September weather forecastFort Wayne, IN
September
Weather in September
In September, Fort Wayne, Indiana, witnesses the transition from summer to autumn, accompanied by a significant drop in temperatures. The absence of snowfall throughout this month confirms that summer isn't entirely behind. Ambient daylight and ample sunshine hours dominate the weather, showcasing the city’s tranquil setting. Signs of autumn start to surface with hints of golden hues appearing on the foliage. September offers pleasant weather conditions to enjoy fall activities such as apple picking and nature walks in the parks.Temperature
September reveals a small adjustment in temperature, transitioning from an average high of a warm 79.3°F (26.3°C) in August to a still moderately hot 73.9°F (23.3°C). Fort Wayne in September experiences a low-temperature average of 55.4°F (13°C).Humidity
The average relative humidity in September in Fort Wayne is 79%.Rainfall
In Fort Wayne, in September, during 12.9 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. In Fort Wayne, Indiana, during the entire year, the rain falls for 151.9 days and collects up to 23.39" (594mm) of precipitation.Snowfall
In Fort Wayne, snow does not fall in June through September.Daylight
In Fort Wayne, the average length of the day in September is 12h and 28min.On the first day of September in Fort Wayne, sunrise is at 7:07 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:23 pm EDT.
Sunshine
In September, the average sunshine in Fort Wayne is 7.9h.UV index
In Fort Wayne, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. 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
Fort Wayne, IN
- Average high temperature in September: 73.9°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 (30.7°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in September
Fort Wayne, 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
Fort Wayne, IN
- Average wind speed in September: 6.9mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in September
Fort Wayne, 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 (75%).
Average rainfall in September
Fort Wayne, IN
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in September
Fort Wayne, IN
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Fort Wayne, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Fort Wayne, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fort Wayne, 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: 7h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Fort Wayne, IN
- Average sunshine days in September: 15 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is February (10.4 days).
Average UV index in September
Fort Wayne, 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
Fort Wayne, IN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Fort Wayne, IN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January and August (5mi).
