September weather forecast
Cascade, IN

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Weather in September

September, the first month of the autumn in Cascade, is also a moderately hot month, with an average temperature fluctuating between 77.2°F (25.1°C) and 58.1°F (14.5°C).

Temperature

In September, the average high-temperature marginally drops from a moderately hot 82.9°F (28.3°C) in August to a still warm 77.2°F (25.1°C). An average low-temperature of 58.1°F (14.5°C) marks the month of September.

Humidity

The average relative humidity in September is 77%.

Rainfall

The months with the least rainfall are September and October Rain falls for 12.4 days and accumulates 1.65" (42mm) of rain.

Snowfall

In Cascade, Indiana, 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 7:15 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 7:29 pm EDT.

Sunshine

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

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 radiation for average individuals.
Note: An average UV index of 4 in September transforms into this advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

In Cascade, in September, the average high-temperature is 77.2°F (25.1°C), and the average low-temperature is 58.1°F (14.5°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 computed to be 91.4°F (33°C).

What is the average humidity in September?

In Cascade, the average relative humidity in September is 77%.

What is the driest month in Cascade?

The months with the least rainfall in Cascade are September and October Rain falls for 12.4 days and accumulates 1.65" (42mm) of rain.

How much does it rain in Cascade in September?

In Cascade, Indiana, in September, it is raining for 12.4 days, with typically 1.65" (42mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 7:15 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 7:29 pm EDT.

How many hours of sunshine does Cascade have in September?

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

How high is the UV index in September?

In Cascade, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Cascade, IN

Average temperature in September - Cascade, IN
  • Average high temperature in September: 77.2°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in September: 58.1°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in September
Cascade, IN

Average pressure in September - Cascade, 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
Cascade, IN

Average wind speed in September - Cascade, IN
  • Average wind speed in September: 5.8mph

The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in September
Cascade, IN

Average humidity in September - Cascade, IN
  • Average humidity in September: 77%

The months with the highest relative humidity are May and December (82%).
The month with the lowest relative humidity is October (75%).

Average rainfall in September
Cascade, IN

Average rainfall in September - Cascade, IN
  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is April (3.11").
The driest months (with the least rainfall) are September and October (1.65").

Average rainfall days in September
Cascade, IN

Average rainfall days in September - Cascade, IN
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in September
Cascade, IN

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

The month with the highest snowfall is March (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Cascade, IN

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

The month with the highest number of snowfall days is January (7.1 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
Cascade, IN

Average daylight in September / Average sunshine in September - Cascade, 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 2min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).

Average sunshine days in September
Cascade, IN

Average sunshine days in September - Cascade, IN
  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (9.2 days).

Average UV index in September
Cascade, IN

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

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, October and December (UV index 2).

Average cloud cover in September
Cascade, IN

Average cloud cover in September - Cascade, 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 30).

Average visibility in September
Cascade, IN

Average visibility in September - Cascade, IN
  • Average visibility in September: 5mi

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

Cascade, Indiana, USA

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