September Weather in Grapeview, United States

Last updated: June 24, 2025

In Grapeview, United States during September, the average temperature hovers around 17°C (63°F). The weather can vary significantly, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 31°C (88°F). Expect 81 mm (3.2 in) of precipitation over about 10 days, paired with a relatively high average humidity of 74%.

September Temperature in Grapeview

In September in Grapeview, the average temperature is 17°C (63°F). The maximum can reach 31°C (88°F), and the minimum can be as low as 8°C (46°F). It's a perfect time for travelers to enjoy mild weather and various outdoor activities.

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

The chart illustrates September temperature patterns in Grapeview, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grapeview, September typically has an average temperature of 17°C (63°F), with highs reaching up to 31°C (88°F) and lows dropping to around 8°C (46°F).

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

September Precipitation in Grapeview

In Grapeview in September, the precipitation amount is 81 mm (3.2 in) over a span of 10 days.

September Precipitation Trends in Grapeview

The chart displays monthly precipitation patterns in Grapeview, 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 Grapeview, September typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 10 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 Grapeview

In Grapeview in September, humidity is 74%. With an average temperature of 17°C (63°F), this humidity feels like a gentle embrace, making outdoor exploration comfortable yet slightly enveloped in warmth, perfect for leisurely strolls but requiring ample hydration for prolonged activities.

September Average Humidity in Grapeview

This chart illustrates the average monthly humidity levels in Grapeview, 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 Grapeview is approximately 74%, 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 Grapeview

In Grapeview in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Grapeview.

Maximum UV Index Levels in Grapeview for September

The chart shows the monthly maximum UV Index (UVI) for Grapeview 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 Grapeview typically reaches 7, which falls under the high exposure category.

Data source: Grapeview 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 Grapeview Compares to Other Months

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

This table compares monthly weather conditions in Grapeview, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	183 mm (7.2 inches)	86%	low
February Weather	6°C (42°F)	141 mm (5.6 inches)	84%	moderate
March Weather	8°C (46°F)	117 mm (4.6 inches)	85%	moderate
April Weather	10°C (51°F)	100 mm (3.9 inches)	83%	high
May Weather	14°C (57°F)	51 mm (2.0 inches)	84%	very high
June Weather	17°C (63°F)	42 mm (1.6 inches)	84%	very high
July Weather	19°C (67°F)	7 mm (0.3 inches)	82%	very high
August Weather	20°C (68°F)	11 mm (0.4 inches)	73%	very high
September Weather	17°C (63°F)	81 mm (3.2 inches)	74%	high
October Weather	12°C (54°F)	126 mm (5.0 inches)	83%	moderate
November Weather	9°C (48°F)	179 mm (7.1 inches)	86%	moderate
December Weather	6°C (43°F)	193 mm (7.6 inches)	87%	low