September Weather in Fairfield Bay, United States

Last updated: June 24, 2025

In September, the average temperature in Fairfield Bay, United States is a pleasant 24°C (75°F). However, be prepared for a range: temperatures can dip to a chilly 9°C (48°F) or soar to a maximum of 36°C (96°F). Expect some rain, with an average precipitation of 82 mm (3.2 in) spread over about 7 days. The humidity level hovers around a comfortable 71%, ensuring a balance between warmth and moisture.

September Temperature in Fairfield Bay

In September in Fairfield Bay, the average temperature is 24°C (75°F), with maximums reaching up to 36°C (96°F) and minimums dropping as low as 9°C (48°F). It's a great time to visit if you enjoy warm days and cooler nights, but be sure to pack accordingly for the temperature swings.

September Weather in Fairfield Bay: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Fairfield Bay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fairfield Bay, September typically has an average temperature of 24°C (75°F), with highs reaching up to 36°C (96°F) and lows dropping to around 9°C (48°F).

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

September Precipitation in Fairfield Bay

In Fairfield Bay in September, the precipitation amount is 82 mm (3.2 in) over the course of 7 days.

September Precipitation Trends in Fairfield Bay

The chart displays monthly precipitation patterns in Fairfield Bay, 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 Fairfield Bay, September typically receives around 82 mm (3.2 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 Fairfield Bay

In Fairfield Bay in September, humidity is 71%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making outdoor activities for traveling both refreshing and sometimes a bit stifling, prompting travelers to seek shaded spots or refreshing drinks while exploring.

September Average Humidity in Fairfield Bay

This chart illustrates the average monthly humidity levels in Fairfield Bay, 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 Fairfield Bay 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 Fairfield Bay

In Fairfield Bay 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 Fairfield Bay.

Maximum UV Index Levels in Fairfield Bay for September

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

Data source: Fairfield Bay 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 Fairfield Bay Compares to Other Months

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

This table compares monthly weather conditions in Fairfield Bay, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	88 mm (3.5 inches)	84%	moderate
February Weather	6°C (43°F)	145 mm (5.7 inches)	83%	high
March Weather	12°C (53°F)	145 mm (5.7 inches)	81%	very high
April Weather	15°C (59°F)	148 mm (5.8 inches)	81%	very high
May Weather	21°C (69°F)	182 mm (7.2 inches)	83%	extreme
June Weather	25°C (77°F)	115 mm (4.5 inches)	83%	extreme
July Weather	27°C (81°F)	82 mm (3.2 inches)	81%	extreme
August Weather	26°C (79°F)	111 mm (4.4 inches)	74%	very high
September Weather	24°C (75°F)	82 mm (3.2 inches)	71%	very high
October Weather	17°C (63°F)	107 mm (4.2 inches)	76%	high
November Weather	9°C (49°F)	79 mm (3.1 inches)	84%	moderate
December Weather	7°C (45°F)	106 mm (4.2 inches)	88%	moderate