September Weather in Smith, United States

Last updated: June 24, 2025

In Smith, United States, the average temperature in September is a comfortable 18°C (65°F). However, be prepared for a range, as temperatures can dip to a chilly -1°C (31°F) or soar to a sweltering 37°C (98°F). With precipitation averaging 8 mm (0.3 in) over just 2 days, you can expect mostly dry conditions. Don’t forget, the average humidity sits at a moderate 41%, making for pleasant weather overall!

September Temperature in Smith

In September in Smith, the average temperature is 18°C (65°F). Maximums can reach 37°C (98°F), and minimums can drop to as low as -1°C (31°F). Be prepared for a wide range of temperatures when traveling to Smith this month, as it can vary dramatically between day and night.

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

The chart illustrates September temperature patterns in Smith, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Smith, September typically has an average temperature of 18°C (65°F), with highs reaching up to 37°C (98°F) and lows dropping to around -1°C (31°F).

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

September Precipitation in Smith

In Smith in September, the precipitation amount is 8 mm (0.3 in) over the course of 2 days.

September Precipitation Trends in Smith

The chart displays monthly precipitation patterns in Smith, 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 Smith, September typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 2 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 Smith

In Smith in September humidity is 41%. With an average temperature of 18°C (65°F), this humidity feels like a pleasant, crisp atmosphere, perfect for exploring.

September Average Humidity in Smith

This chart illustrates the average monthly humidity levels in Smith, 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 Smith is approximately 41%, 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 Smith

In Smith 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 Smith.

Maximum UV Index Levels in Smith for September

The chart shows the monthly maximum UV Index (UVI) for Smith 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 Smith typically reaches 10, which falls under the very high exposure category.

Data source: Smith 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 Smith Compares to Other Months

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

This table compares monthly weather conditions in Smith, 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 (32°F)	68 mm (2.7 inches)	85%	moderate
February Weather	0°C (32°F)	64 mm (2.5 inches)	87%	high
March Weather	3°C (38°F)	46 mm (1.8 inches)	84%	very high
April Weather	9°C (48°F)	30 mm (1.2 inches)	78%	very high
May Weather	13°C (56°F)	29 mm (1.2 inches)	64%	extreme
June Weather	20°C (68°F)	7 mm (0.3 inches)	56%	extreme
July Weather	24°C (76°F)	10 mm (0.4 inches)	44%	extreme
August Weather	23°C (74°F)	9 mm (0.3 inches)	34%	extreme
September Weather	18°C (65°F)	8 mm (0.3 inches)	41%	very high
October Weather	10°C (51°F)	27 mm (1.0 inches)	60%	high
November Weather	5°C (42°F)	29 mm (1.2 inches)	81%	moderate
December Weather	0°C (31°F)	46 mm (1.8 inches)	82%	moderate