September weather forecast
Mount Liberty, IN

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Weather in September

The first month of the autumn, September, is still a warm month in Mount Liberty, Indiana, with an average temperature fluctuating between 77.4°F (25.2°C) and 58.3°F (14.6°C).

Temperature

The onset of September results in a small decrease in the average high-temperature, moderately receding from 83.3°F (28.5°C) in August to a still warm 77.4°F (25.2°C). During September, the temperature tends to dip to an average of 58.3°F (14.6°C) at night.

Humidity

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

Rainfall

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

Snowfall

In Mount Liberty, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September in Mount Liberty, 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.

Sunshine

The average sunshine in September is 8.4h.

UV index

In September, the average daily maximum UV index in Mount Liberty is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, a daily UV index of 5 turns into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

In Mount Liberty, 77.4°F (25.2°C) is the average high-temperature and 58.3°F (14.6°C) is the average low-temperature during September. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in August is computed to be 91.4°F (33°C).

What is the average humidity in September?

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

What is the driest month?

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

How much does it rain in September?

In Mount Liberty, in September, it is raining for 12.3 days, with typically 1.57" (40mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

In Mount Liberty, Indiana, the average day length in September is 12h and 26min.

When are sunrise and sunset in September in Mount Liberty?

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

How long on average sun shines in September?

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

What is the UV index reading in September?

In Mount Liberty, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Mount Liberty, IN

Average temperature in September - Mount Liberty, 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
Mount Liberty, IN

Average pressure in September - Mount Liberty, 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
Mount Liberty, IN

Average wind speed in September - Mount Liberty, 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
Mount Liberty, IN

Average humidity in September - Mount Liberty, 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
Mount Liberty, IN

Average rainfall in September - Mount Liberty, 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
Mount Liberty, IN

Average rainfall days in September - Mount Liberty, 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
Mount Liberty, IN

Average snowfall in September - Mount Liberty, 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
Mount Liberty, IN

Average snowfall days in September - Mount Liberty, 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
Mount Liberty, IN

Average daylight in September / Average sunshine in September - Mount Liberty, 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
Mount Liberty, IN

Average sunshine days in September - Mount Liberty, 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
Mount Liberty, IN

Average UV index in September - Mount Liberty, 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
Mount Liberty, IN

Average cloud cover in September - Mount Liberty, 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
Mount Liberty, IN

Average visibility in September - Mount Liberty, 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).

Mount Liberty, Indiana, USA

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