September weather forecast
Gilpin, KY

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Weather in September

The first month of the autumn, September, is still a warm month in Gilpin, Kentucky, with an average temperature varying between 59.4°F (15.2°C) and 79°F (26.1°C).

Temperature

The transition into September subtly indicates a reduction in the average high-temperature, down to a still moderately hot 79°F (26.1°C) from August's 85.1°F (29.5°C). In September, the recorded average low-temperature is a mild 59.4°F (15.2°C).

Humidity

April, June, August through November, with an average relative humidity of 76%, are the least humid months in Gilpin.

Rainfall

September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 2.44" (62mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 7:10 am and sunset at 8:07 pm. On the last day of September, sunrise is at 7:34 am and sunset at 7:23 pm EDT.

Sunshine

The average sunshine in September is 8.1h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 5 transforms into these recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

In September, in Gilpin, the average high-temperature is 79°F (26.1°C), and the average low-temperature is 59.4°F (15.2°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is estimated at 95°F (35°C).

What are the least humid months?

The months with the lowest humidity are April, June, August through November, with an average relative humidity of 76%.

What is the average humidity in September?

In September, the average relative humidity is 76%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 2.44" (62mm) of precipitation.

How many days does it rain in September?

In Gilpin, Kentucky, during September, the rain falls for 13.5 days and regularly aggregates up to 2.44" (62mm) of precipitation.

When it does not snow?

In Gilpin, snow does not fall in May through September.

Does it snow in September?

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

What is the average length of the day in September?

The average day length in September is 12h and 25min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 7:10 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:23 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.1h.

How high is the UV index in September?

The average daily maximum UV index in September in Gilpin is 5. A UV Index reading of 3 to 5 represents a moderate health threat 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
Gilpin, KY

Average temperature in September - Gilpin, KY
  • Average high temperature in September: 79°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in September: 59.4°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

Average pressure in September
Gilpin, KY

Average pressure in September - Gilpin, KY
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Gilpin, KY

Average wind speed in September - Gilpin, KY
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is February (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in September
Gilpin, KY

Average humidity in September - Gilpin, KY
  • Average humidity in September: 76%

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are April, June, August, September, October and November (76%).

Average rainfall in September
Gilpin, KY

Average rainfall in September - Gilpin, KY
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is February (4.25").
The driest month (with the least rainfall) is September (2.44").

Average rainfall days in September
Gilpin, KY

Average rainfall days in September - Gilpin, KY
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is November (11.5 days).

Average snowfall in September
Gilpin, KY

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

The month with the highest snowfall is February (3.7").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Gilpin, KY

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

The month with the highest number of snowfall days is January (8.6 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
Gilpin, KY

Average daylight in September / Average sunshine in September - Gilpin, 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 36min).

  • Average sunshine in September: 8h and 1min

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

Average sunshine days in September
Gilpin, KY

Average sunshine days in September - Gilpin, KY
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is February (9.7 days).

Average UV index in September
Gilpin, KY

Average UV index in September - Gilpin, 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 and December (UV index 2).

Average cloud cover in September
Gilpin, KY

Average cloud cover in September - Gilpin, KY
  • Average cloud cover in September: 34

The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Gilpin, KY

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

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

Gilpin, Kentucky, USA

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