September weather forecast
Hemphill, KY

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Weather in September

September, the first month of the autumn in Hemphill, is also a moderately hot month, with an average temperature varying between 55.8°F (13.2°C) and 77.5°F (25.3°C).

Temperature

September sees a slight reduction in average high-temperature, with a shift from a moderately hot 82.9°F (28.3°C) in August to a still warm 77.5°F (25.3°C). Hemphill registers a significant drop in temperature in September, with average nighttime lows of 55.8°F (13.2°C).

Humidity

The average relative humidity in September in Hemphill is 78%.

Rainfall

The month with the least rainfall is September, when the rain falls for 16.9 days and typically collects 2.48" (63mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September in Hemphill is 12h and 25min.
On the first day of September, sunrise is at 7:02 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:15 pm EDT.

Sunshine

The average sunshine in September in Hemphill is 8.2h.

UV index

In Hemphill, Kentucky, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Hemphill in September?

An average high-temperature, in September, in Hemphill, is 77.5°F (25.3°C) and the average low-temperature is 55.8°F (13.2°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is estimated at 89.6°F (32°C).

What is the average humidity in September in Hemphill?

In September, the average relative humidity in Hemphill is 78%.

What is the driest month in Hemphill?

September is the month with the least rainfall in Hemphill. Rain falls for 16.9 days and accumulates 2.48" (63mm) of precipitation.

How much does it rain in Hemphill in September?

In Hemphill, in September, during 16.9 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

When it does not snow in Hemphill?

June through September are months without snowfall.

Does it snow in Hemphill in September?

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

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

In Hemphill, Kentucky, the average day length in September is 12h and 25min.

When are sunrise and sunset in September in Hemphill?

On the first day of September in Hemphill, sunrise is at 7:02 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:15 pm EDT.

How many hours of sunshine does Hemphill have in September?

The average sunshine duration in September is 8.2h.

What is the UV index reading in September in Hemphill?

The average daily maximum UV index in September in Hemphill is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe 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
Hemphill, KY

Average temperature in September - Hemphill, KY
  • Average high temperature in September: 77.5°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in September: 55.8°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

Average pressure in September
Hemphill, KY

Average pressure in September - Hemphill, KY
  • Average pressure in September: 30.06"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in September
Hemphill, KY

Average wind speed in September - Hemphill, KY
  • Average wind speed in September: 4.1mph

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in September
Hemphill, KY

Average humidity in September - Hemphill, KY
  • Average humidity in September: 78%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and November (76%).

Average rainfall in September
Hemphill, KY

Average rainfall in September - Hemphill, KY
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (2.48").

Average rainfall days in September
Hemphill, KY

Average rainfall days in September - Hemphill, KY
  • Average rainfall days in September: 16.9 days

The month with the highest number of rainy days is May (22.2 days).
The month with the least rainy days is February (12.3 days).

Average snowfall in September
Hemphill, KY

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

The month with the highest snowfall is February (6.06").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Hemphill, KY

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

The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Hemphill, KY

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

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

  • Average sunshine in September: 8h and 1min

The months with the most sunshine are June and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in September
Hemphill, KY

Average sunshine days in September - Hemphill, KY
  • Average sunshine days in September: 11 days

The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (6.8 days).

Average UV index in September
Hemphill, KY

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

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
Hemphill, KY

Average cloud cover in September - Hemphill, KY
  • Average cloud cover in September: 37

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Hemphill, KY

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

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

Hemphill, Kentucky, USA

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