Measurements:
°C
°F
Plano
78°F
S 6 mph
Feels like: 80°F
Precip: 2%
World Resorts USA Plano Weather September Weather in Plano

Plano Weather: September

Average Day Temperature: 93.5°F
Average Night Temperature: 78.2°F
Number of Sunny Days: 19 days
Sunshine Hours: 11.9 - 12.8 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.8 in

Air Temperature in September, °F

Select Year: 2026 2025 2024

The highest day temperature in September 2026 was 106°F. The lowest night temperature was 74°F. The average values for day and night temperatures during September were 98.6°F и 83.4°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Plano is 0.8 in. It makes september one of the least rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 8.1 mph. It makes September the most windless month of the year for Plano.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Plano in September is 9.2 hours.

Best Time to Visit Plano
The most sunny months:
August 22 days
October 21 days
July 20 days
The most warm months:
August 100.6 °F
July 99.2 °F
June 94.2 °F
The most cold months:
January 51.7 °F
February 56.0 °F
December 59.0 °F
The most rainy months:
May 4 days
April 4 days
March 3 days
The most windy months:
March 11 mph
April 11 mph
February 10 mph

Plano on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +60
Hawaii +82
Houston +86
Las Vegas +92
Los Angeles +102
Maui +76
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
Plano
Local time: 20:38
05 oct, monday
2100 78°F
S
6 mph
06 oct, tuesday
0000 74°F
S
6 mph
0300 70°F
SW
6 mph
0600 70°F
W
4 mph
0900 70°F
W
5 mph
1200 82°F
W
4 mph
1500 86°F
W
2 mph
1800 86°F
SW
4 mph