September weather forecast
Beech Brook, IN

Share

Weather in September

The first month of the autumn, September, is still a warm month in Beech Brook, Indiana, with an average temperature fluctuating between 75.6°F (24.2°C) and 57.9°F (14.4°C).

Temperature

In September, Beech Brook experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 80.6°F (27°C) in August to a still moderately hot 75.6°F (24.2°C). The average nighttime temperature lowers to a mild 57.9°F (14.4°C) throughout September.

Humidity

In September, the average relative humidity is 77%.

Rainfall

In Beech Brook, in September, during 12.9 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 153.4 rainfall days, and 26.81" (681mm) of precipitation is accumulated.

Snowfall

In Beech Brook, 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 the month, sunrise is at 7:12 am and sunset at 8:13 pm. On the last day of September, sunrise is at 7:39 am and sunset at 7:26 pm EDT.

Sunshine

In Beech Brook, the average sunshine in September is 8.3h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 4 in September translates into this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Beech Brook in September?

The high-temperature, in September, in Beech Brook, is 75.6°F (24.2°C), while the low-temperature averages to 57.9°F (14.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 86°F (30°C).

What is the average humidity in September?

In September, the average relative humidity is 77%.

How much does it rain in September?

In Beech Brook, in September, it is raining for 12.9 days, with typically 1.85" (47mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Beech Brook have in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 7:12 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:26 pm EDT.

How long on average sun shines in September?

In Beech Brook, the average sunshine duration in September is 8.3h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 4. 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
Beech Brook, IN

Average temperature in September - Beech Brook, IN
  • Average high temperature in September: 75.6°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in September: 57.9°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 (21.7°F).

Average pressure in September
Beech Brook, IN

Average pressure in September - Beech Brook, 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
Beech Brook, IN

Average wind speed in September - Beech Brook, IN
  • Average wind speed in September: 6.4mph

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 (5.7mph).

Average humidity in September
Beech Brook, IN

Average humidity in September - Beech Brook, IN
  • Average humidity in September: 77%

The months with the highest relative humidity are January, July and December (82%).
The month with the lowest relative humidity is October (74%).

Average rainfall in September
Beech Brook, IN

Average rainfall in September - Beech Brook, IN
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is February (1.69").

Average rainfall days in September
Beech Brook, IN

Average rainfall days in September - Beech Brook, IN
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8 days).

Average snowfall in September
Beech Brook, IN

Average snowfall in September - Beech Brook, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Beech Brook, IN

Average snowfall days in September - Beech Brook, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7.8 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
Beech Brook, IN

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

  • Average sunshine in September: 8h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in September
Beech Brook, IN

Average sunshine days in September - Beech Brook, IN
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (9.8 days).

Average UV index in September
Beech Brook, IN

Average UV index in September - Beech Brook, IN
  • Average UV index in September: 4

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

Average cloud cover in September
Beech Brook, IN

Average cloud cover in September - Beech Brook, IN
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September
Beech Brook, IN

Average visibility in September - Beech Brook, 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).

Beech Brook, Indiana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location