September weather forecastHiawatha, UT
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Hiawatha, Utah, with an average temperature fluctuating between 49.8°F (9.9°C) and 71.4°F (21.9°C).Temperature
In Hiawatha, the average high-temperature in September slightly decreases from a moderately hot 79.3°F (26.3°C) in August to a pleasant 71.4°F (21.9°C). In the month of September, the average temperature dips to a chilly 49.8°F (9.9°C) during the night.Humidity
In Hiawatha, the average relative humidity in September is 40%.Rainfall
The month with the least rainfall is September, when the rain falls for 6.3 days and typically collects 0.47" (12mm) of precipitation.Snowfall
In Hiawatha, snow does not fall in June through September.Daylight
The average length of the day in September in Hiawatha is 12h and 26min.On the first day of the month, sunrise is at 6:53 am and sunset at 7:54 pm. On the last day of September, in Hiawatha, Utah, sunrise is at 7:20 am and sunset at 7:07 pm MDT.
Sunshine
In September, the average sunshine is 10.5h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hiawatha, UT
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The months with the lowest average high temperature are January and December (31.6°F).
- Average low temperature in September: 49.8°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in September
Hiawatha, UT
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Hiawatha, UT
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is January (5mph).
Average humidity in September
Hiawatha, UT
- Average humidity in September: 40%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is June (32%).
Average rainfall in September
Hiawatha, UT
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is March (1.14").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in September
Hiawatha, UT
- Average rainfall days in September: 6.3 days
The month with the highest number of rainy days is April (12.1 days).
The month with the least rainy days is November (5.1 days).
Average snowfall in September
Hiawatha, UT
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hiawatha, UT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hiawatha, UT
- Average daylight in September: 12h and 24min
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 24min).
- Average sunshine in September: 10h and 30min
The months with the most sunshine are June and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in September
Hiawatha, UT
- Average sunshine days in September: 20.6 days
The month with the most sunshine days is June (22.1 days).
The month with the least sunshine days is April (13 days).
Average UV index in September
Hiawatha, UT
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Hiawatha, UT
- Average cloud cover in September: 11
The month with the most cloud cover is January (Cloud cover 33).
The month with the least cloud cover is September (Cloud cover 11).
Average visibility in September
Hiawatha, UT
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





