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Kathmandu weather in September

Weather in Kathmandu: September

Average day temperature: 78.0°F
Average night temperature: 63.0°F
Number of sunny days: 9 days
Day length: 11.9 - 12.7 hours
Number of rainy days: 20 days
Precipitation totals: 14.3 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
14
28
42
56
70
84
98
112
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 85°F. At the same time the lowest night temperature was 61°F. Daily and nightly averages during September were 76.6°F and 65.2°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
13%
30%
57%

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

Precipitation total in September, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
4
8
12
16
20
24
28
32
2.8
21.2
26.0
16.6
6.6
3.1
1.0
1.0
2.8
16.9
21.2
26.0
16.6
6.6
3.1
1.0
1.0

Precipitation total value in Kathmandu in September is 16.9 in. It makes september one of the most rainy months of the year.

Wind speed in September, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.7
1.3
2.0
2.7
3.3
4.0
4.7
2.3
2.2
2.3
2.3
2.3
2.8
3.3
3.9
3.5
3.2
2.7
2.3
2.2
2.3
2.2
2.3
2.3
2.8
3.3
3.9
3.5
3.2
2.7

The average wind speed value in September is 2.2 mph It makes September one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.9
3.8
5.7
7.6
9.5
11.4
13.3
8.9
8.1
6.2
3.9
3.9
6.8
7.8
11.1
10.3
9.5
9.1
8.9
8.1
6.2
4.5
3.9
3.9
6.8
7.8
11.1
10.3
9.5
9.1

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: 4.5.

Best time for vacation in Kathmandu

Sunniest months:
December 28 days
January 26 days
March 26 days
Warmest months:
June 83.2 °F
May 83.2 °F
April 82.6 °F
Coldest months:
January 62.7 °F
December 64.8 °F
February 67.9 °F
Rainiest months:
July 29 days
August 26 days
June 22 days
Windiest months:
April 4.1 mph
March 3.8 mph
May 3.8 mph

Kathmandu on a weather map

Leaflet | Tiles © Esri
Places in Nepal:
Name
°F
+36°F
+41°F
+68°F
+81°F
+68°F
+72°F
+9°F
+73°F
24 Hours Forecast
Kathmandu
Local time: 06:30
April 09, wednesday
0900
73°F
N
2 mph
1200
77°F
N
4 mph
1500
75°F
NE
2 mph
1800
70°F
SW
4 mph
2100
64°F
S
1 mph
April 10, thursday
0000
64°F
S
2 mph
0300
63°F
SE
1 mph
0600
64°F
NW
2 mph
Units of measurement: °C / °F