September weather forecast and climate
Bellefonte, KY

September, the first month of the autumn, in Bellefonte, is still a warm month, with average temperature varying between 58.1°F (14.5°C) and 79.3°F (26.3°C).

Temperature

In September, the average high-temperature marginally drops, from 85.6°F (29.8°C) in August, to a still moderately hot 79.3°F (26.3°C). In September, the average low-temperature is 58.1°F (14.5°C).

Humidity

In Bellefonte, Kentucky, the average relative humidity is 75%.

Rainfall

In Bellefonte, during September, the rain falls for 10.4 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Bellefonte, during the entire year, the rain falls for 146.5 days and collects up to 19.65" (499mm) of precipitation.

Snowfall

In Bellefonte, Kentucky, snow does not fall in May through September.

Daylight

The average length of the day in September is 12.4h.

Sunshine

The average sunshine in September is 8.1h.

UV index

In September, the average daily maximum UV index in Bellefonte, Kentucky, is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 4 in September transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Bellefonte?

The average high-temperature, in September, in Bellefonte, is 79.3°F (26.3°C), while the average low-temperature is 58.1°F (14.5°C).

What is the average humidity in September in Bellefonte?

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

How much does it rain in Bellefonte in September?

In September, in Bellefonte, the rain falls for 10.4 days. Throughout September, 1.22" (31mm) of precipitation is accumulated.

Does it snow in Bellefonte in September?

In Bellefonte, Kentucky, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Bellefonte?

May through September are months without snowfall in Bellefonte.

What is the average length of the day in September in Bellefonte?

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

How many hours of sunshine does Bellefonte have in September?

The average sunshine in September in Bellefonte is 8.1h.

How high is the UV index in September in Bellefonte?

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Bellefonte, KY
  • Average high temperature in September: 79.3°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in September: 58.1°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in September - Bellefonte, KY
  • Average pressure in September: 30.05"

The month with the highest atmospheric pressure is November (30.16").
The month with the lowest atmospheric pressure is June (29.97").

Average wind speed in September - Bellefonte, KY
  • Average wind speed in September: 4.7mph

The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in September - Bellefonte, KY
  • Average humidity in September: 75%

Months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (74%).

Average rainfall in September - Bellefonte, KY
  • Average rainfall in September: 1.22"

The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is November (1.06").

Average rainfall days in September - Bellefonte, KY
  • Average rainfall days in September: 10.4 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is November (8.4 days).

Average snowfall in September - Bellefonte, KY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.13").
Months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September - Bellefonte, KY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.7 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Bellefonte, KY
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in September: 8.1h

The month with the most sunshine is August (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 3.8h).

Average sunshine days in September - Bellefonte, KY
  • Average sunshine days in September: 17.4 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is February (11.1 days).

Average UV index in September - Bellefonte, KY
  • Average UV index in September: 4

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September - Bellefonte, KY
  • Average cloud cover in September: 36

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September - Bellefonte, KY
  • Average visibility in September: 5mi

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