September weather forecastDolan, IN
September
Weather in September
September, the first month of the autumn in Dolan, is still a warm month, with temperature in the range of an average high of 77°F (25°C) and an average low of 58.1°F (14.5°C).Temperature
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a warm 82.6°F (28.1°C) in August to a still moderately hot 77°F (25°C). An average low-temperature of 58.1°F (14.5°C) is anticipated throughout the nights during September.Humidity
In Dolan, the average relative humidity in September is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.3 days and typically collects 1.26" (32mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 7:15 am and sunset at 8:16 pm. On the last day of September, sunrise is at 7:41 am and sunset at 7:29 pm EDT.
Sunshine
The average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dolan, IN
- Average high temperature in September: 77°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
Dolan, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Dolan, IN
- Average wind speed in September: 5.9mph
The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Dolan, IN
- Average humidity in September: 77%
The months with the highest relative humidity are May, July and December (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Dolan, IN
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in September
Dolan, IN
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in September
Dolan, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Dolan, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.3 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
Dolan, 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 24min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 4h and 18min).
Average sunshine days in September
Dolan, IN
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in September
Dolan, IN
- Average UV index in September: 4
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, October and December (UV index 2).
Average cloud cover in September
Dolan, IN
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Dolan, IN
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
