September weather forecastLynhurst, IN
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Lynhurst, Indiana, with an average temperature fluctuating between 58.3°F (14.6°C) and 75.9°F (24.4°C).Temperature
Lynhurst's shift into September sets the average high-temperature at a still moderately hot 75.9°F (24.4°C), a figure that deviates only slightly from August's 81.1°F (27.3°C). Lynhurst encounters an average low-temperature of 58.3°F (14.6°C) during September nights.Humidity
In September, the average relative humidity is 76%.Rainfall
In September, the rain falls for 12.2 days. Throughout September, 1.46" (37mm) of precipitation is accumulated. Throughout the year, there are 146.4 rainfall days, and 21.14" (537mm) of precipitation is accumulated.Snowfall
In Lynhurst, snow does not fall in May through October.Daylight
In September, the average length of the day 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 is 8.4h.UV index
In Lynhurst, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lynhurst, IN
- Average high temperature in September: 75.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in September
Lynhurst, 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
Lynhurst, IN
- Average wind speed in September: 6.5mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Lynhurst, IN
- Average humidity in September: 76%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Lynhurst, IN
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in September
Lynhurst, IN
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Lynhurst, IN
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.28").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Lynhurst, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lynhurst, 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 24min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Lynhurst, IN
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in September
Lynhurst, IN
- Average UV index in September: 4
The months with the highest UV index are May, 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
Lynhurst, 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 29).
Average visibility in September
Lynhurst, 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).





