Union City Weather in September

Union City in September sees high daytime temperatures of 29°C (84°F) and nighttime lows of 18°C (64°F). With just 76 mm (3 in) of rainfall on average, it's the driest month of the year.

Rainfall in Union City in September

With the driest weather of the year, this month is ideal for outdoor fun. Based on our climate data of the past 30 years, about 8 days of rain are anticipated, with 76 mm (3 in) on average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Union City in September

If you're visiting Union City in September, expect perfect temperatures with highs of 29°C (84°F) and overnight lows of 18°C (64°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights cool down to 18°C (64°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Union City in September

The month enjoys around 227 hours of sunshine, creating mostly sunny days with good weather conditions.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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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 City's climate page.

Union City Temperature in September

Min Temperature 18°C (64°F)  

Max Temperature 29°C (84°F)  

Chance of Rain 27%  

Precipitation 76 mm (3 in)  

Rainy days 8 days  

Humidity 74% *  

Sunshine 227 hours *  

Percentage Sunshine 61% *  

* Data from: Atlanta, the United States of America (22 KM, 14 Miles).

What to Wear in Union City in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Union City in September

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

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 City's climate page.

More climate data for Union City

Temperature Rainfall Sunshine Humidity

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