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
The transition to September results in a modest reduction in average high-temperature, moving from 85.6°F (29.8°C) in August to a still moderately hot 79.7°F (26.5°C). In Troy, September's nights observe an average temperature dip to a refreshing 60.1°F (15.6°C).Humidity
The average relative humidity in September in Troy is 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 11 days and typically collects 0.75" (19mm) of precipitation.Snowfall
May through September are months without snowfall in Troy.Daylight
The average length of the day in September in Troy, Indiana, is 12h and 25min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:16 pm. On the last day of September, in Troy, sunrise is at 6:42 am and sunset at 6:31 pm CDT.
Sunshine
In Troy, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index in Troy, Indiana, is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 in September translates into these instructions:
Make use of precautions - It is urged to ward off sun damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What is the average September temperature in Troy?
What is the average humidity in September in Troy?
What is the driest month in Troy?
How many days does it rain in September in Troy?
When it does not snow in Troy?
Does it snow in Troy in September?
How many hours of daylight does Troy have in September?
When is the sunrise / sunset in September in Troy?
How long on average sun shines in September in Troy?
What is the UV index reading in September in Troy?
Average temperature in September
Troy, IN
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in September
Troy, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Troy, IN
- Average wind speed in September: 5.6mph
The windiest months (with the highest average wind speed) are January, February and April (8.1mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in September
Troy, IN
- Average humidity in September: 74%
The months with the highest relative humidity are February and May (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Troy, IN
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is April (2.13").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in September
Troy, IN
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is October (8.4 days).
Average snowfall in September
Troy, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Troy, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.1 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
Troy, IN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).
Average sunshine days in September
Troy, IN
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in September
Troy, IN
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Troy, IN
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Troy, IN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
Troy, Indiana, USA
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