Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
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 excellent 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.
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).
Union City Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Union City - and find the best time to visit.
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Union City 3-Day Forecast
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.
Popular in September
Where to go in September - average daytime high across popular destinations.
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Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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