September weather forecast
Rocky Ripple, IN

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Weather in September

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

Temperature

The arrival of September brings an average high-temperature of a still moderately hot 75.6°F (24.2°C), subtly diverging from August's 80.4°F (26.9°C). Throughout September, Rocky Ripple experiences a low-temperature average of 57.9°F (14.4°C).

Humidity

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

Rainfall

In Rocky Ripple, in September, it is raining for 14 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, in Rocky Ripple, there are 158.4 rainfall days, and 28.23" (717mm) of precipitation is accumulated.

Snowfall

In Rocky Ripple, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 7:13 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 7:28 pm EDT.

Sunshine

The average sunshine in September in Rocky Ripple is 8.4h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures in Rocky Ripple?

An average high-temperature, in September, in Rocky Ripple, is 75.6°F (24.2°C) and the average low-temperature is 57.9°F (14.4°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is evaluated at 87.8°F (31°C).

What is the average humidity in September in Rocky Ripple?

In September, the average relative humidity in Rocky Ripple, Indiana, is 77%.

How many days does it rain in September in Rocky Ripple?

In Rocky Ripple, Indiana, in September, it is raining for 14 days, with typically 1.93" (49mm) of accumulated precipitation.

When it does not snow in Rocky Ripple?

In Rocky Ripple, Indiana, snow does not fall in May through September.

Does it snow in Rocky Ripple in September?

In Rocky Ripple, Indiana, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Rocky Ripple have in September?

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

When is the sunrise / sunset in September in Rocky Ripple?

In September, on the first day of the month, sunrise is at 7:13 am and sunset at 8:15 pm. On the last day of the month, in Rocky Ripple, Indiana, sunrise is at 7:40 am and sunset at 7:28 pm EDT.

How many hours of sunshine does Rocky Ripple have in September?

In September, the average sunshine duration is 8.4h.

What is the UV index intensity in September in Rocky Ripple?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Rocky Ripple, IN

Average temperature in September - Rocky Ripple, IN
  • Average high temperature in September: 75.6°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in September: 57.9°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 (20.8°F).

Average pressure in September
Rocky Ripple, IN

Average pressure in September - Rocky Ripple, 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
Rocky Ripple, IN

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

The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in September
Rocky Ripple, IN

Average humidity in September - Rocky Ripple, IN
  • Average humidity in September: 77%

The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is October (74%).

Average rainfall in September
Rocky Ripple, IN

Average rainfall in September - Rocky Ripple, IN
  • Average rainfall in September: 1.93"

The wettest months (with the highest rainfall) are April and May (3.43").
The driest month (with the least rainfall) is February (1.65").

Average rainfall days in September
Rocky Ripple, IN

Average rainfall days in September - Rocky Ripple, IN
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (7.1 days).

Average snowfall in September
Rocky Ripple, IN

Average snowfall in September - Rocky Ripple, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.83").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Rocky Ripple, IN

Average snowfall days in September - Rocky Ripple, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Rocky Ripple, IN

Average daylight in September / Average sunshine in September - Rocky Ripple, 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 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
Rocky Ripple, IN

Average sunshine days in September - Rocky Ripple, IN
  • Average sunshine days in September: 14 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (9.6 days).

Average UV index in September
Rocky Ripple, IN

Average UV index in September - Rocky Ripple, IN
  • Average UV index in September: 5

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

Average cloud cover in September
Rocky Ripple, IN

Average cloud cover in September - Rocky Ripple, IN
  • Average cloud cover in September: 32

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September
Rocky Ripple, IN

Average visibility in September - Rocky Ripple, 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).

Rocky Ripple, Indiana, USA

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