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September Weather in Stratford, United States

Last updated: June 24, 2025

The average temperature in Stratford, United States during September is a pleasant 20°C (68°F). Temperatures can range from a cool 8°C (47°F) to a warm 33°C (91°F), making it a month of diverse weather. Expect about 105 mm (4.1 in) of precipitation spread over 10 days, contributing to an average humidity of 68%. Whether you're looking to enjoy sunny days or embrace cooler evenings, Stratford offers a dynamic climate this month!

September Temperature in Stratford

In September in Stratford, the average temperature is 20°C (68°F). Maximums can reach 33°C (91°F), while minimums can drop as low as 8°C (47°F). This mild climate makes Stratford an ideal destination for travelers seeking comfortable weather and the opportunity to explore the outdoors.

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

The chart illustrates September temperature patterns in Stratford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stratford, September typically has an average temperature of 20°C (68°F), with highs reaching up to 33°C (91°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec323539495969757468594537
Data source: Temperature data for Stratford 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 Stratford

In Stratford in September, the precipitation amount is 105 mm (4.1 in) over the course of 10 days.

September Precipitation Trends in Stratford

The chart displays monthly precipitation patterns in Stratford, 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 Stratford, September typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec771149913511995132102105152101135
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Stratford

In Stratford in September humidity is 68%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls while also prompting travelers to stay hydrated and seek out refreshing breaks from the heat.

September Average Humidity in Stratford

This chart illustrates the average monthly humidity levels in Stratford, 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 Stratford is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Stratford

In Stratford 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 Stratford.

Maximum UV Index Levels in Stratford for September

The chart shows the monthly maximum UV Index (UVI) for Stratford 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 Stratford typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35681010998642
Data source: Stratford 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 Stratford Compares to Other Months

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

This table compares monthly weather conditions in Stratford, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)77 mm (3.0 inches)84%moderate
February Weather1°C (35°F)114 mm (4.5 inches)82%moderate
March Weather4°C (40°F)99 mm (3.9 inches)81%high
April Weather9°C (49°F)135 mm (5.3 inches)78%very high
May Weather15°C (59°F)119 mm (4.7 inches)69%very high
June Weather20°C (69°F)95 mm (3.7 inches)69%very high
July Weather24°C (76°F)132 mm (5.2 inches)62%very high
August Weather23°C (74°F)102 mm (4.0 inches)65%very high
September Weather20°C (68°F)105 mm (4.1 inches)68%very high
October Weather15°C (59°F)152 mm (6.0 inches)74%high
November Weather7°C (46°F)100 mm (4.0 inches)82%moderate
December Weather3°C (37°F)135 mm (5.3 inches)80%low

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