September weather forecast
Free, IN

Share

Weather in September

September, the first month of the autumn in Free, is also a moderately hot month, with an average temperature ranging between min 56.8°F (13.8°C) and max 75°F (23.9°C).

Temperature

Free's shift into September is marked by a subtle change to a still warm 75°F (23.9°C) from August's 79.3°F (26.3°C) in temperature. Free experiences a nighttime temperature average of 56.8°F (13.8°C) during September.

Humidity

The average relative humidity in September in Free is 78%.

Rainfall

In Free, in September, it is raining for 10.5 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, in Free, there are 139 rainfall days, and 20.16" (512mm) of precipitation is accumulated.

Snowfall

In Free, Indiana, snow does not fall in May through October.

Daylight

In September, the average length of the day in Free is 12h and 27min.
On the first day of September in Free, sunrise is at 7:17 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 7:33 pm EDT.

Sunshine

The average sunshine in September in Free is 8.2h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 5 in September transforms into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
[Resources]

Frequently asked questions

What are the temperatures in Free in September?

An average high-temperature, in September, in Free, is 75°F (23.9°C) and the average low-temperature is 56.8°F (13.8°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 86°F (30°C).

What is the average humidity in September in Free?

In September, the average relative humidity in Free, Indiana, is 78%.

How much does it rain in Free in September?

In September, in Free, the rain falls for 10.5 days. Throughout September, 1.18" (30mm) of precipitation is accumulated.

When it does not snow in Free?

In Free, snow does not fall in May through October.

How many hours of daylight does Free have in September?

In Free, Indiana, the average day length in September is 12h and 27min.

What time are sunrise and sunset in September in Free?

On the first day of September in Free, Indiana, sunrise is at 7:17 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 7:33 pm EDT.

How many hours of sunshine does Free have in September?

The average sunshine duration in September in Free is 8.2h.

How high is the UV index in September in Free?

In Free, the average daily maximum UV index in September is 5. A UV Index estimate 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
Free, IN

Average temperature in September - Free, IN
  • Average high temperature in September: 75°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in September: 56.8°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (19°F).

[Resources]

Average pressure in September
Free, IN

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

[Resources]

Average wind speed in September
Free, IN

Average wind speed in September - Free, IN
  • Average wind speed in September: 7.1mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

[Resources]

Average humidity in September
Free, IN

Average humidity in September - Free, IN
  • Average humidity in September: 78%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).

[Resources]

Average rainfall in September
Free, IN

Average rainfall in September - Free, IN
  • Average rainfall in September: 1.18"

The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is February (0.94").

[Resources]

Average rainfall days in September
Free, IN

Average rainfall days in September - Free, IN
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (4.9 days).

[Resources]

Average snowfall in September
Free, IN

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

The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in September
Free, IN

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

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Free, IN

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

[Resources]

Average sunshine days in September
Free, IN

Average sunshine days in September - Free, IN
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.1 days).

[Resources]

Average UV index in September
Free, IN

Average UV index in September - Free, IN
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

[Resources]

Average cloud cover in September
Free, IN

Average cloud cover in September - Free, IN
  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 33).

[Resources]

Average visibility in September
Free, IN

Average visibility in September - Free, IN
  • Average visibility in September: 6mi

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

[Resources]

Free, Indiana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location