September weather forecast
Clarksdale, IN

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Weather in September

September, the first month of the autumn in Clarksdale, is still a warm month, with an average temperature ranging between min 58.3°F (14.6°C) and max 77.4°F (25.2°C).

Temperature

The advent of September brings a slight shift in average high-temperature, moving from a moderately hot 83.3°F (28.5°C) in August to a still warm 77.4°F (25.2°C). Clarksdale anticipates an average minimum temperature of 58.3°F (14.6°C) in the month of September.

Humidity

In Clarksdale, the average relative humidity in September is 77%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.3 days and typically collects 1.57" (40mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 7:13 am and sunset at 8:14 pm. On the last day of September, sunrise is at 7:40 am and sunset at 7:28 pm EDT.

Sunshine

In Clarksdale, Indiana, the average sunshine in September is 8.4h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the maximum UV index of 5 translates into these guidelines:
Make use of precautions - It is urged to ward off sun damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

The high-temperature, in September, in Clarksdale, is 77.4°F (25.2°C), while the low-temperature averages to 58.3°F (14.6°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 91.4°F (33°C).

What is the average humidity in September?

In Clarksdale, the average relative humidity in September is 77%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.3 days and accumulates 1.57" (40mm) of precipitation.

How much does it rain in September?

In September, in Clarksdale, the rain falls for 12.3 days. Throughout September, 1.57" (40mm) of precipitation is accumulated.

When it does not snow?

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

Does it snow in September?

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

How many hours of daylight does Clarksdale have in September?

The average day length in September in Clarksdale is 12h and 26min.

When are sunrise and sunset in September?

On the first day of September in Clarksdale, sunrise is at 7:13 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 7:28 pm EDT.

How many hours of sunshine does Clarksdale have in September?

In September, the average sunshine duration in Clarksdale is 8.4h.

How high is the UV index in September?

In September, the average daily maximum UV index in Clarksdale is 5. A UV Index reading of 3 to 5 represents a medium health risk 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
Clarksdale, IN

Average temperature in September - Clarksdale, IN
  • Average high temperature in September: 77.4°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 (35.4°F).

  • Average low temperature in September: 58.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in September
Clarksdale, IN

Average pressure in September - Clarksdale, IN
  • Average pressure in September: 30.03"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Clarksdale, IN

Average wind speed in September - Clarksdale, IN
  • Average wind speed in September: 5.7mph

The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in September
Clarksdale, IN

Average humidity in September - Clarksdale, IN
  • Average humidity in September: 77%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (75%).

Average rainfall in September
Clarksdale, IN

Average rainfall in September - Clarksdale, IN
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in September
Clarksdale, IN

Average rainfall days in September - Clarksdale, IN
  • Average rainfall days in September: 12.3 days

The month with the highest number of rainy days is May (19.6 days).
The months with the least rainy days are January and February (8 days).

Average snowfall in September
Clarksdale, IN

Average snowfall in September - Clarksdale, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is March (2.2").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Clarksdale, IN

Average snowfall days in September - Clarksdale, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.8 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
Clarksdale, IN

Average daylight in September / Average sunshine in September - Clarksdale, IN
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in September
Clarksdale, IN

Average sunshine days in September - Clarksdale, IN
  • Average sunshine days in September: 15.3 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (8.6 days).

Average UV index in September
Clarksdale, IN

Average UV index in September - Clarksdale, IN
  • 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, October, November and December (UV index 2).

Average cloud cover in September
Clarksdale, IN

Average cloud cover in September - Clarksdale, IN
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September
Clarksdale, IN

Average visibility in September - Clarksdale, IN
  • Average visibility in September: 5mi

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

Clarksdale, Indiana, USA

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