Union Pier Weather in September

Union Pier in September sees high daytime temperatures of 23°C (73°F) and nighttime lows of 13°C (55°F). Rainfall is fairly high this month at around 94 mm (3.7 in), so pack a rain jacket to stay dry.

Rainfall in Union Pier in September

Expect around 11 days of rain based on historical data, with 94 mm (3.7 in) average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Union Pier in September

Union Pier in September is worth a visit. The temperature is excellent, with 23°C (73°F) during the day and 13°C (55°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights drop to around 13°C (55°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Union Pier in September

There are approximately 245 hours of sunshine this month, resulting in mostly clear days.

If your ideal day consists of dry skies and pleasant temperatures, July and September typically offer the best circumstances for Union Pier.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Union Pier's climate page.

Union Pier Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 36%  

Precipitation 94 mm (3.7 in)  

Rainy days 11 days  

Sunshine 245 hours *  

Percentage Sunshine *  

* Data from: Niles, the United States of America (36 KM, 22 Miles).

What to Wear in Union Pier in September

For Union Pier in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Union Pier in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Union Pier's climate page.

More climate data for Union Pier

Temperature Rainfall Sunshine

See the full Union Pier climate overview or explore weather in the United States of America.