September weather forecast
Wellington, UT

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Weather in September

The first month of the autumn, September, is still a pleasant month in Wellington, Utah, with an average temperature ranging between max 71.4°F (21.9°C) and min 49.8°F (9.9°C).

Temperature

In September, the average high-temperature marginally drops from a warm 79.3°F (26.3°C) in August to an agreeable 71.4°F (21.9°C). Wellington's temperature lowers to a mean of 49.8°F (9.9°C) during the nights in September.

Humidity

The average relative humidity in September is 40%.

Rainfall

September is the month with the least rainfall. Rain falls for 6.3 days and accumulates 0.47" (12mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:51 am and sunset at 7:53 pm. On the last day of September, sunrise is at 7:18 am and sunset at 7:06 pm MDT.

Sunshine

In September, the average sunshine in Wellington is 10.5h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Take precautions - Protection against sun damage is advised. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Wellington in September?

During September, Wellington experiences an average high-temperature of 71.4°F (21.9°C) and a low-temperature of 49.8°F (9.9°C).

What is the average humidity in September?

The average relative humidity in September is 40%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 6.3 days and accumulates 0.47" (12mm) of precipitation.

How much does it rain in September?

In Wellington, in September, during 6.3 rainfall days, 0.47" (12mm) of precipitation is typically accumulated.

When it does not snow in Wellington?

In Wellington, snow does not fall in June through September.

Does it snow in September?

In Wellington, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September?

The average day length in September is 12h and 26min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:51 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:06 pm MDT.

How many hours of sunshine does Wellington have in September?

The average sunshine duration in September is 10.5h.

What is the UV index reading in September?

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Wellington, UT

Average temperature in September - Wellington, 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
Wellington, UT

Average pressure in September - Wellington, 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
Wellington, UT

Average wind speed in September - Wellington, 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
Wellington, UT

Average humidity in September - Wellington, 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
Wellington, UT

Average rainfall in September - Wellington, 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
Wellington, UT

Average rainfall days in September - Wellington, 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
Wellington, UT

Average snowfall in September - Wellington, 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
Wellington, UT

Average snowfall days in September - Wellington, 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
Wellington, UT

Average daylight in September / Average sunshine in September - Wellington, UT
  • Average daylight in September: 12h and 2min

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 3min

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
Wellington, UT

Average sunshine days in September - Wellington, 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
Wellington, UT

Average UV index in September - Wellington, 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
Wellington, UT

Average cloud cover in September - Wellington, 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
Wellington, UT

Average visibility in September - Wellington, 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).

Wellington, Utah, USA

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