September Weather in Monte Vista, United States

Last updated: June 24, 2025

In Monte Vista, United States, the average temperature in September hovers around 12°C (54°F), with extremes ranging from a chilly -6°C (22°F) to a warm 28°C (82°F). Expect 47 mm (1.9 in) of precipitation over about 7 days, accompanied by an average humidity level of 70%. Stay prepared for a mix of conditions!

September Temperature in Monte Vista

In September in Monte Vista, the average temperature is 12°C (54°F), with a maximum that can reach 28°C (82°F) and a minimum that can dip as low as -6°C (22°F). This variation in temperature makes Monte Vista an ideal destination for travelers looking to experience both warm days and cool evenings, so be sure to pack accordingly!

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

The chart illustrates September temperature patterns in Monte Vista, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monte Vista, September typically has an average temperature of 12°C (54°F), with highs reaching up to 28°C (82°F) and lows dropping to around -6°C (22°F).

Data source: Temperature data for Monte Vista generated using information from the Copernicus Climate Change Service.

September Precipitation in Monte Vista

In Monte Vista in September, the total precipitation amount is 47 mm (1.9 in) recorded over a span of 7 days.

September Precipitation Trends in Monte Vista

The chart displays monthly precipitation patterns in Monte 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 Monte Vista, September typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Monte Vista

In Monte Vista in September humidity is 70%. With an average temperature of 12°C (54°F), this humidity feels like a chilly embrace, making it essential for travelers to wear layers while exploring the area, as the dampness can seep through clothing, leaving one feeling cooler than the actual temperature suggests.

September Average Humidity in Monte Vista

This chart illustrates the average monthly humidity levels in Monte 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 Monte Vista is approximately 70%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Monte Vista

In Monte Vista 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 Monte Vista.

Maximum UV Index Levels in Monte Vista for September

The chart shows the monthly maximum UV Index (UVI) for Monte 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 Monte Vista typically reaches 11, which falls under the extreme exposure category.

Data source: Monte 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 Monte Vista Compares to Other Months

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

This table compares monthly weather conditions in Monte Vista, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	24 mm (1.0 inches)	84%	moderate
February Weather	-5°C (23°F)	31 mm (1.2 inches)	84%	high
March Weather	-1°C (31°F)	37 mm (1.5 inches)	74%	very high
April Weather	4°C (39°F)	32 mm (1.3 inches)	68%	extreme
May Weather	9°C (48°F)	49 mm (1.9 inches)	62%	extreme
June Weather	15°C (59°F)	34 mm (1.3 inches)	55%	extreme
July Weather	17°C (62°F)	86 mm (3.4 inches)	54%	extreme
August Weather	15°C (60°F)	53 mm (2.1 inches)	61%	extreme
September Weather	12°C (54°F)	47 mm (1.9 inches)	70%	extreme
October Weather	6°C (42°F)	30 mm (1.2 inches)	78%	very high
November Weather	0°C (32°F)	21 mm (0.8 inches)	81%	high
December Weather	-5°C (22°F)	28 mm (1.1 inches)	85%	moderate