September weather forecastMcCoy, IN
September
Weather in September
September, the first month of the autumn in McCoy, is also a moderately hot month, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 75.7°F (24.3°C).Temperature
The transition to September results in a modest reduction in average high-temperature, moving from a warm 81.3°F (27.4°C) in August to a still moderately hot 75.7°F (24.3°C). September generally records an average low-temperature of 58.1°F (14.5°C).Humidity
The average relative humidity in September is 77%.Rainfall
September is the month with the least rainfall. Rain falls for 13.7 days and accumulates 1.97" (50mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In McCoy, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 7:10 am and sunset at 8:12 pm. On the last day of September, sunrise is at 7:37 am and sunset at 7:25 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
In McCoy, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
McCoy, IN
- Average high temperature in September: 75.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in September
McCoy, IN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
McCoy, IN
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in September
McCoy, IN
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
McCoy, IN
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in September
McCoy, IN
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in September
McCoy, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
McCoy, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
McCoy, IN
- Average daylight in September: 12h and 24min
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 12min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
McCoy, IN
- Average sunshine days in September: 14 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in September
McCoy, 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
McCoy, 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 30).
Average visibility in September
McCoy, IN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
