inches)83%extreme
July Weather27°C (81°F)124 mm (4.9 inches)80%extreme
August Weather26°C (79°F)109 mm (4.3 inches)73%very high
September Weather24°C (75°F)109 mm (4.3 inches)70%very high
October Weather17°C (64°F)128 mm (5.1 inches)73%high
November Weather9°C (49°F)85 mm (3.3 inches)85%moderate
December Weather8°C (46°F)142 mm (5.6 inches)88%moderate

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