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
A modest decline in the average high-temperature is seen during September, decreasing from a moderately hot 80.1°F (26.7°C) in August to an agreeable 72.3°F (22.4°C). Nighttime temperatures exhibit a substantial dip from daytime highs during September, averaging at a chilly 48.7°F (9.3°C).Humidity
In Richfield, the average relative humidity in September is 40%.Rainfall
In Richfield, during September, the rain falls for 8.5 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Richfield, during the entire year, the rain falls for 109.4 days and collects up to 14.21" (361mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows in Richfield, Utah. Throughout September, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow. In Richfield, Utah, during the entire year, snow falls for 53.3 days and aggregates up to 41.5" (1054mm) of snow.Daylight
The average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:58 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:12 pm MDT.
Sunshine
In September, the average sunshine is 9.9h.UV index
The average daily maximum UV index in September in Richfield is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What is the temperature in September in Richfield?
What is the average humidity in September in Richfield?
How much does it rain in Richfield in September?
When does it start to snow in Richfield?
What is the average length of the day in September in Richfield?
When is the sunrise / sunset in September in Richfield?
How many hours of sunshine does Richfield have in September?
How high is the UV index in September in Richfield?
Average temperature in September
Richfield, UT
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The months with the lowest average high temperature are January and December (33.8°F).
- Average low temperature in September: 48.7°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in September
Richfield, UT
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Richfield, UT
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is June (7.3mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in September
Richfield, 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 (31%).
Average rainfall in September
Richfield, UT
- Average rainfall in September: 0.71"
The wettest months (with the highest rainfall) are March and April (1.81").
The driest month (with the least rainfall) is June (0.51").
Average rainfall days in September
Richfield, UT
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is November (5.4 days).
Average snowfall in September
Richfield, UT
- Average snowfall in September: 0.16"
The month with the highest snowfall is March (8.35").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Richfield, UT
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (11.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Richfield, UT
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 0min).
Average sunshine days in September
Richfield, UT
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is June (22.2 days).
The months with the least sunshine days are February, April and July (13.3 days).
Average UV index in September
Richfield, UT
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Richfield, UT
- Average cloud cover in September: 10
The months with the most cloud cover are January and December (Cloud cover 36).
The months with the least cloud cover are August and September (Cloud cover 10).
Average visibility in September
Richfield, UT
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Richfield, Utah, USA
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