Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
As Gary enters September, the average high-temperature subtly lowers from the a moderately hot 78.4°F (25.8°C) of August to a pleasant 72.9°F (22.7°C). Throughout September, Gary experiences a low-temperature average of 59.4°F (15.2°C).Humidity
The average relative humidity in September is 76%.Rainfall
In Gary, during September, the rain falls for 13.8 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Gary, Indiana, during the entire year, the rain falls for 153.8 days and collects up to 25.51" (648mm) of precipitation.Snowfall
In Gary, Indiana, snow does not fall in May through September.Daylight
In Gary, Indiana, the average length of the day in September is 12h and 28min.On the first day of September in Gary, sunrise is at 6:16 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:32 pm CDT.
Sunshine
In Gary, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What is the usual temperature for Gary in September?
What is the average humidity in September in Gary?
How many days does it rain in September in Gary?
When it does not snow in Gary?
Does it snow in Gary in September?
What is the average length of the day in September in Gary?
When are sunrise and sunset in September in Gary?
How long on average sun shines in September in Gary?
How high is the UV index in September in Gary?
Average temperature in September
Gary, IN
- Average high temperature in September: 72.9°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in September: 59.4°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Gary, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Gary, IN
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in September
Gary, IN
- Average humidity in September: 76%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Gary, IN
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days in September
Gary, IN
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in September
Gary, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Gary, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.4 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
Gary, IN
- Average daylight in September: 12h and 3min
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 5min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Gary, IN
- Average sunshine days in September: 13 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in September
Gary, 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
Gary, IN
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Gary, IN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Gary, Indiana, USA
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