September weather forecast
Bridgewater, SC

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Weather in September

September, the first month of the autumn in Bridgewater, is still a warm month, with an average temperature fluctuating between 63.5°F (17.5°C) and 83.7°F (28.7°C).

Temperature

As September begins, there is a minor decrease in the average high-temperature, softly falling from a hot 89.4°F (31.9°C) in August to a moderately hot 83.7°F (28.7°C). Bridgewater's temperature in September lowers to a consistent average of 63.5°F (17.5°C) during the nights.

Heat index

September's heat index is calculated to be a tropical 89.6°F (32°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

The average relative humidity in September is 72%.

Rainfall

September is the month with the least rainfall. Rain falls for 9.7 days and accumulates 0.79" (20mm) of precipitation.

Snowfall

In Bridgewater, South Carolina, snow does not fall in April through November.

Daylight

In Bridgewater, the average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 7:04 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:16 pm EDT.

Sunshine

In Bridgewater, the average sunshine in September is 8.5h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. When the Sun is at its strongest around midday, find shade and limit exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

Is it hot in Bridgewater during September?

In September, the average high-temperature and low-temperature are 83.7°F (28.7°C) and 63.5°F (17.5°C) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 89.6°F (32°C).

What is the average humidity in September?

In Bridgewater, the average relative humidity in September is 72%.

What is the driest month in Bridgewater?

September is the month with the least rainfall. Rain falls for 9.7 days and accumulates 0.79" (20mm) of precipitation.

How many days does it rain in September?

In Bridgewater, in September, it is raining for 9.7 days, with typically 0.79" (20mm) of accumulated precipitation.

When it does not snow?

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

What is the average length of the day in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 7:04 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:16 pm EDT.

How many hours of sunshine does Bridgewater have in September?

The average sunshine duration in September in Bridgewater is 8.5h.

How high is the UV index in September?

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
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
Bridgewater, SC

Average temperature in September - Bridgewater, SC
  • Average high temperature in September: 83.7°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.2°F).

  • Average low temperature in September: 63.5°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).

Average pressure in September
Bridgewater, SC

Average pressure in September - Bridgewater, SC
  • Average pressure in September: 30.03"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in September
Bridgewater, SC

Average wind speed in September - Bridgewater, SC
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in September
Bridgewater, SC

Average humidity in September - Bridgewater, SC
  • Average humidity in September: 72%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).

Average rainfall in September
Bridgewater, SC

Average rainfall in September - Bridgewater, SC
  • Average rainfall in September: 0.79"

The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is September (0.79").

Average rainfall days in September
Bridgewater, SC

Average rainfall days in September - Bridgewater, SC
  • Average rainfall days in September: 9.7 days

The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is October (7.2 days).

Average snowfall in September
Bridgewater, SC

Average snowfall in September - Bridgewater, SC
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Bridgewater, SC

Average snowfall days in September - Bridgewater, SC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.9 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
Bridgewater, SC

Average daylight in September / Average sunshine in September - Bridgewater, SC
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in September
Bridgewater, SC

Average sunshine days in September - Bridgewater, SC
  • Average sunshine days in September: 18.5 days

The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (14.3 days).

Average UV index in September
Bridgewater, SC

Average UV index in September - Bridgewater, SC
  • Average UV index in September: 5

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

Average cloud cover in September
Bridgewater, SC

Average cloud cover in September - Bridgewater, SC
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 29).

Average visibility in September
Bridgewater, SC

Average visibility in September - Bridgewater, SC
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Bridgewater, South Carolina, USA

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