September Weather in Astor, United States

Last updated: June 24, 2025

In Astor, United States, the average temperature in September hovers around 27°C (81°F), with a minimum of 19°C (67°F) and occasionally soaring to a maximum of 36°C (96°F). Expect precipitation of about 157 mm (6.2 in) spread over 18 days, contributing to the average humidity of a steamy 83%.

September Temperature in Astor

In September in Astor, the average temperature is 27°C (81°F). Maximums can reach 36°C (96°F) while minimums can drop to 19°C (67°F). This climate makes Astor an ideal destination for travelers seeking warm and pleasant weather.

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

The chart illustrates September temperature patterns in Astor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Astor, September typically has an average temperature of 27°C (81°F), with highs reaching up to 36°C (96°F) and lows dropping to around 19°C (67°F).

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

September Precipitation in Astor

In Astor, in September, the precipitation amount is 157 mm (6.2 in) distributed over 18 days.

September Precipitation Trends in Astor

The chart displays monthly precipitation patterns in Astor, 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 Astor, September typically receives around 157 mm (6.2 inches) of precipitation spread over approximately 18 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 Astor

In Astor in September humidity is 83%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making sightseeing and outdoor activities feel more exhausting and requiring frequent breaks to relax in the shade or cool off.

September Average Humidity in Astor

This chart illustrates the average monthly humidity levels in Astor, 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 Astor is approximately 83%, 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 Astor

In Astor in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Astor.

Maximum UV Index Levels in Astor for September

The chart shows the monthly maximum UV Index (UVI) for Astor 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 Astor typically reaches 11, which falls under the extreme exposure category.

Data source: Astor 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 Astor Compares to Other Months

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

This table compares monthly weather conditions in Astor, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (59°F)	46 mm (1.8 inches)	83%	moderate
February Weather	18°C (65°F)	55 mm (2.2 inches)	80%	very high
March Weather	19°C (67°F)	25 mm (1.0 inches)	75%	very high
April Weather	22°C (71°F)	80 mm (3.1 inches)	70%	extreme
May Weather	25°C (77°F)	101 mm (4.0 inches)	68%	extreme
June Weather	27°C (80°F)	192 mm (7.6 inches)	75%	extreme
July Weather	27°C (81°F)	225 mm (8.9 inches)	79%	extreme
August Weather	28°C (82°F)	195 mm (7.7 inches)	81%	extreme
September Weather	27°C (81°F)	157 mm (6.2 inches)	83%	extreme
October Weather	25°C (77°F)	95 mm (3.8 inches)	81%	very high
November Weather	19°C (67°F)	63 mm (2.5 inches)	82%	high
December Weather	17°C (62°F)	67 mm (2.7 inches)	84%	moderate