September weather forecastHalivah, UT
September
Weather in September
The first month of the autumn, September, is still a warm month in Halivah, Utah, with an average temperature ranging between min 50.9°F (10.5°C) and max 73.4°F (23°C).Temperature
As August makes way for September, Halivah's average high-temperature eases from 81°F (27.2°C) to a still warm 73.4°F (23°C). Halivah undergoes a major shift from daytime highs, averaging a cool 50.9°F (10.5°C) during the night in September.Humidity
The average relative humidity in September is 40%.Rainfall
In Halivah, during September, the rain falls for 7.4 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Halivah, during the entire year, the rain falls for 84.2 days and collects up to 9.21" (234mm) of precipitation.Snowfall
June through September are months without snowfall in Halivah.Daylight
In Halivah, Utah, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 7:03 am and sunset at 8:01 pm. On the last day of September, in Halivah, sunrise is at 7:28 am and sunset at 7:16 pm MDT.
Sunshine
In Halivah, the average sunshine in September is 9.8h.UV index
In Halivah, Utah, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Undertake precautions - Guarding against sun damage is counselled. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Halivah, UT
- Average high temperature in September: 73.4°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is December (20.8°F).
Average pressure in September
Halivah, UT
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Halivah, UT
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is June (8.5mph).
The calmest month (with the lowest average wind speed) is January (6.2mph).
Average humidity in September
Halivah, UT
- Average humidity in September: 40%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is June (26%).
Average rainfall in September
Halivah, UT
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is July (1.81").
The driest month (with the least rainfall) is June (0.24").
Average rainfall days in September
Halivah, UT
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is November (3.2 days).
Average snowfall in September
Halivah, UT
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Halivah, UT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Halivah, UT
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).
Average sunshine days in September
Halivah, UT
- Average sunshine days in September: 19.1 days
The month with the most sunshine days is June (24 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in September
Halivah, UT
- 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
Halivah, UT
- Average cloud cover in September: 10
The month with the most cloud cover is December (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 8).
Average visibility in September
Halivah, UT
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





