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
September heralds a minor drop in average high-temperature, sliding from August's moderately hot 85.6°F (29.8°C) to a still warm 77.2°F (25.1°C). Wheatland registers a marked temperature plunge to a cool 54.5°F (12.5°C) during the cool September nights.Humidity
In Wheatland, the average relative humidity in September is 40%.Rainfall
In Wheatland, in September, it is raining for 7.5 days, with typically 0.55" (14mm) of accumulated precipitation. In Wheatland, during the entire year, the rain falls for 90.9 days and collects up to 11.38" (289mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, in Wheatland, there are 46.2 snowfall days, and 26.3" (668mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:32 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:42 pm MDT.
Sunshine
In Wheatland, the average sunshine in September is 10.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Wheatland in September?
What is the average humidity in September?
How much does it rain in September?
When does it start to snow?
How many hours of daylight does Wheatland have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Wheatland have in September?
How high is the UV index in September?
Average temperature in September
Wheatland, WY
- Average high temperature in September: 77.2°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is December (35.1°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (62.8°F).
The coldest months (with the lowest average low temperature) are February and December (21.6°F).
Average pressure in September
Wheatland, WY
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Wheatland, WY
- Average wind speed in September: 9.6mph
The windiest month (with the highest average wind speed) is January (15mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in September
Wheatland, WY
- Average humidity in September: 40%
The month with the highest relative humidity is February (66%).
The month with the lowest relative humidity is August (39%).
Average rainfall in September
Wheatland, WY
- Average rainfall in September: 0.55"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in September
Wheatland, WY
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in September
Wheatland, WY
- Average snowfall in September: 0.12"
The month with the highest snowfall is April (4.45").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Wheatland, WY
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Wheatland, WY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 10h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 6h and 36min).
Average sunshine days in September
Wheatland, WY
- Average sunshine days in September: 19.9 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is April (14.5 days).
Average UV index in September
Wheatland, WY
- Average UV index in September: 4
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
Wheatland, WY
- Average cloud cover in September: 16
The month with the most cloud cover is April (Cloud cover 31).
The months with the least cloud cover are August and September (Cloud cover 16).
Average visibility in September
Wheatland, WY
- 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).
Wheatland, Wyoming, USA
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