September weather forecastDillman, IN
September
Weather in September
September, the first month of the autumn in Dillman, is still a warm month, with an average temperature ranging between min 56.3°F (13.5°C) and max 74.1°F (23.4°C).Temperature
Dillman starts September with an average high-temperature of a still warm 74.1°F (23.4°C), a minor shift from August's 79.2°F (26.2°C). In the month of September, Dillman experiences an average low-temperature of 56.3°F (13.5°C).Humidity
The average relative humidity in September is 79%.Rainfall
In September, in Dillman, Indiana, the rain falls for 12.4 days. Throughout September, 1.3" (33mm) of precipitation is accumulated. In Dillman, Indiana, during the entire year, the rain falls for 137.2 days and collects up to 17.95" (456mm) of precipitation.Snowfall
In Dillman, Indiana, snow does not fall in May through September.Daylight
In Dillman, Indiana, the average length of the day in September is 12h and 27min.On the first day of September in Dillman, sunrise is at 7:09 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:24 pm EDT.
Sunshine
In Dillman, the average sunshine in September is 7.9h.UV index
In September, the average daily maximum UV index in Dillman is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dillman, IN
- Average high temperature in September: 74.1°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 (31.6°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in September
Dillman, IN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Dillman, IN
- Average wind speed in September: 6.9mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Dillman, IN
- Average humidity in September: 79%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Dillman, IN
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in September
Dillman, IN
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in September
Dillman, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Dillman, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dillman, IN
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 7h and 54min
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 30min).
Average sunshine days in September
Dillman, IN
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in September
Dillman, IN
- Average UV index in September: 4
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
Dillman, IN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Dillman, IN
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
