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
September brings a minor shift in the average high-temperature, adjusting from a hot 87.8°F (31°C) in August to a moderately hot 80.4°F (26.9°C). Rockville anticipates an average minimum temperature of 61.2°F (16.2°C) in the month of September.Humidity
In September, the average relative humidity is 32%.Rainfall
In September, in Rockville, the rain falls for 6.7 days. Throughout September, 0.75" (19mm) of precipitation is accumulated. Throughout the year, in Rockville, there are 73.7 rainfall days, and 9.88" (251mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September in Rockville, sunrise is at 7:03 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:16 pm MDT.
Sunshine
In Rockville, Utah, the average sunshine in September is 9.8h.UV index
The average daily maximum UV index in September in Rockville, Utah, is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What are the temperatures in Rockville in September?
What is the average humidity in September in Rockville?
How many days does it rain in September in Rockville?
When it does not snow in Rockville?
What is the average length of the day in September in Rockville?
What time are sunrise and sunset in September in Rockville?
How many hours of sunshine does Rockville have in September?
What is the UV index intensity in September in Rockville?
Average temperature in September
Rockville, UT
- Average high temperature in September: 80.4°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is December (43.9°F).
- Average low temperature in September: 61.2°F
The month with the highest average low temperature is July (69.4°F).
The coldest months (with the lowest average low temperature) are January and December (28.9°F).
Average pressure in September
Rockville, UT
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Rockville, UT
- Average wind speed in September: 5.6mph
The windiest months (with the highest average wind speed) are April and May (7.5mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).
Average humidity in September
Rockville, UT
- Average humidity in September: 32%
The month with the highest relative humidity is January (64%).
The month with the lowest relative humidity is June (20%).
Average rainfall in September
Rockville, UT
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is March (1.14").
The driest month (with the least rainfall) is June (0.16").
Average rainfall days in September
Rockville, UT
- Average rainfall days in September: 6.7 days
The month with the highest number of rainy days is July (10.9 days).
The month with the least rainy days is June (2.3 days).
Average snowfall in September
Rockville, UT
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Rockville, UT
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and December (5.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Rockville, UT
- Average daylight in September: 12h and 2min
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 42min).
- Average sunshine in September: 9h and 5min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 7h and 0min).
Average sunshine days in September
Rockville, UT
- Average sunshine days in September: 19 days
The month with the most sunshine days is June (25.3 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in September
Rockville, UT
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Rockville, UT
- Average cloud cover in September: 9
The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in September
Rockville, 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).
Rockville, Utah, USA
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