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 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
In September, the meteorological conditions change slightly, with the average high-temperature moving from a fiery hot 96.1°F (35.6°C) in August to a hot 90.7°F (32.6°C). During September, Morristown observes a consistent average nighttime temperature of 74.1°F (23.4°C).Humidity
The average relative humidity in September is 32%.Rainfall
In Morristown, in September, during 6.7 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Morristown, Arizona, during the entire year, the rain falls for 60.7 days and collects up to 9.13" (232mm) of precipitation.Snowfall
January through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September in Morristown, sunrise is at 6:04 am and sunset at 6:55 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 6:15 pm MST.
Sunshine
The average sunshine in September is 9.7h.UV index
In September, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow in Morristown?
What is the average length of the day in September?
What time are sunrise and sunset in September in Morristown?
How many hours of sunshine does Morristown have in September?
What is the UV index reading in September?
Average temperature in September
Morristown, AZ
- Average high temperature in September: 90.7°F
The warmest month (with the highest average high temperature) is July (97.3°F).
The month with the lowest average high temperature is December (58.8°F).
- Average low temperature in September: 74.1°F
The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is December (43.3°F).
Average pressure in September
Morristown, AZ
- Average pressure in September: 29.85"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).
Average wind speed in September
Morristown, AZ
- Average wind speed in September: 6.1mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is December (5.5mph).
Average humidity in September
Morristown, AZ
- Average humidity in September: 32%
The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (17%).
Average rainfall in September
Morristown, AZ
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is August (1.26").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Morristown, AZ
- Average rainfall days in September: 6.7 days
The month with the highest number of rainy days is July (10.5 days).
The month with the least rainy days is June (1.6 days).
Average snowfall days in September
Morristown, AZ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Morristown, AZ
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Morristown, AZ
- Average sunshine days in September: 21 days
The month with the most sunshine days is May (28.3 days).
The month with the least sunshine days is August (17.1 days).
Average UV index in September
Morristown, AZ
- Average UV index in September: 7
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Morristown, AZ
- Average cloud cover in September: 9
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in September
Morristown, AZ
- 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).
Morristown, Arizona, USA
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