nomadseason

September Weather in Arivaca Junction, United States

Last updated: June 24, 2025

In September, the average temperature in Arivaca Junction, United States is a comfortable 26°C (79°F). However, temperatures can fluctuate significantly, with a minimum of 11°C (52°F) and a maximum soaring up to 38°C (101°F). Expect some rainfall, as 37 mm (1.5 in) of precipitation typically falls over 5 days, contributing to an average humidity level of 72%. Embrace the warmth and occasional showers as you explore this vibrant destination!

September Temperature in Arivaca Junction

In September in Arivaca Junction, the average temperature is 26°C (79°F). Maximum temperatures can reach 38°C (101°F), while the minimum can drop to as low as 11°C (52°F). This makes Arivaca Junction an ideal destination for travelers seeking a warm climate, but be prepared for some cooler evenings.

September Weather in Arivaca Junction: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Arivaca Junction, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arivaca Junction, September typically has an average temperature of 26°C (79°F), with highs reaching up to 38°C (101°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec515259687484838279696151
Data source: Temperature data for Arivaca Junction generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Arivaca Junction

In Arivaca Junction in September, the precipitation amount is 37 mm (1.5 in) spread over a period of 5 days.

September Precipitation Trends in Arivaca Junction

The chart displays monthly precipitation patterns in Arivaca Junction, 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 Arivaca Junction, September typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec223116449746237111522
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Arivaca Junction

In Arivaca Junction in September, humidity is 72%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities feel a bit more strenuous but also adding a tropical charm to your travels.

September Average Humidity in Arivaca Junction

This chart illustrates the average monthly humidity levels in Arivaca Junction, 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 Arivaca Junction is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%71%60%43%32%28%38%60%72%66%74%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Arivaca Junction

In Arivaca Junction in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Arivaca Junction.

Maximum UV Index Levels in Arivaca Junction for September

The chart shows the monthly maximum UV Index (UVI) for Arivaca Junction 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 Arivaca Junction typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710121213121211965
Data source: Arivaca Junction 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 Arivaca Junction Compares to Other Months

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

This table compares monthly weather conditions in Arivaca Junction, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)22 mm (0.9 inches)74%moderate
February Weather11°C (53°F)31 mm (1.2 inches)71%high
March Weather15°C (59°F)16 mm (0.6 inches)60%very high
April Weather20°C (68°F)4 mm (0.2 inches)43%extreme
May Weather23°C (74°F)4 mm (0.1 inches)32%extreme
June Weather29°C (84°F)9 mm (0.3 inches)28%extreme
July Weather28°C (83°F)74 mm (2.9 inches)38%extreme
August Weather28°C (82°F)62 mm (2.4 inches)60%extreme
September Weather26°C (79°F)37 mm (1.5 inches)72%extreme
October Weather21°C (70°F)11 mm (0.4 inches)66%very high
November Weather16°C (61°F)15 mm (0.6 inches)74%high
December Weather11°C (52°F)22 mm (0.9 inches)81%moderate

Compare Arivaca Junction's Climate with Cities Worldwide