September weather forecastRoth Park, IN
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Roth Park, Indiana, with an average temperature fluctuating between 74.8°F (23.8°C) and 56.8°F (13.8°C).Temperature
As September takes its course, Roth Park's average high-temperature registers at a still moderately hot 74.8°F (23.8°C), closely aligning with the preceding month. Roth Park in September anticipates an average nighttime temperature of 56.8°F (13.8°C).Humidity
The average relative humidity in September is 78%.Rainfall
In Roth Park, Indiana, in September, it is raining for 12.4 days, with typically 1.34" (34mm) of accumulated precipitation. Throughout the year, there are 157.1 rainfall days, and 23.11" (587mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Roth Park, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 7:14 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 7:30 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In Roth Park, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 during September translates into the following guidance:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Roth Park, IN
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Roth Park, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Roth Park, IN
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Roth Park, 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 (72%).
Average rainfall in September
Roth Park, IN
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in September
Roth Park, 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 (6.9 days).
Average snowfall in September
Roth Park, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.95").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Roth Park, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Roth Park, IN
- Average daylight in September: 12h and 30min
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 18min).
- Average sunshine in September: 8h and 12min
The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Roth Park, IN
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in September
Roth Park, IN
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Roth Park, IN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Roth Park, IN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).





