September weather forecastRound Grove, IN
September
Weather in September
September, the first month of the autumn in Round Grove, is also a moderately hot month, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 75.6°F (24.2°C).Temperature
As September unfolds, the average high-temperature reaches a still moderately hot 75.6°F (24.2°C), hinting at a slight fluctuation from the previous month. Round Grove, during September, witnesses an average low-temperature of 57°F (13.9°C).Humidity
In Round Grove, the average relative humidity in September is 78%.Rainfall
In Round Grove, in September, during 10.2 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Round Grove, during the entire year, the rain falls for 130.9 days and collects up to 18.23" (463mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Round Grove, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 7:16 am and sunset at 8:19 pm. On the last day of September, sunrise is at 7:44 am and sunset at 7:31 pm EDT.
Sunshine
The average sunshine in September in Round Grove is 8.1h.UV index
The average daily maximum UV index in September is 5. A UV Index 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 5 in September translates into these instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Round Grove, IN
- Average high temperature in September: 75.6°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in September: 57°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in September
Round Grove, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Round Grove, IN
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Round Grove, 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
Round Grove, IN
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is May (2.36").
The driest months (with the least rainfall) are February and November (0.94").
Average rainfall days in September
Round Grove, IN
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (5.1 days).
Average snowfall in September
Round Grove, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Round Grove, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Round Grove, 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 18min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Round Grove, IN
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in September
Round Grove, IN
- Average UV index in September: 5
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
Round Grove, IN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are June, August and September (Cloud cover 34).
Average visibility in September
Round Grove, 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).
