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September Weather in Lakeside City, United States

Last updated: June 24, 2025

In September, the average temperature in Lakeside City, United States is a comfortable 26°C (79°F). Prepare for a temperature range that can dip to a cool 9°C (48°F) and soar up to a sizzling 40°C (105°F). Expect about 95 mm (3.7 in) of precipitation over 7 days, accompanied by an average humidity of 64%.

September Temperature in Lakeside City

In September in Lakeside City, the average temperature is 26°C (79°F), with maximums reaching up to 40°C (105°F) and minimums dipping as low as 9°C (48°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack both light clothing for the heat and layers for cooler nights.

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

The chart illustrates September temperature patterns in Lakeside City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lakeside City, September typically has an average temperature of 26°C (79°F), with highs reaching up to 40°C (105°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec444659647483878679665449
Data source: Temperature data for Lakeside 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 Lakeside City

In Lakeside City in September, the precipitation amount is 95 mm (3.7 in) over the course of 7 days.

September Precipitation Trends in Lakeside City

The chart displays monthly precipitation patterns in Lakeside 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 Lakeside City, September typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec4148716910851205795863844
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lakeside City

In Lakeside City in September, humidity is 64%. With an average temperature of 26°C (79°F), this humidity feels like a warm embrace, making travel slightly uncomfortable as the air clings to your skin and the heat amplifies.

September Average Humidity in Lakeside City

This chart illustrates the average monthly humidity levels in Lakeside 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 Lakeside City is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%74%75%80%80%75%67%64%70%82%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lakeside City

In Lakeside 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 Lakeside City.

Maximum UV Index Levels in Lakeside City for September

The chart shows the monthly maximum UV Index (UVI) for Lakeside 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 Lakeside City typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110854
Data source: Lakeside 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 Lakeside City Compares to Other Months

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

This table compares monthly weather conditions in Lakeside City, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)41 mm (1.6 inches)77%moderate
February Weather8°C (46°F)48 mm (1.9 inches)76%high
March Weather15°C (59°F)70 mm (2.8 inches)74%very high
April Weather18°C (65°F)69 mm (2.7 inches)75%very high
May Weather23°C (75°F)108 mm (4.3 inches)80%extreme
June Weather28°C (83°F)51 mm (2.0 inches)80%extreme
July Weather31°C (88°F)20 mm (0.8 inches)75%extreme
August Weather30°C (86°F)57 mm (2.2 inches)67%extreme
September Weather26°C (79°F)95 mm (3.7 inches)64%very high
October Weather19°C (66°F)85 mm (3.4 inches)70%very high
November Weather12°C (55°F)38 mm (1.5 inches)82%moderate
December Weather9°C (49°F)44 mm (1.7 inches)85%moderate

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