September weather forecastSandborn, IN
September
Weather in September
September, the first month of the autumn in Sandborn, is still a warm month, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 59.4°F (15.2°C).Temperature
Sandborn's weather subtly changes with the onset of September, barely falling from a moderately hot 82.9°F (28.3°C) in August to a still warm 77.5°F (25.3°C). An average nighttime temperature of 59.4°F (15.2°C) is recorded during September.Humidity
In September, the average relative humidity is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 8 days and accumulates 0.47" (12mm) of precipitation.Snowfall
In Sandborn, snow does not fall in April through October.Daylight
In Sandborn, the average length of the day in September is 12h and 26min.On the first day of September in Sandborn, Indiana, sunrise is at 7:18 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 7:32 pm EDT.
Sunshine
In September, the average sunshine in Sandborn is 8.5h.UV index
In Sandborn, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 5 during September leads to these advisories:
Act with care - The suggestion to avoid sunburn is emphasized. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sandborn, IN
- Average high temperature in September: 77.5°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in September: 59.4°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in September
Sandborn, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Sandborn, IN
- Average wind speed in September: 6.4mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Sandborn, IN
- Average humidity in September: 76%
The months with the highest relative humidity are May and July (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Sandborn, IN
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is April (1.06").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in September
Sandborn, IN
- Average rainfall days in September: 8 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (6.1 days).
Average snowfall in September
Sandborn, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Sandborn, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sandborn, 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 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in September
Sandborn, IN
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in September
Sandborn, IN
- Average UV index in September: 5
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, November and December (UV index 2).
Average cloud cover in September
Sandborn, IN
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Sandborn, 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).





