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 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 is the month when Harmony sees the highest average temperatures, with a high of 75.4°F (24.1°C) and a low of 59.9°F (15.5°C).Humidity
In September, the average relative humidity is 62%.Rainfall
In Harmony, during September, the rain falls for 1.5 days and regularly aggregates up to 0.12" (3mm) of precipitation. Throughout the year, there are 46.6 rainfall days, and 6.73" (171mm) of precipitation is accumulated.Daylight
In Harmony, California, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:48 pm PDT.
Sunshine
The average sunshine in September is 11.4h.UV index
In September, the average daily maximum UV index in Harmony is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. When the Sun is at its strongest around midday, find shade and limit exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the hottest in Harmony?
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
What is the average length of the day in September?
What time are sunrise and sunset in September in Harmony?
How many hours of sunshine does Harmony have in September?
What is the UV index intensity in September?
Average temperature in September
Harmony, CA
- Average high temperature in September: 75.4°F
The warmest month (with the highest average high temperature) is September (75.4°F).
The month with the lowest average high temperature is December (59.4°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (47.8°F).
Average pressure in September
Harmony, CA
- Average pressure in September: 29.91"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.91"Hg).
Average wind speed in September
Harmony, CA
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is May (8.6mph).
The calmest months (with the lowest average wind speed) are July, August, September, October and November (6.5mph).
Average humidity in September
Harmony, CA
- Average humidity in September: 62%
The month with the highest relative humidity is March (71%).
The month with the lowest relative humidity is October (61%).
Average rainfall in September
Harmony, CA
- Average rainfall in September: 0.12"
The wettest months (with the highest rainfall) are March and December (1.3").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in September
Harmony, CA
- Average rainfall days in September: 1.5 days
The month with the highest number of rainy days is March (8.5 days).
The month with the least rainy days is August (0.8 days).
Average daylight in September /
Average sunshine in September
Harmony, CA
- Average daylight in September: 12h and 2min
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: 11h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Harmony, CA
- Average sunshine days in September: 27.7 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is February (21.2 days).
Average UV index in September
Harmony, CA
- Average UV index in September: 5
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in September
Harmony, CA
- Average cloud cover in September: 8
The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are July, August and September (Cloud cover 8).
Average visibility in September
Harmony, CA
- 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).
Harmony, California, USA
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