September weather forecast
Georgetown, IN

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Weather in September

September, the first month of the autumn in Georgetown, is also a moderately hot month, with an average temperature ranging between max 79.2°F (26.2°C) and min 59.9°F (15.5°C).

Temperature

A subtle change in temperatures is noted as August gives way to September, with average highs reducing from 85.3°F (29.6°C) to a still moderately hot 79.2°F (26.2°C). Georgetown experiences a mean low-temperature of 59.9°F (15.5°C) during September.

Humidity

In September, the average relative humidity is 75%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.2 days and typically collects 1.73" (44mm) of precipitation.

Snowfall

In Georgetown, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 7:14 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:27 pm EDT.

Sunshine

In Georgetown, the average sunshine in September is 8.4h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 5 during September translates into the following directions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

Georgetown in September has an average high-temperature of 79.2°F (26.2°C) and an average low-temperature of 59.9°F (15.5°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is appraised at 95°F (35°C).

What is the average humidity in September?

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

What is the driest month in Georgetown?

The month with the least rainfall is September, when the rain falls for 13.2 days and typically collects 1.73" (44mm) of precipitation.

How many days does it rain in September?

In Georgetown, in September, it is raining for 13.2 days, with typically 1.73" (44mm) of accumulated precipitation.

When it does not snow in Georgetown?

May through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Georgetown have in September?

The average day length in September is 12h and 25min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 7:14 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:27 pm EDT.

How many hours of sunshine does Georgetown have in September?

In Georgetown, the average sunshine duration in September is 8.4h.

What is the UV index reading in September?

The average daily maximum UV index in September is 5. A UV Index estimate 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
Georgetown, IN

Average temperature in September - Georgetown, 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: 59.9°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

Average pressure in September
Georgetown, IN

Average pressure in September - Georgetown, 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 (29.95"Hg).

Average wind speed in September
Georgetown, IN

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

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

Average humidity in September
Georgetown, IN

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

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (74%).

Average rainfall in September
Georgetown, IN

Average rainfall in September - Georgetown, IN
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in September
Georgetown, IN

Average rainfall days in September - Georgetown, IN
  • Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is May (19 days).
The months with the least rainy days are January and February (10.3 days).

Average snowfall in September
Georgetown, IN

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

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Georgetown, IN

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

The month with the highest number of snowfall days is January (8.8 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
Georgetown, IN

Average daylight in September / Average sunshine in September - Georgetown, 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 36min).

  • Average sunshine in September: 8h and 2min

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

Average sunshine days in September
Georgetown, IN

Average sunshine days in September - Georgetown, IN
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (10.3 days).

Average UV index in September
Georgetown, IN

Average UV index in September - Georgetown, 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
Georgetown, IN

Average cloud cover in September - Georgetown, 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
Georgetown, IN

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

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

Georgetown, Indiana, USA

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