September weather forecast
East Hemet, CA

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Weather in September

September, the first month of the autumn in East Hemet, is also a moderately hot month, with an average temperature ranging between min 61°F (16.1°C) and max 85.5°F (29.7°C).

Temperature

The high-temperature average in September for East Hemet is a warm 85.5°F (29.7°C), staying closely aligned with August's conditions. During September, East Hemet's temperature records a considerable difference from its daily highs to an average low of 61°F (16.1°C).

Heat index

For most parts of September, the heat index is evaluated at a tropical 86°F (30°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In East Hemet, California, the average relative humidity in September is 44%.

Rainfall

In September, the rain falls for 2.9 days. Throughout September, 0.16" (4mm) of precipitation is accumulated. Throughout the year, there are 54 rainfall days, and 6.61" (168mm) of precipitation is accumulated.

Snowfall

In East Hemet, snow does not fall in January through November.

Daylight

In East Hemet, the average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 6:22 am and sunset at 7:12 pm. On the last day of September, sunrise is at 6:42 am and sunset at 6:32 pm PDT.

Sunshine

In September, the average sunshine is 10.5h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the maximum UV index of 5 translates into these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

How hot is September?

During September, East Hemet experiences an average high-temperature of 85.5°F (29.7°C) and a low-temperature of 61°F (16.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is evaluated at 86°F (30°C).

What is the average humidity in September?

The average relative humidity in September is 44%.

How many days does it rain in September?

In East Hemet, in September, it is raining for 2.9 days, with typically 0.16" (4mm) of accumulated precipitation.

When it does not snow?

January through November are months without snowfall.

How many hours of daylight does East Hemet have in September?

In September, the average day length is 12h and 22min.

When are sunrise and sunset in September in East Hemet?

In September, on the first day of the month, sunrise is at 6:22 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:32 pm PDT.

How many hours of sunshine does East Hemet have in September?

In East Hemet, the average sunshine duration in September is 10.5h.

How high is the UV index in September?

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
East Hemet, CA

Average temperature in September - East Hemet, CA
  • Average high temperature in September: 85.5°F

The warmest month (with the highest average high temperature) is August (90.5°F).
The month with the lowest average high temperature is December (58.6°F).

  • Average low temperature in September: 61°F

The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is December (41°F).

Average pressure in September
East Hemet, CA

Average pressure in September - East Hemet, CA
  • Average pressure in September: 29.86"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in September
East Hemet, CA

Average wind speed in September - East Hemet, CA
  • Average wind speed in September: 4.7mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is September (4.7mph).

Average humidity in September
East Hemet, CA

Average humidity in September - East Hemet, CA
  • Average humidity in September: 44%

The months with the highest relative humidity are February, March and May (56%).
The month with the lowest relative humidity is August (41%).

Average rainfall in September
East Hemet, CA

Average rainfall in September - East Hemet, CA
  • Average rainfall in September: 0.16"

The wettest month (with the highest rainfall) is February (1.38").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in September
East Hemet, CA

Average rainfall days in September - East Hemet, CA
  • Average rainfall days in September: 2.9 days

The month with the highest number of rainy days is March (7.4 days).
The month with the least rainy days is June (1.6 days).

Average snowfall in September
East Hemet, CA

Average snowfall in September - East Hemet, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in September
East Hemet, CA

Average snowfall days in September - East Hemet, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
East Hemet, CA

Average daylight in September / Average sunshine in September - East Hemet, CA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 10h and 3min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 42min).

Average sunshine days in September
East Hemet, CA

Average sunshine days in September - East Hemet, CA
  • Average sunshine days in September: 24.5 days

The month with the most sunshine days is October (27.4 days).
The month with the least sunshine days is February (20.9 days).

Average UV index in September
East Hemet, CA

Average UV index in September - East Hemet, CA
  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 3).

Average cloud cover in September
East Hemet, CA

Average cloud cover in September - East Hemet, CA
  • Average cloud cover in September: 8

The months with the most cloud cover are March and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 6).

Average visibility in September
East Hemet, CA

Average visibility in September - East Hemet, 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).

East Hemet, California, USA

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