September weather forecast
Watterson Park, KY

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Weather in September

The first month of the autumn, September, is still a warm month in Watterson Park, Kentucky, with an average temperature fluctuating between 60.1°F (15.6°C) and 79.5°F (26.4°C).

Temperature

With the onset of September, Watterson Park experiences a modest temperature adjustment, with the average high-temperature gently receding from a hot 86.2°F (30.1°C) in August to a moderately hot 79.5°F (26.4°C). During the nights in September, Watterson Park observes an average low-temperature of 60.1°F (15.6°C).

Humidity

In September, the average relative humidity is 73%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.6 days and typically collects 1.46" (37mm) of precipitation.

Snowfall

In Watterson Park, Kentucky, snow does not fall in May through October.

Daylight

In Watterson Park, the average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 7:13 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 7:26 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In September, the average daily maximum UV index in Watterson Park is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 5 during September leads to these advisories:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

What is the usual temperature for Watterson Park in September?

The average high-temperature and low-temperature during September are 79.5°F (26.4°C) and 60.1°F (15.6°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in August is estimated at 96.8°F (36°C).

What is the average humidity in September?

In September, the average relative humidity is 73%.

What is the driest month?

September is the month with the least rainfall in Watterson Park. Rain falls for 12.6 days and accumulates 1.46" (37mm) of precipitation.

How much does it rain in September?

In September, the rain falls for 12.6 days. Throughout September, 1.46" (37mm) of precipitation is accumulated.

When it does not snow?

In Watterson Park, snow does not fall in May through October.

What is the average length of the day in September?

In Watterson Park, the average day length in September is 12h and 25min.

When are sunrise and sunset in September in Watterson Park?

On the first day of September, sunrise is at 7:13 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 7:26 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.5h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate 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
Watterson Park, KY

Average temperature in September - Watterson Park, KY
  • Average high temperature in September: 79.5°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (39.2°F).

  • Average low temperature in September: 60.1°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 (26.4°F).

Average pressure in September
Watterson Park, KY

Average pressure in September - Watterson Park, KY
  • 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 (29.95"Hg).

Average wind speed in September
Watterson Park, KY

Average wind speed in September - Watterson Park, KY
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in September
Watterson Park, KY

Average humidity in September - Watterson Park, KY
  • Average humidity in September: 73%

The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is August (72%).

Average rainfall in September
Watterson Park, KY

Average rainfall in September - Watterson Park, KY
  • Average rainfall in September: 1.46"

The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.46").

Average rainfall days in September
Watterson Park, KY

Average rainfall days in September - Watterson Park, KY
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in September
Watterson Park, KY

Average snowfall in September - Watterson Park, KY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Watterson Park, KY

Average snowfall days in September - Watterson Park, KY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Watterson Park, KY

Average daylight in September / Average sunshine in September - Watterson Park, KY
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 8h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).

Average sunshine days in September
Watterson Park, KY

Average sunshine days in September - Watterson Park, KY
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in September
Watterson Park, KY

Average UV index in September - Watterson Park, KY
  • Average UV index in September: 5

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

Average cloud cover in September
Watterson Park, KY

Average cloud cover in September - Watterson Park, KY
  • Average cloud cover in September: 31

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in September
Watterson Park, KY

Average visibility in September - Watterson Park, KY
  • Average visibility in September: 6mi

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

Watterson Park, Kentucky, USA

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