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September Weather in Frisco City, United States

Last updated: June 24, 2025

In September, the average temperature in Frisco City, United States hovers around 26°C (79°F). However, be prepared for a temperature range that can dip to a minimum of 13°C (55°F) and soar up to a sweltering 40°C (103°F). With 119 mm (4.7 in) of precipitation spread over 13 days, coupled with an average humidity level of 80%, this month presents a warm and humid climate perfect for those who enjoy tropical vibes!

September Temperature in Frisco City

In September in Frisco City, the average temperature is 26°C (79°F). The maximum can reach 40°C (103°F) and the minimum can be as low as 13°C (55°F). Be prepared for warm days and cool nights if you plan to travel during this time.

September Weather in Frisco City: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Frisco City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Frisco City, September typically has an average temperature of 26°C (79°F), with highs reaching up to 40°C (103°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec515762667580818179715754
Data source: Temperature data for Frisco City 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 Frisco City

In Frisco City in September, the precipitation amount is 119 mm (4.7 in) spread over 13 days.

September Precipitation Trends in Frisco City

The chart displays monthly precipitation patterns in Frisco City, 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 Frisco City, September typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec1091041111211041611301191199767139
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Frisco City

In Frisco City in September humidity is 80%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket, making outdoor activities feel sticky and exhausting, potentially dampening the travel experience and necessitating frequent breaks to cool down and hydrate.

September Average Humidity in Frisco City

This chart illustrates the average monthly humidity levels in Frisco City, 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 Frisco City is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%78%73%71%79%78%80%76%83%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Frisco City

In Frisco City in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Frisco City.

Maximum UV Index Levels in Frisco City for September

The chart shows the monthly maximum UV Index (UVI) for Frisco City 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 Frisco City typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec578111111111110864
Data source: Frisco City 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 Frisco City Compares to Other Months

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

This table compares monthly weather conditions in Frisco City, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)109 mm (4.3 inches)82%moderate
February Weather14°C (57°F)104 mm (4.1 inches)80%high
March Weather17°C (62°F)111 mm (4.4 inches)80%very high
April Weather19°C (67°F)121 mm (4.7 inches)78%extreme
May Weather24°C (75°F)104 mm (4.1 inches)73%extreme
June Weather26°C (80°F)161 mm (6.3 inches)71%extreme
July Weather27°C (81°F)130 mm (5.1 inches)79%extreme
August Weather27°C (81°F)119 mm (4.7 inches)78%extreme
September Weather26°C (79°F)119 mm (4.7 inches)80%very high
October Weather22°C (72°F)97 mm (3.8 inches)76%very high
November Weather14°C (58°F)67 mm (2.6 inches)83%high
December Weather12°C (54°F)139 mm (5.5 inches)87%moderate

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