September weather forecastWinslow, AZ
September
Weather in September
September, the first month of the autumn in Winslow, is also a moderately hot month, with an average temperature fluctuating between 82°F (27.8°C) and 62.2°F (16.8°C).Temperature
September's arrival signals a moderate reduction in the average high-temperature, easing from a tropical 88.3°F (31.3°C) in August to a moderately hot 82°F (27.8°C). Nightly temperatures drop to an average low of 62.2°F (16.8°C) in September.Humidity
The average relative humidity in September in Winslow is 34%.Rainfall
In Winslow, in September, during 4.5 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. Throughout the year, there are 46.1 rainfall days, and 3.35" (85mm) of precipitation is accumulated.Snowfall
In Winslow, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 5:56 am and sunset at 6:48 pm. On the last day of September, sunrise is at 6:17 am and sunset at 6:07 pm MST.
Sunshine
The average sunshine in September is 10.2h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Fend off overexposure. Sun protection is vital. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Winslow, AZ
- Average high temperature in September: 82°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (47.7°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in September
Winslow, AZ
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).
Average wind speed in September
Winslow, AZ
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is January (6.2mph).
Average humidity in September
Winslow, AZ
- Average humidity in September: 34%
The month with the highest relative humidity is January (57%).
The month with the lowest relative humidity is June (18%).
Average rainfall in September
Winslow, AZ
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is October (0.55").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Winslow, AZ
- Average rainfall days in September: 4.5 days
The month with the highest number of rainy days is July (7.8 days).
The months with the least rainy days are June and November (2.5 days).
Average snowfall in September
Winslow, AZ
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Winslow, AZ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Winslow, AZ
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 10h and 12min
The month with the most sunshine is August (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
Winslow, AZ
- Average sunshine days in September: 23.1 days
The month with the most sunshine days is May (27.1 days).
The month with the least sunshine days is July (19.7 days).
Average UV index in September
Winslow, AZ
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are November and December (UV index 2).
Average cloud cover in September
Winslow, AZ
- Average cloud cover in September: 9
The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 8).
Average visibility in September
Winslow, AZ
- 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).
