September weather forecast
Shelburn, IN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Shelburn, Indiana, with an average temperature varying between 59.5°F (15.3°C) and 77.7°F (25.4°C).

Temperature

The average high-temperature during September is a still moderately hot 77.7°F (25.4°C), almost matching the conditions of the preceding month. September is noted for a mean low-temperature of 59.5°F (15.3°C).

Humidity

In Shelburn, the average relative humidity in September is 75%.

Rainfall

The month with the least rainfall is September, when the rain falls for 11.8 days and typically collects 1.54" (39mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 7:18 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 7:33 pm EDT.

Sunshine

The average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 5 in September translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

In September, in Shelburn, the average high-temperature is 77.7°F (25.4°C), and the average low-temperature is 59.5°F (15.3°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 89.6°F (32°C).

What is the average humidity in September?

In September, the average relative humidity is 75%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 11.8 days and accumulates 1.54" (39mm) of precipitation.

How much does it rain in September?

In Shelburn, Indiana, in September, during 11.8 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Shelburn have in September?

In Shelburn, the average day length in September is 12h and 26min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 7:18 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 7:33 pm EDT.

How long on average sun shines in September in Shelburn?

In September, the average sunshine duration is 8.6h.

What is the UV index reading in September?

In Shelburn, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from 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
Shelburn, IN

Average temperature in September - Shelburn, IN
  • Average high temperature in September: 77.7°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in September: 59.5°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average pressure in September
Shelburn, IN

Average pressure in September - Shelburn, 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 (29.93"Hg).

Average wind speed in September
Shelburn, IN

Average wind speed in September - Shelburn, IN
  • Average wind speed in September: 6.6mph

The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in September
Shelburn, IN

Average humidity in September - Shelburn, IN
  • Average humidity in September: 75%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Shelburn, IN

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

The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in September
Shelburn, IN

Average rainfall days in September - Shelburn, IN
  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.5 days).

Average snowfall in September
Shelburn, IN

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

The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Shelburn, IN

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

The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

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 30min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).

Average sunshine days in September
Shelburn, IN

Average sunshine days in September - Shelburn, IN
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.1 days).

Average UV index in September
Shelburn, IN

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

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, November and December (UV index 2).

Average cloud cover in September
Shelburn, IN

Average cloud cover in September - Shelburn, IN
  • Average cloud cover in September: 30

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Shelburn, IN

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

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

Shelburn, Indiana, USA

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