September Weather in Elmwood, United States

Last updated: June 24, 2025

In Elmwood, United States, the average temperature in September is a comfortable 21°C (70°F). However, you can expect fluctuations, with minimums dipping to 5°C (42°F) and maximums soaring to 35°C (95°F). During this month, precipitation totals around 77 mm (3.0 in) over approximately 8 days, while the average humidity settles at a notable 78%.

September Temperature in Elmwood

In September in Elmwood, the average temperature is 21°C (70°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 5°C (42°F). This diverse range in temperatures makes it essential to pack for both warm days and cooler evenings during your travels.

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

The chart illustrates September temperature patterns in Elmwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Elmwood, September typically has an average temperature of 21°C (70°F), with highs reaching up to 35°C (95°F) and lows dropping to around 5°C (42°F).

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

September Precipitation in Elmwood

In Elmwood in September, the precipitation amount is 77 mm (3.0 in) distributed over 8 days.

September Precipitation Trends in Elmwood

The chart displays monthly precipitation patterns in Elmwood, 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 Elmwood, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 8 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 Elmwood

In Elmwood in September, humidity is 78%. With an average temperature of 21°C (70°F), this humidity feels like a warm, enveloping blanket that can leave travelers feeling sticky and slightly fatigued, making it important to stay hydrated and take frequent breaks from outdoor activities.

September Average Humidity in Elmwood

This chart illustrates the average monthly humidity levels in Elmwood, 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 Elmwood is approximately 78%, 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 Elmwood

In Elmwood 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 Elmwood.

Maximum UV Index Levels in Elmwood for September

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

Data source: Elmwood 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 Elmwood Compares to Other Months

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

This table compares monthly weather conditions in Elmwood, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	59 mm (2.3 inches)	81%	moderate
February Weather	-2°C (29°F)	68 mm (2.7 inches)	81%	moderate
March Weather	5°C (42°F)	112 mm (4.4 inches)	81%	high
April Weather	10°C (51°F)	112 mm (4.4 inches)	82%	very high
May Weather	18°C (64°F)	166 mm (6.5 inches)	78%	very high
June Weather	23°C (74°F)	161 mm (6.4 inches)	81%	extreme
July Weather	25°C (77°F)	107 mm (4.2 inches)	79%	very high
August Weather	24°C (75°F)	73 mm (2.9 inches)	77%	very high
September Weather	21°C (70°F)	77 mm (3.0 inches)	78%	very high
October Weather	13°C (56°F)	123 mm (4.9 inches)	78%	high
November Weather	4°C (40°F)	57 mm (2.2 inches)	87%	moderate
December Weather	1°C (34°F)	53 mm (2.1 inches)	84%	low