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 arrival of September is marked by a minor reduction in average high-temperature, sliding from 83.5°F (28.6°C) in August to a still warm 77.5°F (25.3°C). San Jacinto usually reports an average low-temperature of 58.3°F (14.6°C) during the month of September.Humidity
The average relative humidity in September is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.3 days and typically collects 1.61" (41mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September in San Jacinto is 12h and 26min.On the first day of the month, sunrise is at 7:11 am and sunset at 8:11 pm. On the last day of September, sunrise is at 7:37 am and sunset at 7:25 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In San Jacinto, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 5 during September leads to these advisories:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does San Jacinto have in September?
When are sunrise and sunset in September?
How many hours of sunshine does San Jacinto have in September?
What is the UV index intensity in September?
Average temperature in September
San Jacinto, IN
- Average high temperature in September: 77.5°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
San Jacinto, IN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
San Jacinto, IN
- Average wind speed in September: 5.8mph
The windiest months (with the highest average wind speed) are January, February and April (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
San Jacinto, IN
- Average humidity in September: 76%
The months with the highest relative humidity are January, February and December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
San Jacinto, IN
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in September
San Jacinto, IN
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (9 days).
Average snowfall in September
San Jacinto, IN
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
San Jacinto, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.3 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
San Jacinto, IN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
San Jacinto, IN
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in September
San Jacinto, IN
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
San Jacinto, IN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
San Jacinto, IN
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, June, October and November (6mi).
The months with the lowest visibility are February, May, July, August, September and December (5mi).
San Jacinto, Indiana, USA
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