The water temperature in early September is usually 70-72°F.
Just east of the city of Sweet Home, OR, Foster Reservoir is a popular recreation destination for mid-valley residents, providing a pleasing Cascade foothills backdrop for a variety of water recreation activities. Foster Reservoir measures over three miles in length and was created in the late 1960s by the construction of the Foster Dam on the South Santiam River.
Just east of the city of Sweet Home, OR, Foster Reservoir is a popular recreation destination for mid-valley residents, providing a pleasing Cascade foothills backdrop for a variety of water recreation activities. Foster Reservoir measures over three miles in length and was created in the late 1960s by the construction of the Foster Dam on the South Santiam River.
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Water Temperature History Race Weekend: 2021 ??°F 2020 72°F 2019 73°F 2018 73°F 2018 72°F 2017 72°F 2016 68°F 2015 70°F 2014 73°F |
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FAQ: Do I need a wet suit?
Athletes at the Best in the West Triathlon Festival have the option to wear a wet suit. Wet suits are not required. The water temperature at Lewis Creek Park is usually a comfortable 70-72°F in September.
Still want a wet suit? We have rentals are available. More information about rentals.
Athletes at the Best in the West Triathlon Festival have the option to wear a wet suit. Wet suits are not required. The water temperature at Lewis Creek Park is usually a comfortable 70-72°F in September.
Still want a wet suit? We have rentals are available. More information about rentals.
In the event of exceptionally warm water conditions, USAT regulations will be followed:
USAT Competitive Rulebook, Article IV
4.4 Wet suits. Each age group participant shall be permitted to wear a wet suit without penalty in any event sanctioned by USA Triathlon up to and including a water temperature of 78 degrees Fahrenheit. When the water temperature is greater than 78 degrees, but less than 84 degrees Fahrenheit, age group participants may wear a wet suit at their own discretion, provided however that participants who wear a wet suit within this temperature range shall not be eligible for prizes or awards. Age group participants shall not wear wet suits in water temperatures equal to or greater than 84 degrees Fahrenheit.
USAT Competitive Rulebook, Article IV
4.4 Wet suits. Each age group participant shall be permitted to wear a wet suit without penalty in any event sanctioned by USA Triathlon up to and including a water temperature of 78 degrees Fahrenheit. When the water temperature is greater than 78 degrees, but less than 84 degrees Fahrenheit, age group participants may wear a wet suit at their own discretion, provided however that participants who wear a wet suit within this temperature range shall not be eligible for prizes or awards. Age group participants shall not wear wet suits in water temperatures equal to or greater than 84 degrees Fahrenheit.
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The weather in September is usually dry and mild. The average high for September is 78°F, the low, 48°F. The weather on race day usually starts off cool and overcast, breaking to sun in the afternoon. We wear warm ups to transition in the morning, but tri suits for the race. On cooler years, arm warms are sufficient for warmth. On hotter years, the ice and cold towels at aid stations work great. |
Temperature History Race Weekend High Low 2021 ??°F ??°F 2020 71°F 49°F 2019 69°F 60°F 2018 85°F 43°F 2017 81°F 60°F 2016 90°F 47°F 2015 93°F 51°F 2014 98°F 48°F 2013 77°F 53°F 2012 95°F 53°F 2011 94°F 53°F |
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