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
Jolietville notes an average high-temperature of a still moderately hot 75°F (23.9°C) in September, displaying minor variation from August. During the month of September, Jolietville experiences a steady low-temperature average of 57.6°F (14.2°C).Humidity
The average relative humidity in September in Jolietville is 77%.Rainfall
The month with the least rainfall in Jolietville is September, when the rain falls for 13.6 days and typically collects 1.97" (50mm) of precipitation.Snowfall
May through September are months without snowfall in Jolietville.Daylight
In Jolietville, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 7:13 am and sunset at 8:15 pm. On the last day of September, sunrise is at 7:40 am and sunset at 7:28 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.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 unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Exercise prevention - Warding off sunburn is urged. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What is the usual temperature for Jolietville in September?
What is the average humidity in September in Jolietville?
What is the driest month in Jolietville?
How much does it rain in Jolietville in September?
When it does not snow in Jolietville?
Does it snow in Jolietville in September?
What is the average length of the day in September in Jolietville?
What time are sunrise and sunset in September in Jolietville?
How long on average sun shines in September in Jolietville?
What is the UV index intensity in September in Jolietville?
Average temperature in September
Jolietville, IN
- Average high temperature in September: 75°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in September: 57.6°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in September
Jolietville, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Jolietville, IN
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Jolietville, IN
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Jolietville, IN
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in September
Jolietville, IN
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in September
Jolietville, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.25").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Jolietville, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Jolietville, IN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Jolietville, IN
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in September
Jolietville, 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
Jolietville, IN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Jolietville, IN
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Jolietville, Indiana, USA
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