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
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 73.9°F (23.3°C) to a refreshing 65.8°F (18.8°C). September witnesses an average nighttime temperature of 45.5°F (7.5°C).Humidity
The average relative humidity in September is 46%.Rainfall
In Meeteetse, Wyoming, in September, it is raining for 8.8 days, with typically 0.94" (24mm) of accumulated precipitation. In Meeteetse, during the entire year, the rain falls for 93.7 days and collects up to 12.05" (306mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.8 snowfall days, it receives 0.75" (19mm) of snow. In Meeteetse, during the entire year, snow falls for 55.8 days and aggregates up to 30.39" (772mm) of snow.Daylight
In Meeteetse, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:50 pm. On the last day of September, in Meeteetse, sunrise is at 7:12 am and sunset at 6:57 pm MDT.
Sunshine
The average sunshine in September is 10.4h.UV index
In Meeteetse, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When does it start snowing?
How many hours of daylight does Meeteetse have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Meeteetse have in September?
What is the UV index intensity in September?
Average temperature in September
Meeteetse, WY
- Average high temperature in September: 65.8°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is December (27.3°F).
- Average low temperature in September: 45.5°F
The month with the highest average low temperature is July (53.8°F).
The coldest month (with the lowest average low temperature) is December (11.8°F).
Average pressure in September
Meeteetse, WY
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Meeteetse, WY
- Average wind speed in September: 6.1mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Meeteetse, WY
- Average humidity in September: 46%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is July (43%).
Average rainfall in September
Meeteetse, WY
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is January (0.2").
Average rainfall days in September
Meeteetse, WY
- Average rainfall days in September: 8.8 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (1.6 days).
Average snowfall in September
Meeteetse, WY
- Average snowfall in September: 0.75"
The month with the highest snowfall is April (6.3").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Meeteetse, WY
- Average snowfall days in September: 0.8 days
The month with the highest number of snowfall days is April (9.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Meeteetse, WY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in September
Meeteetse, WY
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is January (25 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in September
Meeteetse, WY
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Meeteetse, WY
- Average cloud cover in September: 17
The month with the most cloud cover is April (Cloud cover 35).
The months with the least cloud cover are July and September (Cloud cover 17).
Average visibility in September
Meeteetse, 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).
Meeteetse, Wyoming, USA
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