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September Weather in Sun Lakes, United States

Last updated: June 24, 2025

In Sun Lakes, United States, the average temperature in September reaches a warm 31°C (88°F). During this time, you might experience cool evenings with a minimum temperature dipping to 12°C (54°F), while scorching days can soar up to 45°C (113°F). Expect some moisture, as precipitation averages around 24 mm (0.9 in) over just 2 days, contributing to an average humidity of 64%. Be prepared for both heat and a touch of rain!

September Temperature in Sun Lakes

In September in Sun Lakes, the average temperature is 31°C (88°F). Maximums can reach 45°C (113°F), and minimums can be as low as 12°C (54°F). Travelers should be prepared for hot days and cooler nights, making layering essential for comfort.

September Weather in Sun Lakes: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sun Lakes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sun Lakes, September typically has an average temperature of 31°C (88°F), with highs reaching up to 45°C (113°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec545764748192949488756555
Data source: Temperature data for Sun Lakes 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 Sun Lakes

In Sun Lakes in September, the total precipitation amount is 24 mm (0.9 in) over a period of 2 days.

September Precipitation Trends in Sun Lakes

The chart displays monthly precipitation patterns in Sun Lakes, 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 Sun Lakes, September typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec243623223373524211926
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sun Lakes

In Sun Lakes in September humidity is 64%. With an average temperature of 31°C (88°F), this humidity feels like a warm, enveloping blanket, making outdoor activities more challenging and creating a thirst for refreshing drinks as you navigate the sights.

September Average Humidity in Sun Lakes

This chart illustrates the average monthly humidity levels in Sun Lakes, 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 Sun Lakes is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%79%67%55%40%33%34%48%64%67%77%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sun Lakes

In Sun Lakes 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 Sun Lakes.

Maximum UV Index Levels in Sun Lakes for September

The chart shows the monthly maximum UV Index (UVI) for Sun Lakes 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 Sun Lakes typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111112111110854
Data source: Sun Lakes 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 Sun Lakes Compares to Other Months

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

This table compares monthly weather conditions in Sun Lakes, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)24 mm (0.9 inches)76%moderate
February Weather14°C (57°F)36 mm (1.4 inches)79%high
March Weather18°C (65°F)23 mm (0.9 inches)67%very high
April Weather24°C (75°F)2 mm (0.1 inches)55%extreme
May Weather27°C (82°F)2 mm (0.1 inches)40%extreme
June Weather33°C (92°F)3 mm (0.1 inches)33%extreme
July Weather35°C (95°F)37 mm (1.5 inches)34%extreme
August Weather34°C (94°F)35 mm (1.4 inches)48%extreme
September Weather31°C (88°F)24 mm (0.9 inches)64%very high
October Weather24°C (76°F)21 mm (0.8 inches)67%very high
November Weather19°C (66°F)19 mm (0.7 inches)77%moderate
December Weather13°C (55°F)26 mm (1.0 inches)82%moderate

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