Apex Weather in September

Apex in September averages 28°C (82°F) during the day and 17°C (63°F) at night. This is the wettest month of the year.

Rainfall in Apex in September

It's the month with the heaviest rainfall, so an umbrella is a must to navigate the wet weather. Typically, about 9 days will experience rainfall, with an average of 125 mm (4.9 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Apex in September

Daytime temperatures in Apex reach 28°C (82°F) in September, dropping to 17°C (63°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 17°C (63°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Apex in September

The days are predominantly sunny, with an estimated total of around 217 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If you prefer enjoying temperate temperatures and rain-free days, April and October typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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• January
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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 Apex's climate page.

Apex Temperature in September

Min Temperature 17°C (63°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 30%  

Precipitation 125 mm (4.9 in)  

Rainy days 9 days  

Humidity 77% *  

Sunshine 217 hours *  

Percentage Sunshine 58% *  

* Data from: Raleigh, the United States of America (19 KM, 12 Miles).

What to Wear in Apex in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Apex 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

6/10

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 Apex's climate page.

More climate data for Apex

Temperature Rainfall Sunshine Humidity

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