September weather forecast
Colfax, KY

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Weather in September

September, the first month of the autumn in Colfax, is also a moderately hot month, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 78.3°F (25.7°C).

Temperature

With the onset of September, Colfax experiences a modest temperature adjustment, with the average high-temperature gently receding from a warm 84.4°F (29.1°C) in August to a still moderately hot 78.3°F (25.7°C). Nighttime temperature lowers to an average of 58.1°F (14.5°C) in September.

Humidity

The average relative humidity in September is 76%.

Rainfall

September and October are months with the least rain when the rain falls for 12.9 days and typically aggregates up to 2.05" (52mm) of rain.

Snowfall

May through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 25min.
On the first day of September, sunrise is at 7:04 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:18 pm EDT.

Sunshine

In Colfax, the average sunshine in September is 8.3h.

UV index

In Colfax, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A maximum daily UV index of 4 during September morphs into the following directions:
Ensure safety - Imperative it is to shield skin and eyes from damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

What are the temperatures in September?

The average high-temperature, in September, in Colfax, is 78.3°F (25.7°C), while the average low-temperature is 58.1°F (14.5°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is estimated at 93.2°F (34°C).

What is the average humidity in September?

The average relative humidity in September is 76%.

What is the driest month?

The months with the least rainfall are September and October Rain falls for 12.9 days and accumulates 2.05" (52mm) of rain.

How many days does it rain in September?

In Colfax, in September, it is raining for 12.9 days, with typically 2.05" (52mm) of accumulated precipitation.

When it does not snow?

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

Does it snow in September?

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

How many hours of daylight does Colfax have in September?

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

When are sunrise and sunset in September in Colfax?

On the first day of September, sunrise is at 7:04 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:18 pm EDT.

How many hours of sunshine does Colfax have in September?

In Colfax, the average sunshine duration in September is 8.3h.

How high is the UV index in September?

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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
Colfax, KY

Average temperature in September - Colfax, KY
  • Average high temperature in September: 78.3°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in September: 58.1°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure in September
Colfax, KY

Average pressure in September - Colfax, KY
  • Average pressure in September: 30.04"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Colfax, KY

Average wind speed in September - Colfax, KY
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in September
Colfax, KY

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

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (75%).

Average rainfall in September
Colfax, KY

Average rainfall in September - Colfax, KY
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is May (3.58").
The driest months (with the least rainfall) are September and October (2.05").

Average rainfall days in September
Colfax, KY

Average rainfall days in September - Colfax, KY
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (10.6 days).

Average snowfall in September
Colfax, KY

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

The month with the highest snowfall is January (2.72").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Colfax, KY

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

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Colfax, 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 2min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in September
Colfax, KY

Average sunshine days in September - Colfax, KY
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (9.4 days).

Average UV index in September
Colfax, KY

Average UV index in September - Colfax, 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
Colfax, KY

Average cloud cover in September - Colfax, KY
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Colfax, KY

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

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

Colfax, Kentucky, USA

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