September Weather in Jerome, United States

Last updated: June 24, 2025

In Jerome, United States, the average temperature in September hovers around 19°C (67°F), with a minimum dipping to 2°C (36°F) and a maximum soaring to 40°C (104°F). During this period, the region receives an average precipitation of 12 mm (0.5 in) over 2 days, while the humidity remains at a comfortable 46%. Get ready to experience the vibrant climate that makes this destination so appealing!

September Temperature in Jerome

In September in Jerome, the average temperature is 19°C (67°F). Maximums can reach 40°C (104°F), while minimums can drop as low as 2°C (36°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your trip.

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

The chart illustrates September temperature patterns in Jerome, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jerome, September typically has an average temperature of 19°C (67°F), with highs reaching up to 40°C (104°F) and lows dropping to around 2°C (36°F).

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

September Precipitation in Jerome

In Jerome in September, the precipitation amount is 12 mm (0.5 in) over the course of 2 days.

September Precipitation Trends in Jerome

The chart displays monthly precipitation patterns in Jerome, 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 Jerome, September typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 2 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Jerome

In Jerome in September humidity is 46%. With an average temperature of 19°C (67°F), this humidity feels like a comfortable embrace, making it pleasant for traveling and exploring, though a light jacket might be advisable for the evening chill.

September Average Humidity in Jerome

This chart illustrates the average monthly humidity levels in Jerome, 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 Jerome is approximately 46%, 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 Jerome

In Jerome in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Jerome.

Maximum UV Index Levels in Jerome for September

The chart shows the monthly maximum UV Index (UVI) for Jerome 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 Jerome typically reaches 8, which falls under the very high exposure category.

Data source: Jerome 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 Jerome Compares to Other Months

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

This table compares monthly weather conditions in Jerome, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (31°F)	40 mm (1.6 inches)	91%	moderate
February Weather	2°C (35°F)	46 mm (1.8 inches)	92%	moderate
March Weather	7°C (45°F)	34 mm (1.4 inches)	85%	high
April Weather	11°C (52°F)	23 mm (0.9 inches)	76%	very high
May Weather	16°C (60°F)	31 mm (1.2 inches)	66%	very high
June Weather	22°C (71°F)	11 mm (0.4 inches)	62%	extreme
July Weather	27°C (81°F)	3 mm (0.1 inches)	53%	extreme
August Weather	25°C (78°F)	5 mm (0.2 inches)	42%	very high
September Weather	19°C (67°F)	12 mm (0.5 inches)	46%	very high
October Weather	11°C (51°F)	22 mm (0.9 inches)	64%	high
November Weather	5°C (41°F)	29 mm (1.1 inches)	83%	moderate
December Weather	0°C (33°F)	36 mm (1.4 inches)	87%	moderate