September weather forecastDunlap, IN
September
Weather in September
September, the first month of the autumn in Dunlap, is still a pleasant month, with an average temperature fluctuating between 72.9°F (22.7°C) and 54.9°F (12.7°C).Temperature
The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a moderately hot 78.3°F (25.7°C) in August to a pleasant 72.9°F (22.7°C). Dunlap registers a consistent average low-temperature of 54.9°F (12.7°C) during September.Humidity
The average relative humidity in September is 80%.Rainfall
In September, the rain falls for 13.2 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. Throughout the year, in Dunlap, there are 163.4 rainfall days, and 30.55" (776mm) of precipitation is accumulated.Snowfall
In Dunlap, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 7:10 am and sunset at 8:16 pm. On the last day of September, sunrise is at 7:40 am and sunset at 7:26 pm EDT.
Sunshine
In September, the average sunshine is 8h.UV index
In Dunlap, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dunlap, IN
- Average high temperature in September: 72.9°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in September: 54.9°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in September
Dunlap, IN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Dunlap, IN
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in September
Dunlap, IN
- Average humidity in September: 80%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Dunlap, IN
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (3.9").
The driest months (with the least rainfall) are February and December (1.77").
Average rainfall days in September
Dunlap, IN
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in September
Dunlap, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dunlap, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dunlap, 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 12min).
- 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: 2h and 54min).
Average sunshine days in September
Dunlap, IN
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is January (8.6 days).
Average UV index in September
Dunlap, IN
- Average UV index in September: 4
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Dunlap, IN
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Dunlap, IN
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
