September weather forecast
Grandy, NC

Share

Weather in September

September, the first month of the autumn in Grandy, is still a warm month, with an average temperature varying between 72.5°F (22.5°C) and 77.5°F (25.3°C).

Temperature

Grandy indicates an average high-temperature of a still warm 77.5°F (25.3°C) in September, showing minor variation from August's 81.5°F (27.5°C). Grandy experiences a steady nighttime temperature of 72.5°F (22.5°C) throughout the month of September.

Humidity

The average relative humidity in September in Grandy is 77%.

Rainfall

In Grandy, in September, it is raining for 14.5 days, with typically 3.82" (97mm) of accumulated precipitation. Throughout the year, in Grandy, there are 173.9 rainfall days, and 37.24" (946mm) of precipitation is accumulated.

Snowfall

In Grandy, snow does not fall in April through November.

Daylight

In September, the average length of the day is 12h and 24min.
On the first day of the month, sunrise is at 6:35 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:48 pm EDT.

Sunshine

In Grandy, the average sunshine in September is 9.5h.

UV index

In Grandy, North Carolina, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 6 in September translates into this advice:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

In Grandy, in September, the average high-temperature is 77.5°F (25.3°C), and the average low-temperature is 72.5°F (22.5°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 87.8°F (31°C).

What is the average humidity in September?

In Grandy, the average relative humidity in September is 77%.

How many days does it rain in September?

In Grandy, in September, during 14.5 rainfall days, 3.82" (97mm) of precipitation is typically accumulated.

When it does not snow?

April through November are months without snowfall.

What is the average length of the day in September?

In September, the average day length is 12h and 24min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:35 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:48 pm EDT.

How many hours of sunshine does Grandy have in September?

In Grandy, the average sunshine duration in September is 9.5h.

What is the UV index intensity in September?

In Grandy, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Grandy, NC

Average temperature in September - Grandy, NC
  • Average high temperature in September: 77.5°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in September: 72.5°F

The month with the highest average low temperature is July (76.6°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).

Average pressure in September
Grandy, NC

Average pressure in September - Grandy, NC
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Grandy, NC

Average wind speed in September - Grandy, NC
  • Average wind speed in September: 11.7mph

The windiest month (with the highest average wind speed) is March (14mph).
The calmest month (with the lowest average wind speed) is August (9.9mph).

Average humidity in September
Grandy, NC

Average humidity in September - Grandy, NC
  • Average humidity in September: 77%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are October and November (74%).

Average rainfall in September
Grandy, NC

Average rainfall in September - Grandy, NC
  • Average rainfall in September: 3.82"

The wettest month (with the highest rainfall) is August (4.02").
The driest month (with the least rainfall) is January (2.24").

Average rainfall days in September
Grandy, NC

Average rainfall days in September - Grandy, NC
  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (11.6 days).

Average snowfall in September
Grandy, NC

Average snowfall in September - Grandy, NC
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Grandy, NC

Average snowfall days in September - Grandy, NC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Grandy, NC

Average daylight in September / Average sunshine in September - Grandy, NC
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 9h and 3min

The month with the most sunshine is June (Average sunshine: 11h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 24min).

Average sunshine days in September
Grandy, NC

Average sunshine days in September - Grandy, NC
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is December (17.4 days).
The month with the least sunshine days is May (10.9 days).

Average UV index in September
Grandy, NC

Average UV index in September - Grandy, NC
  • Average UV index in September: 6

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in September
Grandy, NC

Average cloud cover in September - Grandy, NC
  • Average cloud cover in September: 32

The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 25).

Average visibility in September
Grandy, NC

Average visibility in September - Grandy, NC
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Grandy, North Carolina, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location