September weather forecastSlabtown, IN
September
Weather in September
The first month of the autumn, September, is still a warm month in Slabtown, Indiana, with an average temperature varying between 75.7°F (24.3°C) and 58.1°F (14.5°C).Temperature
As Slabtown enters September, the average high-temperature subtly lowers from the a moderately hot 81.3°F (27.4°C) of August to a still warm 75.7°F (24.3°C). Throughout the month of September, Slabtown witnesses an average temperature of 58.1°F (14.5°C).Humidity
In September, the average relative humidity 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 Slabtown, Indiana, 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 8:11 pm. On the last day of September, sunrise is at 7:37 am and sunset at 7:25 pm EDT.
Sunshine
In Slabtown, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Slabtown, 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
Slabtown, 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
Slabtown, 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
Slabtown, 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
Slabtown, 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
Slabtown, 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
Slabtown, 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
Slabtown, 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
Slabtown, 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
Slabtown, 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
Slabtown, 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
Slabtown, 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
Slabtown, 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).
