September weather forecastNew Richmond, IN

September

Weather in September

September, the first month of the autumn in New Richmond, is also a moderately hot month, with an average temperature fluctuating between 57.4°F (14.1°C) and 75.4°F (24.1°C).

Temperature

The onset of September notes an average high-temperature of a still warm 75.4°F (24.1°C), subtly shifted from August's 79.9°F (26.6°C). New Richmond, in September, observes a steady average low-temperature of 57.4°F (14.1°C).

Humidity

In September, the average relative humidity is 78%.

Rainfall

In September, the rain falls for 11.5 days. Throughout September, 1.34" (34mm) of precipitation is accumulated. In New Richmond, Indiana, during the entire year, the rain falls for 144.1 days and collects up to 22.17" (563mm) of precipitation.

Snowfall

In New Richmond, 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 7:16 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 7:31 pm EDT.

Sunshine

In New Richmond, Indiana, the average sunshine in September is 8.2h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a regular UV index of 5 translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

September temperatures vary between a high-temperature of 75.4°F (24.1°C) and a low-temperature of 57.4°F (14.1°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in July is computed to be 87.8°F (31°C).

In New Richmond, the average relative humidity in September is 78%.

In September, the rain falls for 11.5 days. Throughout September, 1.34" (34mm) of precipitation is accumulated.

May through September are months without snowfall.

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

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

On the first day of September, sunrise is at 7:16 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 7:31 pm EDT.

The average sunshine duration in September is 8.2h.

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
New Richmond, IN

  • Average high temperature in September: 75.4°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in September: 57.4°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in September
New Richmond, 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
New Richmond, IN

  • Average wind speed in September: 7mph

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

Average humidity in September
New Richmond, IN

  • Average humidity in September: 78%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).

Average rainfall in September
New Richmond, IN

  • Average rainfall in September: 1.34"

The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is February (1.26").

Average rainfall days in September
New Richmond, IN

  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is May (19.1 days).
The months with the least rainy days are January and February (6.8 days).

Average snowfall in September
New Richmond, IN

  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.36").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
New Richmond, IN

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
New Richmond, IN

  • Average daylight in September: 12h and 24min

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 12min

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in September
New Richmond, IN

  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.1 days).

Average UV index in September
New Richmond, IN

  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in September
New Richmond, IN

  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
New Richmond, IN

  • Average visibility in September: 6mi

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