Chapel Hill
North Carolina, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Chapel Hill, NC

Red flowers and green trees around the Old Well at the iconic UNC in Chapel Hill, North Carolina, on a sunny and calm day with scanty clouds in the sky
Red flowers and green trees around the Old Well at the iconic UNC in Chapel Hill, North Carolina, on a sunny and calm day with scanty clouds in the sky
September, the first month of the autumn, in Chapel Hill, is still a warm month, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 81.1°F (27.3°C).

Temperature

In Chapel Hill, the average high-temperature in September marginally drops, from a hot 87.4°F (30.8°C) in August, to a warm 81.1°F (27.3°C). The average low-temperature, in Chapel Hill, is 59.5°F (15.3°C).

Rainfall

In September, in Chapel Hill, the rain falls for 8.8 days. Throughout September, 4.2" (105.7mm) of precipitation is accumulated. Throughout the year, there are 122.5 rainfall days, and 47.3" (1201.9mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day in Chapel Hill is 12.4h.

What is the temperature in September in Chapel Hill?

In September, the average high-temperature is 81.1°F (27.3°C), and the average low-temperature is 59.5°F (15.3°C).

How much does it rain in Chapel Hill in September?

In Chapel Hill, during September, the rain falls for 8.8 days and regularly aggregates up to 4.2" (105.7mm) of precipitation.

When it does not snow in Chapel Hill?

In Chapel Hill, North Carolina, snow does not fall in April through October.

What is the average length of the day in September in Chapel Hill?

In Chapel Hill, North Carolina, the average length of the day in September is 12.4h.
Average temperature in September - Chapel Hill, NC
  • Average high temperature in September: 81.2°F

The warmest month (with the highest average high temperature) is July (89°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in September: 59.5°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

Average rainfall in September - Chapel Hill, NC
  • Average rainfall in September: 4.2"

The wettest month (with the highest rainfall) is July (4.6").
The driest month (with the lowest rainfall) is April (3.3").

Average rainfall days in September - Chapel Hill, NC
  • Average rainfall days in September: 8.8 days

The month with the highest number of rainy days is March (12 days).
The month with the lowest number of rainy days is October (7.9 days).

Average snowfall in September - Chapel Hill, NC
  • Average snowfall in September: 0"

The month with the highest snowfall is January (1.7").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September - Chapel Hill, NC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.3 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September - Chapel Hill, NC
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.8h).