World Resorts USA Riverside Weather

Riverside weather in September

Weather in Riverside: September

Average day temperature: 91.1°F
Average night temperature: 70.0°F
Number of sunny days: 28 days
Day length: 11.9 - 12.9 hours
Number of rainy days: 0 days
Precipitation totals: 0.1 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 109°F. At the same time the lowest night temperature was 56°F. Day and night temperature averages during September were 88.8°F and 69.0°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Riverside in September is 0.1 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 4.0 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 11.3.

Best time for vacation in Riverside

Sunniest months:
July 30 days
August 28 days
September 28 days
Warmest months:
July 95.3 °F
August 94.8 °F
September 91.1 °F
Coldest months:
January 60.3 °F
December 60.6 °F
February 62.6 °F
Rainiest months:
January 2 days
March 2 days
December 2 days
Windiest months:
May 4.9 mph
June 4.7 mph
April 4.6 mph

Riverside on a weather map

Riverside
+52°F
E 2 mph
Feels like: +52°F
Precip.: 0%
Places in USA:
Name
°F
+16°F
+25°F
+75°F
+75°F
+54°F
+54°F
+63°F
+21°F
+52°F
+54°F
+54°F
+50°F
+48°F
+46°F
+23°F
24 Hours Forecast
Riverside
Local time: 01:22
December 22, sunday
0300
50°F
W
1 mph
0600
50°F
W
1 mph
0900
54°F
NE
2 mph
1200
64°F
W
2 mph
1500
66°F
E
4 mph
1800
64°F
E
4 mph
2100
55°F
SE
1 mph
December 23, monday
0000
52°F
NW
1 mph
Units of measurement: °C / °F