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
The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a tropical 86.5°F (30.3°C) in August to a moderately hot 78.4°F (25.8°C). In September, the temperature in Meriden registers a significant dip to an average of 53.4°F (11.9°C) at night.Humidity
The months with the lowest humidity in Meriden are August and September, with an average relative humidity of 46%.Rainfall
In Meriden, Wyoming, in September, during 7.9 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, in Meriden, there are 104.8 rainfall days, and 13.35" (339mm) of precipitation is accumulated.Snowfall
Months with snowfall in Meriden are January through May, September through December. September is the first month it typically snows in Meriden. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. In Meriden, Wyoming, during the entire year, snow falls for 39 days and aggregates up to 17.17" (436mm) of snow.Daylight
In Meriden, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:29 pm. On the last day of September, in Meriden, sunrise is at 6:53 am and sunset at 6:40 pm MDT.
Sunshine
In September, the average sunshine in Meriden is 10.6h.UV index
The average daily maximum UV index in September in Meriden is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What are September temperatures in Meriden?
What is the least humid month in Meriden?
What is the average humidity in September in Meriden?
How many days does it rain in September in Meriden?
When does it start snowing in Meriden?
How many hours of daylight does Meriden have in September?
When are sunrise and sunset in September in Meriden?
How many hours of sunshine does Meriden have in September?
How high is the UV index in September in Meriden?
Average temperature in September
Meriden, WY
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in September
Meriden, WY
- Average pressure in September: 29.94"Hg
The months with the highest atmospheric pressure are January and December (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Meriden, WY
- Average wind speed in September: 9.5mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in September
Meriden, WY
- Average humidity in September: 46%
The month with the highest relative humidity is January (68%).
The months with the lowest relative humidity are August and September (46%).
Average rainfall in September
Meriden, WY
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in September
Meriden, WY
- Average rainfall days in September: 7.9 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is December (3.5 days).
Average snowfall in September
Meriden, WY
- Average snowfall in September: 0.08"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Meriden, WY
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Meriden, WY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 10h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in September
Meriden, WY
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in September
Meriden, 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
Meriden, WY
- Average cloud cover in September: 17
The months with the most cloud cover are February and April (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Meriden, 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).
Meriden, Wyoming, USA
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