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Sumy weather in September

Weather in Sumy: September

Average day temperature: 67.9°F
Average night temperature: 52.8°F
Number of sunny days: 16 days
Day length: 11.7 - 13.5 hours
Number of rainy days: 2 days
Precipitation totals: 1.0 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 90°F. At the same time the lowest night temperature was 49°F. Day and night temperature averages during September were 78.3°F and 58.5°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 Sumy in September is 0.8 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 8.1 mph It makes September one of the least windy months of the year.

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: 8.0.

Best time for vacation in Sumy

Sunniest months:
August 19 days
July 16 days
September 16 days
Warmest months:
August 79.8 °F
July 79.1 °F
June 74.7 °F
Coldest months:
January 25.9 °F
February 28.5 °F
December 30.9 °F
Rainiest months:
June 6 days
May 5 days
July 5 days
Windiest months:
December 9.3 mph
March 9.0 mph
January 9.0 mph

Sumy on a weather map

Sumy
+34°F
NE 11 mph
Feels like: +27°F
Precip.: 63%
Places in Ukraine:
Name
°F
+48°F
+46°F
+43°F
+45°F
+39°F
+34°F
+46°F
+43°F
+45°F
+45°F
+46°F
+43°F
+46°F
24 Hours Forecast
Sumy
Local time: 10:25
November 19, tuesday
1200
37°F
E
11 mph
1500
37°F
E
8 mph
1800
36°F
NE
6 mph
2100
32°F
N
7 mph
November 20, wednesday
0000
32°F
N
8 mph
0300
34°F
N
12 mph
0600
36°F
N
15 mph
0900
39°F
N
17 mph
Units of measurement: °C / °F