September Weather in Plainview, United States

Last updated: June 24, 2025

In September, the average temperature in Plainview, United States hovers around 19°C (67°F), offering a pleasant climate. Be prepared for a wider temperature range, with minimums dipping to 3°C (38°F) and maximums soaring to 34°C (94°F). Expect about 70 mm (2.7 in) of precipitation spread over 7 days, and humidity levels around 75% to keep the atmosphere refreshingly lively.

September Temperature in Plainview

In September in Plainview, the average temperature is 19°C (67°F). The maximum can reach 34°C (94°F), while the minimum can drop as low as 3°C (38°F). This range makes Plainview an ideal destination for travelers seeking both warm days and cool evenings.

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

The chart illustrates September temperature patterns in Plainview, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Plainview, September typically has an average temperature of 19°C (67°F), with highs reaching up to 34°C (94°F) and lows dropping to around 3°C (38°F).

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

September Precipitation in Plainview

In Plainview in September, the precipitation amount is 70 mm (2.7 in) over a period of 7 days.

September Precipitation Trends in Plainview

The chart displays monthly precipitation patterns in Plainview, 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 Plainview, September typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 7 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 Plainview

In Plainview in September humidity is 75%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel invigorating yet slightly sticky, as you navigate through the vibrant streets or scenic landscapes.

September Average Humidity in Plainview

This chart illustrates the average monthly humidity levels in Plainview, 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 Plainview is approximately 75%, 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 Plainview

In Plainview 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 Plainview.

Maximum UV Index Levels in Plainview for September

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

Data source: Plainview 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 Plainview Compares to Other Months

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

This table compares monthly weather conditions in Plainview, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	25 mm (1.0 inches)	77%	moderate
February Weather	-5°C (23°F)	24 mm (0.9 inches)	81%	moderate
March Weather	3°C (38°F)	82 mm (3.2 inches)	71%	high
April Weather	8°C (47°F)	71 mm (2.8 inches)	75%	very high
May Weather	15°C (60°F)	145 mm (5.7 inches)	74%	very high
June Weather	23°C (74°F)	82 mm (3.2 inches)	82%	extreme
July Weather	25°C (76°F)	85 mm (3.3 inches)	84%	very high
August Weather	23°C (73°F)	83 mm (3.3 inches)	82%	very high
September Weather	19°C (67°F)	70 mm (2.7 inches)	75%	very high
October Weather	10°C (50°F)	79 mm (3.1 inches)	72%	high
November Weather	3°C (38°F)	24 mm (0.9 inches)	81%	moderate
December Weather	-2°C (29°F)	45 mm (1.8 inches)	79%	low