September weather forecast
Johnsonville, IN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Johnsonville, Indiana, with temperature in the range of an average high of 76.1°F (24.5°C) and an average low of 57.7°F (14.3°C).

Temperature

Johnsonville measures an average high-temperature of a still warm 76.1°F (24.5°C) in September, nearly consistent with the preceding month. During the month of September, an average low-temperature of 57.7°F (14.3°C) is recorded.

Humidity

In September, the average relative humidity is 77%.

Rainfall

February and September are months with the least rain in Johnsonville when the rain falls for 12.5 days and typically aggregates up to 1.38" (35mm) of rain.

Snowfall

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

Daylight

In Johnsonville, the average length of the day in September is 12h and 26min.
On the first day of September in Johnsonville, sunrise is at 7:18 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 Johnsonville, Indiana, is 8.8h.

UV index

In Johnsonville, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: A maximum high daily UV index of 5 during September translates into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Johnsonville in September?

An average high-temperature, in September, in Johnsonville, is 76.1°F (24.5°C) and the average low-temperature is 57.7°F (14.3°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is estimated at 86°F (30°C).

What is the average humidity in September in Johnsonville?

In September, the average relative humidity is 77%.

What is the driest month in Johnsonville?

The months with the least rainfall in Johnsonville are February and September Rain falls for 12.5 days and accumulates 1.38" (35mm) of rain.

How much does it rain in Johnsonville in September?

In Johnsonville, in September, it is raining for 12.5 days, with typically 1.38" (35mm) of accumulated precipitation.

When it does not snow in Johnsonville?

May through October are months without snowfall in Johnsonville, Indiana.

What is the average length of the day in September in Johnsonville?

The average day length in September in Johnsonville, Indiana, is 12h and 26min.

What time are sunrise and sunset in September in Johnsonville?

In September, on the first day of the month, sunrise is at 7:18 am and sunset at 8:21 pm. On the last day of the month, in Johnsonville, sunrise is at 7:46 am and sunset at 7:33 pm EDT.

How many hours of sunshine does Johnsonville have in September?

In September, the average sunshine duration in Johnsonville is 8.8h.

What is the UV index reading in September in Johnsonville?

In September, the average daily maximum UV index in Johnsonville, Indiana, 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
Johnsonville, IN

Average temperature in September - Johnsonville, IN
  • Average high temperature in September: 76.1°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in September: 57.7°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 (20.5°F).

Average pressure in September
Johnsonville, IN

Average pressure in September - Johnsonville, 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
Johnsonville, IN

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

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in September
Johnsonville, IN

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

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
Johnsonville, IN

Average rainfall in September - Johnsonville, IN
  • Average rainfall in September: 1.38"

The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").

Average rainfall days in September
Johnsonville, IN

Average rainfall days in September - Johnsonville, IN
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).

Average snowfall in September
Johnsonville, IN

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

The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Johnsonville, IN

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

The month with the highest number of snowfall days is January (10.6 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
Johnsonville, IN

Average daylight in September / Average sunshine in September - Johnsonville, 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 24min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in September
Johnsonville, IN

Average sunshine days in September - Johnsonville, IN
  • Average sunshine days in September: 15.2 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in September
Johnsonville, IN

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

The months with the highest UV index are 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
Johnsonville, IN

Average cloud cover in September - Johnsonville, IN
  • Average cloud cover in September: 32

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).

Average visibility in September
Johnsonville, IN

Average visibility in September - Johnsonville, 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).

Johnsonville, Indiana, USA

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