nomadseason

September Weather in Valle Vista, United States

Last updated: June 24, 2025

The average temperature in Valle Vista, United States for September is a pleasant 24°C (75°F). However, be prepared for temperature variations: it can dip as low as 9°C (48°F) and soar up to 44°C (112°F). During this time, expect minimal rainfall, with only 4 mm (0.2 in) of precipitation across 1 day. The average humidity sits at a comfortable 52%, making it an ideal month to explore!

September Temperature in Valle Vista

In September in Valle Vista, the average temperature is 24°C (75°F). Maximum temperatures can reach 44°C (112°F), while minimums can drop to as low as 9°C (48°F). Be prepared for a wide range of temperatures when traveling to Valle Vista in September.

September Weather in Valle Vista: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Valle Vista, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Valle Vista, September typically has an average temperature of 24°C (75°F), with highs reaching up to 44°C (112°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec515154616472797975665951
Data source: Temperature data for Valle Vista 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 Valle Vista

In Valle Vista in September, the precipitation amount is 4 mm (0.2 in) during 1 day.

September Precipitation Trends in Valle Vista

The chart displays monthly precipitation patterns in Valle Vista, 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 Valle Vista, September typically receives around 4 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec71737031203534133066
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Valle Vista

In Valle Vista in September humidity is 52%. With an average temperature of 24°C (75°F), this humidity feels like a comfortable warmth enveloping you, making it pleasant for outdoor activities and sightseeing, but you might feel the need for a light breeze or occasional shade to stay refreshed while exploring.

September Average Humidity in Valle Vista

This chart illustrates the average monthly humidity levels in Valle Vista, 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 Valle Vista is approximately 52%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%77%67%56%46%48%46%42%52%58%66%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Valle Vista

In Valle Vista 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 Valle Vista.

Maximum UV Index Levels in Valle Vista for September

The chart shows the monthly maximum UV Index (UVI) for Valle Vista 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 Valle Vista typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101112121110754
Data source: Valle Vista 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 Valle Vista Compares to Other Months

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

This table compares monthly weather conditions in Valle Vista, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)71 mm (2.8 inches)72%moderate
February Weather11°C (52°F)73 mm (2.9 inches)77%high
March Weather12°C (54°F)70 mm (2.8 inches)67%very high
April Weather16°C (61°F)31 mm (1.2 inches)56%very high
May Weather18°C (64°F)20 mm (0.8 inches)46%extreme
June Weather22°C (73°F)3 mm (0.1 inches)48%extreme
July Weather26°C (79°F)5 mm (0.2 inches)46%extreme
August Weather26°C (80°F)3 mm (0.1 inches)42%extreme
September Weather24°C (75°F)4 mm (0.2 inches)52%very high
October Weather19°C (67°F)13 mm (0.5 inches)58%high
November Weather15°C (59°F)30 mm (1.2 inches)66%moderate
December Weather11°C (52°F)66 mm (2.6 inches)74%moderate

Compare Valle Vista's Climate with Cities Worldwide