September weather forecastDunfee, IN
September
Weather in September
September, the first month of the autumn in Dunfee, is still a warm month, with temperature in the range of an average low of 55.8°F (13.2°C) and an average high of 73.8°F (23.2°C).Temperature
The commencement of September indicates a gentle shift in the average high-temperature, receding from August's moderately hot 79.3°F (26.3°C) to a still warm 73.8°F (23.2°C). September nights observe an average temperature dip to a moderate 55.8°F (13.2°C).Humidity
The average relative humidity in September is 79%.Rainfall
In September, the rain falls for 10.8 days. Throughout September, 0.87" (22mm) of precipitation is accumulated. Throughout the year, in Dunfee, there are 125.6 rainfall days, and 12.8" (325mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Dunfee.Daylight
The average length of the day in September in Dunfee is 12h and 28min.On the first day of the month, sunrise is at 7:08 am and sunset at 8:13 pm. On the last day of September, sunrise is at 7:37 am and sunset at 7:24 pm EDT.
Sunshine
The average sunshine in September in Dunfee is 8h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dunfee, IN
- Average high temperature in September: 73.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in September
Dunfee, IN
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Dunfee, IN
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Dunfee, IN
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Dunfee, IN
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is May (1.65").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in September
Dunfee, IN
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in September
Dunfee, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dunfee, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dunfee, IN
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Dunfee, IN
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
Dunfee, IN
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Dunfee, IN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Dunfee, IN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).





