September weather forecast
Burlington, IN

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Weather in September

The first month of the autumn, September, is still a warm month in Burlington, Indiana, with an average temperature ranging between max 75°F (23.9°C) and min 56.7°F (13.7°C).

Temperature

September's arrival brings an average high-temperature of a still moderately hot 75°F (23.9°C), slightly deviating from August's 79.9°F (26.6°C). Nighttime temperatures consistently average a moderate 56.7°F (13.7°C) during September.

Humidity

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

Rainfall

In Burlington, Indiana, in September, during 10.1 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Burlington, during the entire year, the rain falls for 119.3 days and collects up to 12.68" (322mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Burlington, the average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 7:13 am and sunset at 8:17 pm. On the last day of September, sunrise is at 7:41 am and sunset at 7:28 pm EDT.

Sunshine

In Burlington, Indiana, the average sunshine in September is 8.1h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

What is the usual temperature for Burlington in September?

The high-temperature, in September, in Burlington, records 75°F (23.9°C), while the low-temperature is 56.7°F (13.7°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September in Burlington, Indiana, is 78%.

How many days does it rain in September?

In Burlington, during September, the rain falls for 10.1 days and regularly aggregates up to 0.83" (21mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Burlington have in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 7:13 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 7:28 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.1h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to 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
Burlington, IN

Average temperature in September - Burlington, IN
  • Average high temperature in September: 75°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 (31.5°F).

  • Average low temperature in September: 56.7°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

Average pressure in September
Burlington, IN

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

The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Burlington, IN

Average wind speed in September - Burlington, IN
  • Average wind speed in September: 7mph

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
Burlington, IN

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

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

Average rainfall in September
Burlington, IN

Average rainfall in September - Burlington, IN
  • Average rainfall in September: 0.83"

The wettest month (with the highest rainfall) is May (1.54").
The driest month (with the least rainfall) is February (0.71").

Average rainfall days in September
Burlington, IN

Average rainfall days in September - Burlington, IN
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is May (15.4 days).
The months with the least rainy days are January and February (5.3 days).

Average snowfall in September
Burlington, IN

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

The month with the highest snowfall is February (1.65").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Burlington, IN

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

The month with the highest number of snowfall days is January (8.6 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
Burlington, IN

Average daylight in September / Average sunshine in September - Burlington, 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 months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in September
Burlington, IN

Average sunshine days in September - Burlington, IN
  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (13.7 days).

Average UV index in September
Burlington, IN

Average UV index in September - Burlington, IN
  • Average UV index in September: 4

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

Average cloud cover in September
Burlington, IN

Average cloud cover in September - Burlington, IN
  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are June, July and August (Cloud cover 34).

Average visibility in September
Burlington, IN

Average visibility in September - Burlington, 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).

Burlington, Indiana, USA

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