September weather forecastSitka, IN
September
Weather in September
September, the first month of the autumn in Sitka, is still a warm month, with temperature in the range of an average high of 74.8°F (23.8°C) and an average low of 56.8°F (13.8°C).Temperature
September records an average high-temperature of a still moderately hot 74.8°F (23.8°C), indicating a minor variation from the preceding month. An average low-temperature of 56.8°F (13.8°C) is noted in Sitka during the month of September.Humidity
In Sitka, the average relative humidity in September is 78%.Rainfall
In Sitka, during September, the rain falls for 12.4 days and regularly aggregates up to 1.34" (34mm) of precipitation. In Sitka, during the entire year, the rain falls for 157.1 days and collects up to 23.11" (587mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in Sitka is 12h and 27min.On the first day of September, sunrise is at 7:14 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 7:30 pm EDT.
Sunshine
In Sitka, the average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September in Sitka is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sitka, IN
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Sitka, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Sitka, IN
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Sitka, IN
- Average humidity in September: 78%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Sitka, IN
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in September
Sitka, IN
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in September
Sitka, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.95").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Sitka, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sitka, 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 18min).
- Average sunshine in September: 8h and 12min
The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Sitka, IN
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in September
Sitka, IN
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Sitka, IN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Sitka, IN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
