September Weather in Joiner, United States

Last updated: June 24, 2025

In September, the average temperature in Joiner, United States hovers around 24°C (76°F). Expect a minimum of 10°C (50°F) and a maximum of 35°C (95°F), offering a range of comfortable days. Be prepared for 85 mm (3.4 in) of precipitation over 8 days, and a humidity level of 71% that adds a touch of warmth to the air.

September Temperature in Joiner

In September in Joiner, the average temperature is 24°C (76°F). The maximum can reach 35°C (95°F), while the minimum can be as low as 10°C (50°F). Be prepared for warm days and cooler nights when traveling during this time.

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

The chart illustrates September temperature patterns in Joiner, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Joiner, September typically has an average temperature of 24°C (76°F), with highs reaching up to 35°C (95°F) and lows dropping to around 10°C (50°F).

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

September Precipitation in Joiner

In Joiner in September, the precipitation amount is 85 mm (3.4 in) over the course of 8 days.

September Precipitation Trends in Joiner

The chart displays monthly precipitation patterns in Joiner, 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 Joiner, September typically receives around 85 mm (3.4 inches) of precipitation spread over approximately 8 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 Joiner

In Joiner in September humidity is 71%. With an average temperature of 24°C (76°F), this humidity feels like a warm, tropical embrace, making it essential to stay hydrated while exploring, as the air is thick and can leave you feeling sticky and slightly tired after even short excursions.

September Average Humidity in Joiner

This chart illustrates the average monthly humidity levels in Joiner, 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 Joiner is approximately 71%, 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 Joiner

In Joiner in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Joiner.

Maximum UV Index Levels in Joiner for September

The chart shows the monthly maximum UV Index (UVI) for Joiner 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 Joiner typically reaches 9, which falls under the very high exposure category.

Data source: Joiner 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 Joiner Compares to Other Months

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

This table compares monthly weather conditions in Joiner, 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 (42°F)	104 mm (4.1 inches)	84%	moderate
February Weather	7°C (45°F)	170 mm (6.7 inches)	83%	high
March Weather	12°C (55°F)	170 mm (6.7 inches)	81%	high
April Weather	16°C (61°F)	133 mm (5.2 inches)	81%	very high
May Weather	22°C (72°F)	125 mm (4.9 inches)	83%	extreme
June Weather	26°C (79°F)	110 mm (4.3 inches)	83%	extreme
July Weather	28°C (82°F)	106 mm (4.2 inches)	81%	extreme
August Weather	26°C (80°F)	112 mm (4.4 inches)	74%	very high
September Weather	24°C (76°F)	85 mm (3.4 inches)	71%	very high
October Weather	18°C (64°F)	120 mm (4.7 inches)	76%	high
November Weather	10°C (50°F)	79 mm (3.1 inches)	84%	moderate
December Weather	8°C (46°F)	137 mm (5.4 inches)	88%	moderate