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September Weather in Stafford, United States

Last updated: June 24, 2025

In Stafford, United States, the average temperature in September hovers around 22°C (73°F), with a minimum of 6°C (44°F) and soaring up to a maximum of 37°C (99°F). Be prepared for some rain, as the region typically receives 92 mm (3.6 in) of precipitation over about 10 days. With an average humidity of 68%, it's a month where you might want to embrace both the warmth and the occasional shower!

September Temperature in Stafford

In September in Stafford, the average temperature is 22°C (73°F). The maximum can reach 37°C (99°F), while the minimum can drop as low as 6°C (44°F). Pack accordingly to enjoy the diverse weather conditions during your travels!

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

The chart illustrates September temperature patterns in Stafford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stafford, September typically has an average temperature of 22°C (73°F), with highs reaching up to 37°C (99°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec384248586775817872634842
Data source: Temperature data for Stafford 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 Stafford

In Stafford in September, the total precipitation amount is 92 mm (3.6 in), which falls over the course of 10 days.

September Precipitation Trends in Stafford

The chart displays monthly precipitation patterns in Stafford, 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 Stafford, September typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec60927710211710797147921098288
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Stafford

In Stafford in September humidity is 68%. With an average temperature of 22°C (73°F), this humidity feels like a warm embrace that can make outdoor activities a bit sticky, so staying hydrated is essential while exploring the sights.

September Average Humidity in Stafford

This chart illustrates the average monthly humidity levels in Stafford, 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 Stafford is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Stafford

In Stafford 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 Stafford.

Maximum UV Index Levels in Stafford for September

The chart shows the monthly maximum UV Index (UVI) for Stafford 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 Stafford typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098753
Data source: Stafford 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 Stafford Compares to Other Months

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

This table compares monthly weather conditions in Stafford, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)60 mm (2.4 inches)86%moderate
February Weather6°C (42°F)92 mm (3.6 inches)86%moderate
March Weather9°C (48°F)77 mm (3.0 inches)86%high
April Weather14°C (58°F)102 mm (4.0 inches)84%very high
May Weather19°C (67°F)117 mm (4.6 inches)78%very high
June Weather24°C (76°F)107 mm (4.2 inches)79%very high
July Weather27°C (81°F)97 mm (3.8 inches)70%very high
August Weather25°C (78°F)147 mm (5.8 inches)59%very high
September Weather22°C (73°F)92 mm (3.6 inches)68%very high
October Weather17°C (63°F)109 mm (4.3 inches)80%high
November Weather9°C (48°F)82 mm (3.2 inches)86%moderate
December Weather5°C (42°F)88 mm (3.5 inches)85%moderate

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