September Weather in Elm City, United States

Last updated: June 24, 2025

In September, the average temperature in Elm City, United States is a comfortable 24°C (75°F), with minimums dipping to 10°C (50°F) and maximums soaring up to 35°C (96°F). Expect 122 mm (4.8 in) of precipitation over 11 days, contributing to an average humidity level of 79%. Embrace the warmth while prepared for the occasional rain!

September Temperature in Elm City

In September in Elm City, the average temperature is 24°C (75°F). Maximums can reach 35°C (96°F), and minimums can be as low as 10°C (50°F). Overall, this climate makes Elm City an ideal destination for travelers seeking pleasant weather and a range of outdoor activities.

September Weather in Elm City: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Elm City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Elm City, September typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 10°C (50°F).

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

September Precipitation in Elm City

In Elm City in September, the total precipitation amount is 122 mm (4.8 in) over a span of 11 days.

September Precipitation Trends in Elm City

The chart displays monthly precipitation patterns in Elm City, 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 Elm City, September typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 11 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 Elm City

In Elm City in September, humidity is 79%. With an average temperature of 24°C (75°F), this humidity feels like a warm, tropical embrace, making traveling quite sticky and requiring ample hydration and light clothing to keep comfortable while exploring.

September Average Humidity in Elm City

This chart illustrates the average monthly humidity levels in Elm City, 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 Elm City is approximately 79%, 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 Elm City

In Elm City in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Elm City.

Maximum UV Index Levels in Elm City for September

The chart shows the monthly maximum UV Index (UVI) for Elm City 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 Elm City typically reaches 9, which falls under the very high exposure category.

Data source: Elm City 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 Elm City Compares to Other Months

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

This table compares monthly weather conditions in Elm City, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (44°F)	91 mm (3.6 inches)	85%	moderate
February Weather	10°C (50°F)	91 mm (3.6 inches)	82%	high
March Weather	12°C (54°F)	71 mm (2.8 inches)	81%	very high
April Weather	17°C (63°F)	105 mm (4.1 inches)	80%	very high
May Weather	22°C (71°F)	109 mm (4.3 inches)	81%	extreme
June Weather	25°C (77°F)	128 mm (5.0 inches)	81%	very high
July Weather	27°C (81°F)	116 mm (4.6 inches)	81%	extreme
August Weather	26°C (79°F)	152 mm (6.0 inches)	80%	very high
September Weather	24°C (75°F)	122 mm (4.8 inches)	79%	very high
October Weather	19°C (67°F)	75 mm (2.9 inches)	80%	very high
November Weather	11°C (53°F)	89 mm (3.5 inches)	85%	moderate
December Weather	9°C (48°F)	100 mm (3.9 inches)	86%	moderate