Raleigh Weather in September: Temperature, Precipitation, Wind

Temperature
22.4°C
72.3°F
High temperature
28°C
82.4°F
Low temperature
17.7°C
63.8°F
Feels like
22.7°C
72.9°F
Rainy days
10 days
Rainfall level
3.89mm
0.15 inch
Cloud coverage
57.8%
Wind speed
15.5km/h
9.7mph
Daylight time
12:23:57
UV index
7.8
1
clear day
20.9°C
70.0°F
2
partly cloudy day
21.6°C
71.0°F
3
clear day
24.6°C
76.0°F
4
clear day
27.5°C
82.0°F
5
partly cloudy day
28.2°C
83.0°F
6
partly cloudy day
29.6°C
85.0°F
7
partly cloudy day
29.7°C
85.0°F
8
rain
26.3°C
79.0°F
9
rain
22.2°C
72.0°F
10
rain
24.2°C
76.0°F
11
partly cloudy day
24.9°C
77.0°F
12
rain
25.6°C
78.0°F
13
rain
24.8°C
77.0°F
14
partly cloudy day
23.6°C
74.0°F
15
partly cloudy day
19.7°C
67.0°F
16
clear day
20.2°C
68.0°F
17
rain
20.4°C
69.0°F
18
rain
20.7°C
69.0°F
19
partly cloudy day
19.7°C
67.0°F
20
partly cloudy day
21.7°C
71.0°F
21
partly cloudy day
21.5°C
71.0°F
22
rain
18.6°C
65.0°F
23
rain
16.1°C
61.0°F
24
rain
21.1°C
70.0°F
25
partly cloudy day
23.0°C
73.0°F
26
partly cloudy day
19.6°C
67.0°F
27
cloudy
17.9°C
64.0°F
28
partly cloudy day
19.1°C
66.0°F
29
partly cloudy day
19.2°C
67.0°F
30
partly cloudy day
19.1°C
66.0°F

In September, Raleigh has warm temperatures with an average high of 82.4°F (28.0°C) and an average low of 63.8°F (17.7°C). The city sees an average of 10 days of precipitation this month for a total of 3.89 inches (98.8 mm). September has a moderate average humidity of 73.9% and a breeze with an average wind speed of 15.5 mph (6.9 m/s). Raleigh has partly cloudy skies on average, but the chance of severe weather increases to 22.2% compared to the summer months.

What is the temperature in Raleigh in September?

Average air temperature in Raleigh is 22.4°C (72.3°F) in September. The outside temperature in Raleigh feels like 22.7°C (72.9°F) on a typical September day. The highest average temperature during sunny days is 28°C (82.4°F) and feels like 28.9°C (84°F). The lowest average temperature after dark is 17.7°C (63.8°F) which feels like 17.7°C (63.8°F).

How hot is Raleigh in September?

The hot temperature in September in Raleigh rises to 37.1°C (98.8°F) on sunny days with low cloud coverage and 73.9% humidity. During hottest days of September it feels like 40.6 °C (105.1°F). The average maximum temp in Raleigh is 28°C (105.1°F) during day time in September.

How cold is Raleigh in September?

The coldest temp in Raleigh in September drops to 11.5°C (52.7°F) during the cold nights. With 15.5km/h (9.7mph) winds and 73.9% humidity it feels like 11.5°C (52.7°F) on the coldest nights. The average minimum temperature is 17.7°C (63.8°F) during night time in September.

Does it rain in Raleigh in September?

Yes, it rains for 10 days in Raleigh, United States in September averaging 3.89 mm of precipitation. Raleigh has a 33.3% chance for rain throughout the entire month of September.

How much does it rain in Raleigh throughout September?

Raleigh has 3.89 mm (0.15 inch) of rain per day on average in September. It rains for an average of 10 days out of the entire month.

Is Raleigh windy in September?

The average speed of wind in Raleigh, United States during September is 15.5km/h (9.7mph) and average windgust is 28.9km/h (17.9mph). On some days in September wind can reach up to 29km/h (18mph).

What is the direction of the wind in Raleigh in September?

Most days of September the wind is blowing from South-Southeast direction in Raleigh.

What are the humidity levels in Raleigh in September?

The average humidity levels in Raleigh in September are 73.9%. Daily humidity levels in Raleigh range from 61.4% to 90.7% during September.

How many hours of daylight are in Raleigh in September?

Raleigh has 12 hours 23 minutes of daylight in September on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Raleigh in September is at 6:57:24 and the sunset is at 19:21:21.

What is the cloud coverage in Raleigh in September?

Clouds cover 57.8% of the sky on average throughout September in Raleigh. The cloud coverage ranges from 3.6% to 100% depending on the day of the month.

What is the UV level in September in Raleigh?

The average UV index in Raleigh is 7.8 in September. UV levels change throughout the month and range from 1 to 10.

What is the solar radiation in Raleigh in September?

The average solar radiation is 193.4 W/m2 (Watts per square meter) in Raleigh during September. However solar radiation levels change throughout the month and range from 26.8 W/m2 to 292.4 W/m2.

What is the solar energy during September in Raleigh?

The average solar energy during September in Raleigh is 16.7 MJ/m2 (megajoules per square metre). Solar energy ranges from 2.3 MJ/m2, to 25.4 MJ/m2 during September.

Are there severe weather risks in Raleigh in September?

Yes, there is a 22.2% risk for severe weather in Raleigh, United States in September.

What is the air pressure in Raleigh in September?

On average the air pressure in Raleigh in September is 1016.9 mb (millibars). Throughout the month the sea level pressure ranges from 1006.4 mb to 1022.9 mb.

What is the visibility in Raleigh in September?

The average daylight visibility in Raleigh in September is 14.9 km (9.3 miles). Depending on the precipitation the visibility ranges from 9.4 km (5.8 miles) to 16 km (9.9 miles) throughout September.

What is the dew point in Raleigh in September?

The average dew point in Raleigh during September is 16.9°C (62.4°F).

Where is the data for Raleigh climate in September coming from?

The climate data for Raleigh, North Carolina, United States in September is collected from the following weather stations.

  • NC State NC US WEATHERSTEM
  • NC State Dail Softball Stadium NC US WEATHERSTEM
  • NC State Doak Field NC US WEATHERSTEM
  • SMITHFIELD JOHNSTON CO AIRPORT, NC US
  • LOUISBURG FRANKLIN CO AIRPORT, NC US
  • RALEIGH AIRPORT, NC US
  • KJNX
  • KLHZ
  • KRDU