World Resorts Indonesia Surabaya Weather

Surabaya weather in September

Weather in Surabaya: September

Average day temperature: 93.1°F
Average night temperature: 78.4°F
Sea water temperature: 83.7°F
Number of sunny days: 27 days
Day length: 12.0 - 12.2 hours
Number of rainy days: 1 day
Precipitation totals: 0.6 in.

Air temperature in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
16
32
48
64
80
96
112
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 94°F. At the same time the lowest night temperature was 76°F. Day and night temperature averages during September were 91.5°F and 78.9°F.

Sea water temperature in Surabaya in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
77
79
81
83
85
87
89
91

The average sea water temperature in September of 2024 was 84.6°F. The highest and lowest sea temperatures during the month were 86.2°F and 83.1°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
83%
17%

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

Precipitation total in September, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.4
2.9
4.3
5.7
7.2
8.6
10.0
6.3
3.6
1.7
1.2
1.8
4.5
7.0
8.3
7.3
6.3
3.6
1.7
1.2
1.8
4.5
7.0
8.3
7.3

Precipitation total value in Surabaya in September is 0.9 in. Other months of the year show relatively similar values.

Wind speed in September, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.1
2.2
3.4
4.5
5.6
6.7
7.9
5.3
4.7
5.7
6.4
5.8
5.3
5.1
4.6
5.1
6.6
6.5
5.3
4.7
5.7
6.5
6.4
5.8
5.3
5.1
4.6
5.1
6.6
6.5

The average wind speed value in September is 6.5 mph It makes September one of the most windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.6
3.2
4.8
6.4
8.0
9.6
11.2
5.9
6.1
8.4
9.2
8.7
7.0
7.0
5.8
5.4
5.1
5.6
5.9
6.1
8.4
9.3
9.2
8.7
7.0
7.0
5.8
5.4
5.1
5.6

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: 9.3.

Best time for vacation in Surabaya

Sunniest months:
August 27 days
September 27 days
July 25 days
Warmest months:
October 94.0 °F
September 93.1 °F
November 92.7 °F
Warmest sea temp:
November 86.7 °F
April 86.2 °F
December 85.9 °F
Coldest months:
February 88.2 °F
January 88.3 °F
March 89.6 °F
Rainiest months:
January 18 days
February 17 days
March 16 days
Windiest months:
January 6.9 mph
September 6.7 mph
August 6.6 mph

Surabaya on a weather map

Leaflet | Tiles © Esri
Places in Indonesia:
Name
°F
+82°F
+86°F
+82°F
+90°F
+82°F
+82°F
+82°F
+82°F
+82°F
+82°F
+82°F
+82°F
+82°F
+82°F
+82°F
24 Hours Forecast
Surabaya
Local time: 14:01
February 14, friday
1500
88°F
SE
9 mph
1800
82°F
SE
8 mph
2100
79°F
SE
6 mph
February 15, saturday
0000
77°F
SE
6 mph
0300
77°F
E
4 mph
0600
77°F
E
4 mph
0900
81°F
E
4 mph
1200
88°F
SE
7 mph
Units of measurement: °C / °F