September weather forecast
Putnam, NC

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Weather in September

The first month of the autumn, September, is still a warm month in Putnam, North Carolina, with an average temperature fluctuating between 64°F (17.8°C) and 82.9°F (28.3°C).

Temperature

Putnam's September weather features a light decline in high-temperatures, reducing from a tropical 88.3°F (31.3°C) in August to a warm 82.9°F (28.3°C). During September, Putnam records an average temperature of 64°F (17.8°C) at night.

Heat index

The heat index value during September is calculated to be a hot 89.6°F (32°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Putnam, the average relative humidity in September is 75%.

Rainfall

In September, the rain falls for 13.5 days. Throughout September, 2.68" (68mm) of precipitation is accumulated. Throughout the year, there are 159.1 rainfall days, and 30.47" (774mm) of precipitation is accumulated.

Snowfall

In Putnam, snow does not fall in April through October.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:50 am and sunset at 7:44 pm. On the last day of September, in Putnam, sunrise is at 7:12 am and sunset at 7:02 pm EDT.

Sunshine

The average sunshine in September is 9.1h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Updated: Jun 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September?

An average high-temperature, in September, in Putnam, is 82.9°F (28.3°C) and the average low-temperature is 64°F (17.8°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in September is calculated to be 89.6°F (32°C).

What is the average humidity in September?

The average relative humidity in September is 75%.

How many days does it rain in September?

In Putnam, in September, it is raining for 13.5 days, with typically 2.68" (68mm) of accumulated precipitation.

When it does not snow?

In Putnam, snow does not fall in April through October.

How many hours of daylight does Putnam have in September?

The average day length in September is 12h and 23min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:50 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:02 pm EDT.

How many hours of sunshine does Putnam have in September?

In Putnam, the average sunshine duration in September is 9.1h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Putnam, NC

Average temperature in September - Putnam, NC
  • Average high temperature in September: 82.9°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (49.3°F).

  • Average low temperature in September: 64°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

Average pressure in September
Putnam, NC

Average pressure in September - Putnam, NC
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in September
Putnam, NC

Average wind speed in September - Putnam, NC
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in September
Putnam, NC

Average humidity in September - Putnam, NC
  • Average humidity in September: 75%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (71%).

Average rainfall in September
Putnam, NC

Average rainfall in September - Putnam, NC
  • Average rainfall in September: 2.68"

The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is October (1.89").

Average rainfall days in September
Putnam, NC

Average rainfall days in September - Putnam, NC
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in September
Putnam, NC

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

The month with the highest snowfall is February (1.02").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Putnam, NC

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

The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).

Average sunshine days in September
Putnam, NC

Average sunshine days in September - Putnam, NC
  • Average sunshine days in September: 15 days

The month with the most sunshine days is October (20.1 days).
The months with the least sunshine days are July and August (11.4 days).

Average UV index in September
Putnam, NC

Average UV index in September - Putnam, NC
  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in September
Putnam, NC

Average cloud cover in September - Putnam, NC
  • Average cloud cover in September: 34

The months with the most cloud cover are February, March and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in September
Putnam, NC

Average visibility in September - Putnam, 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).

Putnam, North Carolina, USA

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