September weather forecastSyracuse, IN
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Syracuse, Indiana, with an average temperature fluctuating between 55°F (12.8°C) and 72.7°F (22.6°C).Temperature
Syracuse experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a moderately hot 78.3°F (25.7°C) in August to a pleasant 72.7°F (22.6°C). Syracuse experiences a steady low-temperature of 55°F (12.8°C) throughout September.Humidity
The average relative humidity in September is 80%.Rainfall
In September, the rain falls for 13.6 days. Throughout September, 1.77" (45mm) of precipitation is accumulated. In Syracuse, during the entire year, the rain falls for 164.7 days and collects up to 28.78" (731mm) of precipitation.Snowfall
In Syracuse, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 7:10 am and sunset at 8:15 pm. On the last day of September, sunrise is at 7:39 am and sunset at 7:25 pm EDT.
Sunshine
The average sunshine in September is 8h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Syracuse, IN
- Average high temperature in September: 72.7°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 (29.5°F).
- Average low temperature in September: 55°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°F).
Average pressure in September
Syracuse, IN
- Average pressure in September: 30.04"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
Syracuse, IN
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Syracuse, 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
Syracuse, IN
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is December (1.61").
Average rainfall days in September
Syracuse, IN
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in September
Syracuse, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Syracuse, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Syracuse, 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: 3h and 6min).
Average sunshine days in September
Syracuse, IN
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is November (14.8 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in September
Syracuse, IN
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Syracuse, IN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Syracuse, IN
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
