September weather forecast
Sellersburg, IN

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Weather in September

The first month of the autumn, September, is still a warm month in Sellersburg, Indiana, with an average temperature varying between 59.7°F (15.4°C) and 79.2°F (26.2°C).

Temperature

Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a warm 85.6°F (29.8°C) to a still moderately hot 79.2°F (26.2°C). Sellersburg, during September, witnesses an average low-temperature of 59.7°F (15.4°C).

Humidity

August through October, with an average relative humidity of 74%, are the least humid months in Sellersburg.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.3 days and typically collects 1.54" (39mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Sellersburg, the average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 7:13 am and sunset at 8:12 pm. On the last day of September, sunrise is at 7:38 am and sunset at 7:26 pm EDT.

Sunshine

The average sunshine in September is 8.4h.

UV index

In Sellersburg, 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: A daily high UV index of 5 in September leads to these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. When the Sun is at its strongest around midday, find shade and limit exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

What is the usual temperature for Sellersburg in September?

In September, the average high-temperature and low-temperature are 79.2°F (26.2°C) and 59.7°F (15.4°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 96.8°F (36°C).

What is the least humid month in Sellersburg?

The months with the lowest humidity are August through October, with an average relative humidity of 74%.

What is the average humidity in September?

In September, the average relative humidity is 74%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13.3 days and typically collects 1.54" (39mm) of precipitation.

How many days does it rain in September?

In September, the rain falls for 13.3 days. Throughout September, 1.54" (39mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in September?

In Sellersburg, the average day length in September is 12h and 25min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 7:13 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 7:26 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.4h.

How high is the UV index in September?

In Sellersburg, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health threat 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
Sellersburg, IN

Average temperature in September - Sellersburg, IN
  • Average high temperature in September: 79.2°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.5°F).

  • Average low temperature in September: 59.7°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in September
Sellersburg, IN

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Sellersburg, IN

Average wind speed in September - Sellersburg, IN
  • Average wind speed in September: 5.3mph

The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in September
Sellersburg, IN

Average humidity in September - Sellersburg, IN
  • Average humidity in September: 74%

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August, September and October (74%).

Average rainfall in September
Sellersburg, IN

Average rainfall in September - Sellersburg, IN
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in September
Sellersburg, IN

Average rainfall days in September - Sellersburg, IN
  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is November (9.8 days).

Average snowfall in September
Sellersburg, IN

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

The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Sellersburg, IN

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

The month with the highest number of snowfall days is January (7.7 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
Sellersburg, IN

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 8h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).

Average sunshine days in September
Sellersburg, IN

Average sunshine days in September - Sellersburg, IN
  • Average sunshine days in September: 14.8 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (11.4 days).

Average UV index in September
Sellersburg, IN

Average UV index in September - Sellersburg, 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
Sellersburg, IN

Average cloud cover in September - Sellersburg, 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 29).

Average visibility in September
Sellersburg, IN

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

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

Sellersburg, Indiana, USA

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