Roswell Weather in September

In Roswell, September brings high daytime temperatures around 30°C (86°F), with nights cooling to 15°C (59°F). It is the wettest month of the year, so expect more rainfall than usual.

Rainfall in Roswell in September

Being the wettest month, having an umbrella on standby can help you avoid getting caught in the rain. On average, there are about 8 days with rain during this month, averaging 64 mm (2.5 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Roswell in September

Daytime temperatures in Roswell reach 30°C (86°F) in September, dropping to 15°C (59°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 15°C (59°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 Roswell in September

Expect sunny days throughout the month, with an estimated 262 hours of sunshine. This makes it a pleasant time to visit Roswell.

If your ideal day consists of dry skies and pleasant temperatures, March, April, May, October and November typically offer the best circumstances for Roswell.

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 Roswell's climate page.

Roswell Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 26%  

Precipitation 64 mm (2.5 in)  

Rainy days 8 days  

Humidity 57%  

Sunshine 262 hours  

Percentage Sunshine 70%  

What to Wear in Roswell 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Roswell in September

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

Swimming

9/10

Cycling

8/10

Walking

8/10

Camping

8/10

Outdoor sports

8/10

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 Roswell's climate page.

More climate data for Roswell

Temperature Rainfall Sunshine Humidity

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