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September Weather in Sparks, United States

Last updated: June 24, 2025

In Sparks, United States, the average temperature in September is a warm 27°C (80°F), with minimums dipping to 13°C (56°F) and highs often reaching 38°C (101°F). Expect 118 mm (4.6 in) of precipitation spread over 11 days, accompanied by an average humidity level of 83%. Embrace the warmth while preparing for occasional showers!

September Temperature in Sparks

In September in Sparks, the average temperature is 27°C (80°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 13°C (56°F). Be prepared for warm days and cooler evenings, making it a great time for outdoor exploration and adventures.

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

The chart illustrates September temperature patterns in Sparks, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sparks, September typically has an average temperature of 27°C (80°F), with highs reaching up to 38°C (101°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec525963687681828280735955
Data source: Temperature data for Sparks 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 Sparks

In Sparks in September, the precipitation amount is 118 mm (4.6 in) over the course of 11 days.

September Precipitation Trends in Sparks

The chart displays monthly precipitation patterns in Sparks, 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 Sparks, September typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec751017087641191241081187048124
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sparks

In Sparks in September, humidity is 83%. With an average temperature of 27°C (80°F), this humidity feels like a warm, steamy embrace, making traveling a bit uncomfortable as the air clings to your skin and renders even the slightest exertion more exhausting.

September Average Humidity in Sparks

This chart illustrates the average monthly humidity levels in Sparks, 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 Sparks is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%80%76%73%74%80%79%83%77%84%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sparks

In Sparks 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 Sparks.

Maximum UV Index Levels in Sparks for September

The chart shows the monthly maximum UV Index (UVI) for Sparks 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 Sparks typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111111111110864
Data source: Sparks 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 Sparks Compares to Other Months

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

This table compares monthly weather conditions in Sparks, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (53°F)75 mm (3.0 inches)85%moderate
February Weather15°C (59°F)101 mm (4.0 inches)82%very high
March Weather17°C (63°F)70 mm (2.7 inches)80%very high
April Weather20°C (68°F)87 mm (3.4 inches)76%extreme
May Weather24°C (76°F)64 mm (2.5 inches)73%extreme
June Weather27°C (81°F)119 mm (4.7 inches)74%extreme
July Weather28°C (83°F)124 mm (4.9 inches)80%extreme
August Weather28°C (82°F)108 mm (4.3 inches)79%extreme
September Weather27°C (80°F)118 mm (4.6 inches)83%very high
October Weather23°C (73°F)70 mm (2.7 inches)77%very high
November Weather15°C (60°F)48 mm (1.9 inches)84%high
December Weather13°C (55°F)124 mm (4.9 inches)88%moderate

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