September weather forecastSandusky, IN
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Sandusky, Indiana, with an average temperature ranging between max 75.7°F (24.3°C) and min 58.1°F (14.5°C).Temperature
Sandusky observes a small decrease in the average high-temperature with the arrival of September, falling from August's 81.3°F (27.4°C) to a still warm 75.7°F (24.3°C). Throughout September, the nighttime temperature in Sandusky averages to a refreshing 58.1°F (14.5°C).Humidity
In Sandusky, the average relative humidity in September is 77%.Rainfall
September is the month with the least rainfall in Sandusky. Rain falls for 13.7 days and accumulates 1.97" (50mm) of precipitation.Snowfall
May through September are months without snowfall in Sandusky.Daylight
In Sandusky, the average length of the day in September is 12h and 26min.On the first day of September in Sandusky, Indiana, sunrise is at 7:11 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:25 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sandusky, 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
Sandusky, 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
Sandusky, 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
Sandusky, 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
Sandusky, 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
Sandusky, 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
Sandusky, 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
Sandusky, 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
Sandusky, 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 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
Sandusky, 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
Sandusky, 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
Sandusky, 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
Sandusky, 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).
