September weather forecastDayville, IN
September
Weather in September
September, the first month of the autumn in Dayville, is also a moderately hot month, with an average temperature fluctuating between 60.8°F (16°C) and 79.5°F (26.4°C).Temperature
The shift into September reveals an average high-temperature of a still warm 79.5°F (26.4°C), closely mirroring August's climate. Dayville records a mean low-temperature of 60.8°F (16°C) in September.Humidity
The average relative humidity in September is 73%.Rainfall
The month with the least rainfall in Dayville is September, when the rain falls for 6.4 days and typically collects 0.2" (5mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:18 pm. On the last day of September, sunrise is at 6:44 am and sunset at 6:33 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a regular UV index of 5 translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dayville, IN
- Average high temperature in September: 79.5°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (39.4°F).
- Average low temperature in September: 60.8°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in September
Dayville, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Dayville, IN
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Dayville, IN
- Average humidity in September: 73%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Dayville, IN
- Average rainfall in September: 0.2"
The wettest month (with the highest rainfall) is June (0.91").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in September
Dayville, IN
- Average rainfall days in September: 6.4 days
The month with the highest number of rainy days is May (11.6 days).
The month with the least rainy days is November (4.9 days).
Average snowfall in September
Dayville, IN
- Average snowfall in September: 0"
The months with the highest snowfall are February and November (0.12").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Dayville, IN
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2.3 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
Dayville, IN
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Dayville, IN
- Average sunshine days in September: 20.7 days
The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is May (15.5 days).
Average UV index in September
Dayville, 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 and December (UV index 2).
Average cloud cover in September
Dayville, IN
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Dayville, 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).





