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September Weather in Guadalupe, United States

Last updated: June 24, 2025

In Guadalupe, United States, the average temperature in September reaches a warm 31°C (89°F). Expect a range from a cool 13°C (56°F) to a scorching 45°C (114°F). Rainfall is modest, with an average precipitation of 25 mm (1.0 in) spread over approximately 3 days. With an average humidity of 64%, you'll want to stay hydrated while enjoying the warmth!

September Temperature in Guadalupe

In September in Guadalupe, the average temperature is 31°C (89°F). The maximum can reach 45°C (114°F), while the minimum can drop as low as 13°C (56°F). Travelers should be prepared for hot days and cool nights when visiting during this time.

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

The chart illustrates September temperature patterns in Guadalupe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guadalupe, September typically has an average temperature of 31°C (89°F), with highs reaching up to 45°C (114°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec545765758292959489766655
Data source: Temperature data for Guadalupe 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 Guadalupe

In Guadalupe in September, the precipitation amount is 25 mm (1.0 in) over the course of 3 days.

September Precipitation Trends in Guadalupe

The chart displays monthly precipitation patterns in Guadalupe, 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 Guadalupe, September typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec213324233444625231623
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Guadalupe

In Guadalupe in September, humidity is 64%. With an average temperature of 31°C (89°F), this humidity feels like a warm, tropical embrace, making traveling both invigorating and slightly uncomfortable as the heat wraps around you, prompting frequent breaks in shaded areas and plenty of hydration.

September Average Humidity in Guadalupe

This chart illustrates the average monthly humidity levels in Guadalupe, 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 Guadalupe 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 Guadalupe

In Guadalupe 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 Guadalupe.

Maximum UV Index Levels in Guadalupe for September

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

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

This table compares monthly weather conditions in Guadalupe, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (55°F)20 mm (0.8 inches)76%moderate
February Weather14°C (58°F)33 mm (1.3 inches)79%high
March Weather18°C (65°F)24 mm (1.0 inches)67%very high
April Weather24°C (75°F)2 mm (0.1 inches)55%extreme
May Weather28°C (82°F)3 mm (0.1 inches)40%extreme
June Weather33°C (93°F)3 mm (0.1 inches)33%extreme
July Weather35°C (95°F)44 mm (1.7 inches)34%extreme
August Weather34°C (94°F)46 mm (1.8 inches)48%extreme
September Weather31°C (89°F)25 mm (1.0 inches)64%very high
October Weather24°C (76°F)23 mm (0.9 inches)67%very high
November Weather19°C (66°F)16 mm (0.6 inches)77%moderate
December Weather13°C (55°F)23 mm (0.9 inches)82%moderate

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