September Weather in Fair Plain, United States

Last updated: June 24, 2025

In September, the average temperature in Fair Plain, United States is a pleasant 20°C (68°F). Expect a minimum cool breeze of 6°C (43°F) and the potential for warm days reaching up to 32°C (90°F). Rain may grace the region with an average precipitation of 73 mm (2.9 in) over 8 days, and the air will hold a humidity level of 78%, creating a lush and vibrant atmosphere.

September Temperature in Fair Plain

In September in Fair Plain, the average temperature is 20°C (68°F). Maximums can reach 32°C (90°F), while minimums can drop as low as 6°C (43°F). This pleasant temperature range makes Fair Plain an ideal destination for travelers seeking a comfortable climate.

September Weather in Fair Plain: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Fair Plain, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fair Plain, September typically has an average temperature of 20°C (68°F), with highs reaching up to 32°C (90°F) and lows dropping to around 6°C (43°F).

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

September Precipitation in Fair Plain

In Fair Plain in September, the precipitation amount is 73 mm (2.9 in) over a span of 8 days.

September Precipitation Trends in Fair Plain

The chart displays monthly precipitation patterns in Fair Plain, 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 Fair Plain, September typically receives around 73 mm (2.9 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 Fair Plain

In Fair Plain in September humidity is 78%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes exploring the sights a bit sticky, so travelers should stay hydrated and take frequent breaks in the shade.

September Average Humidity in Fair Plain

This chart illustrates the average monthly humidity levels in Fair Plain, 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 Fair Plain 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 Fair Plain

In Fair Plain 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 Fair Plain.

Maximum UV Index Levels in Fair Plain for September

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

Data source: Fair Plain 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 Fair Plain Compares to Other Months

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

This table compares monthly weather conditions in Fair Plain, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	79 mm (3.1 inches)	85%	moderate
February Weather	-1°C (30°F)	76 mm (3.0 inches)	85%	moderate
March Weather	3°C (38°F)	87 mm (3.4 inches)	86%	high
April Weather	8°C (46°F)	108 mm (4.2 inches)	87%	very high
May Weather	14°C (58°F)	168 mm (6.6 inches)	81%	very high
June Weather	21°C (69°F)	133 mm (5.2 inches)	82%	very high
July Weather	23°C (74°F)	93 mm (3.7 inches)	81%	very high
August Weather	23°C (73°F)	73 mm (2.9 inches)	79%	very high
September Weather	20°C (68°F)	73 mm (2.9 inches)	78%	very high
October Weather	13°C (56°F)	145 mm (5.7 inches)	81%	high
November Weather	5°C (41°F)	74 mm (2.9 inches)	89%	moderate
December Weather	2°C (35°F)	69 mm (2.7 inches)	86%	low