September weather forecastLiberty, IN
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Liberty, Indiana, with an average temperature fluctuating between 57.2°F (14°C) and 74.8°F (23.8°C).Temperature
A moderate decline in average high-temperatures is noted in September, moving from 80.2°F (26.8°C) in August to a still moderately hot 74.8°F (23.8°C). In Liberty, the average low-temperature during the month of September is a mild 57.2°F (14°C).Humidity
In September, the average relative humidity is 78%.Rainfall
September and November are months with the least rain when the rain falls for 13 days and typically aggregates up to 1.61" (41mm) of rain.Snowfall
May through September are months without snowfall in Liberty.Daylight
In Liberty, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 7:08 am and sunset at 8:10 pm. On the last day of September, sunrise is at 7:35 am and sunset at 7:23 pm EDT.
Sunshine
The average sunshine in September in Liberty is 8.2h.UV index
In Liberty, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 4 in September transforms into this advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Liberty, IN
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Liberty, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Liberty, IN
- Average wind speed in September: 6.4mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Liberty, IN
- Average humidity in September: 78%
The months with the highest relative humidity are January, February, July and December (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Liberty, IN
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is May (3.19").
The driest months (with the least rainfall) are September and November (1.61").
Average rainfall days in September
Liberty, IN
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in September
Liberty, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Liberty, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.7 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
Liberty, IN
- Average daylight in September: 12h and 24min
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 24min).
- Average sunshine in September: 8h and 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Liberty, IN
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in September
Liberty, IN
- 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, October, November and December (UV index 2).
Average cloud cover in September
Liberty, IN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Liberty, IN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
