September weather forecast
Weldona, CO

Share

Weather in September

September, the first month of the autumn in Weldona, is still a warm month, with temperature in the range of an average high of 79.5°F (26.4°C) and an average low of 56.3°F (13.5°C).

Temperature

September brings a slight decrease in the average high-temperature, shifting from a hot 86.7°F (30.4°C) in August to a warm 79.5°F (26.4°C). In Weldona, the average temperature during the nights of September marks a significant drop from the daily high, settling at a mild 56.3°F (13.5°C).

Humidity

August and September, with an average relative humidity of 45%, are the least humid months.

Rainfall

In Weldona, during September, the rain falls for 8.5 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Weldona, during the entire year, the rain falls for 104 days and collects up to 12.09" (307mm) of precipitation.

Snowfall

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

Daylight

In Weldona, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:39 pm MDT.

Sunshine

In September, the average sunshine in Weldona is 10.6h.

UV index

In Weldona, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high daily UV index of 5 during September translates into the following directions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

Weldona in September has an average high-temperature of 79.5°F (26.4°C) and an average low-temperature of 56.3°F (13.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 87.8°F (31°C).

What are the least humid months?

August and September, with an average relative humidity of 45%, are the least humid months.

What is the average humidity in September?

In Weldona, the average relative humidity in September is 45%.

How many days does it rain in September?

In Weldona, during September, the rain falls for 8.5 days and regularly aggregates up to 0.71" (18mm) of precipitation.

When it does not snow in Weldona?

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

Does it snow in September?

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

What is the average length of the day in September?

In September, the average day length is 12h and 26min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:24 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:39 pm MDT.

How many hours of sunshine does Weldona have in September?

The average sunshine duration in September is 10.6h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe 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
Weldona, CO

Average temperature in September - Weldona, CO
  • Average high temperature in September: 79.5°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (38.7°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is December (22.5°F).

Average pressure in September
Weldona, CO

Average pressure in September - Weldona, CO
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in September
Weldona, CO

Average wind speed in September - Weldona, CO
  • Average wind speed in September: 8.5mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is December (7.8mph).

Average humidity in September
Weldona, CO

Average humidity in September - Weldona, CO
  • Average humidity in September: 45%

The month with the highest relative humidity is January (64%).
The months with the lowest relative humidity are August and September (45%).

Average rainfall in September
Weldona, CO

Average rainfall in September - Weldona, CO
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is May (2.2").
The driest months (with the least rainfall) are January and December (0.39").

Average rainfall days in September
Weldona, CO

Average rainfall days in September - Weldona, CO
  • Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is November (2.9 days).

Average snowfall in September
Weldona, CO

Average snowfall in September - Weldona, CO
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Weldona, CO

Average snowfall days in September - Weldona, CO
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (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
Weldona, CO

Average daylight in September / Average sunshine in September - Weldona, CO
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 10h and 4min

The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).

Average sunshine days in September
Weldona, CO

Average sunshine days in September - Weldona, CO
  • Average sunshine days in September: 18.6 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in September
Weldona, CO

Average UV index in September - Weldona, CO
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Weldona, CO

Average cloud cover in September - Weldona, CO
  • Average cloud cover in September: 17

The month with the most cloud cover is February (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in September
Weldona, CO

Average visibility in September - Weldona, CO
  • 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).

Weldona, Colorado, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location