September weather forecast and climate
Waverly, CO

Weather in September

September, the first month of the autumn, in Waverly, is still a pleasant month, with average temperature varying between 72.3°F (22.4°C) and 45.5°F (7.5°C).

Temperature

In September, the average high-temperature marginally drops, from a warm 78.6°F (25.9°C) in August, to an agreeable 72.3°F (22.4°C). The average low-temperature, in September, is 45.5°F (7.5°C).

Humidity

The average relative humidity in September is 49%.

Rainfall

In Waverly, it is raining for 6.9 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, in Waverly, there are 79.9 rainfall days, and 7.13" (181mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Waverly, during the entire year, snow falls for 44.9 days, and aggregates up to 22.6" (574mm) of snow.

Daylight

The average length of the day in September is 12.4h.

Sunshine

In September, the average sunshine in Waverly is 11.3h.

UV index

In September, the average daily maximum UV index in Waverly is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 4 in September transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in September in Waverly?

In Waverly, Colorado, in September, the average high-temperature is 72.3°F (22.4°C), and the average low-temperature is 45.5°F (7.5°C).

What is the average humidity in September in Waverly?

In September, the average relative humidity is 49%.

How much does it rain in Waverly in September?

In September, in Waverly, the rain falls for 6.9 days. Throughout September, 0.51" (13mm) of precipitation is accumulated.

When does it start snowing in Waverly?

September is the first month it typically snows in Waverly, Colorado. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does Waverly have in September?

In September, the average length of the day in Waverly is 12.4h.

How long on average sun shines in September in Waverly?

In September, the average sunshine in Waverly is 11.3h.

What is the UV index intensity in September in Waverly?

In September, the average daily maximum UV index in Waverly is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in September
Waverly, CO

Average temperature in September - Waverly, CO
  • Average high temperature in September: 72.3°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in September: 45.5°F

The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (12°F).

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Average pressure in September
Waverly, CO

Average pressure in September - Waverly, CO
  • Average pressure in September: 30.05"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is April (29.91").

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Average wind speed in September
Waverly, CO

Average wind speed in September - Waverly, CO
  • Average wind speed in September: 4.9mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in September
Waverly, CO

Average humidity in September - Waverly, CO
  • Average humidity in September: 49%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is June (37%).

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Average rainfall in September
Waverly, CO

Average rainfall in September - Waverly, CO
  • Average rainfall in September: 0.51"

The wettest month (with the highest rainfall) is May (1.02").
The driest months (with the least rainfall) are November and December (0.39").

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Average rainfall days in September
Waverly, CO

Average rainfall days in September - Waverly, CO
  • Average rainfall days in September: 6.9 days

The month with the highest number of rainy days is July (10.1 days).
The month with the least rainy days is November (3 days).

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Average snowfall in September
Waverly, CO

Average snowfall in September - Waverly, CO
  • Average snowfall in September: 0.04"

The month with the highest snowfall is March (3.98").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Waverly, CO

Average snowfall days in September - Waverly, CO
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is February (9.3 days).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight in September /
Average sunshine in September
Waverly, CO

Average daylight in September / Average sunshine in September - Waverly, CO
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in September: 11.3h

The month with the most sunshine is June (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 6.8h).

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Average sunshine days in September
Waverly, CO

Average sunshine days in September - Waverly, CO
  • Average sunshine days in September: 18.4 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is April (16.9 days).

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Average UV index in September
Waverly, CO

Average UV index in September - Waverly, CO
  • Average UV index in September: 4

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in September
Waverly, CO

Average cloud cover in September - Waverly, CO
  • Average cloud cover in September: 12

The month with the most cloud cover is January (Cloud cover 25).
Months with the least cloud cover are June, September, October and November (Cloud cover 12).

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Average visibility in September
Waverly, CO

Average visibility in September - Waverly, CO
  • Average visibility in September: 6mi

Months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January and February (5mi).

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