Ilam in september: average Weather, Temperature and Climate
Weather in Ilam in september 2025
The weather in Ilam in september comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
very bad weather
Weather at 6am
70°F
Moderate rain at times
41% of time
31%
16%
13%
Weather at 12pm
74°F
Moderate rain at times
52% of time
37%
9%
2%
Weather at 6pm
68°F
Moderate rain at times
58% of time
29%
9%
3%
Weather at 3am
65°F
38%
22%
19%
17%
Evolution of daily average temperature and precipitation in Ilam in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Ilam in september.
The climate of Ilam in september is very bad
The weather in september in Ilam is wet (with 23.5in of precipitation over 24 days). It should be noted a worsening from the previous month since in august there is an average of 34.4in of precipitation over 29 days.
The climate quite pleasant in this city this month. Temperatures are up to 76°F. The minimum is 68°F. Thus, the mean temperature average on this month of september in Ilam is 72°F. These temperatures are far removed from those records observed in Ilam in the month of september with a maximum record of 86°F in 2009 and a minimum record of 50°F in 2020.
In september in Ilam, the days on average last 12:19. The sun rises at 05:39 and sunset is at 17:58.
Ilam: another month?
If you can push back the dates of your trip, we advise you to go in october to Ilam. more information
September: another location in Nepal?
If you want to go to Nepal in september, there are destinations with better weather than Ilam:
In september, Biratnagar, Lumbini, Nepalganj and Rudrapur have good weather.
Finally, Annapurna, Pokhara, Dhangadhi, Dhankuta, Janakpur and Bandipur have a tolerable climate, but better than Ilam.
Seasonal average climate and temperature of Ilam in september
Check below seasonal norms These datas are set from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 72°F | ||||
| Highest temperature | 76°F | ||||
| Lowest temperature | 68°F | ||||
| Highest record temperature | 86°F (2009) | ||||
| Lowest record temperature | 50°F (2020) | ||||
| Number of days at +65°F | 29 day(s) (97%) | ||||
| Wind | |||||
| Wind speed | 10km/h | ||||
| Wind temperature | 68°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 23.5in | ||||
| Number of days with rainfall | 24 day(s) (79%) | ||||
| Record daily rainfall | 6.3in (2015) | ||||
| Other climate data | |||||
| Humidity | 88% | ||||
| Visibility | 8.34km | ||||
| Cloud cover | 44% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:39 | ||||
| Time of sunset | 17:58 | ||||
| Length of day | 12:19 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last september?
Here is the day by day recorded weather in Ilam in september 2024:
70°F to 72°F
74°F to 83°F
74°F to 81°F
72°F to 83°F
72°F to 77°F
72°F to 81°F
70°F to 83°F
72°F to 85°F
70°F to 77°F
67°F to 76°F
68°F to 77°F
67°F to 81°F
70°F to 79°F
68°F to 76°F
67°F to 72°F
68°F to 81°F
68°F to 81°F
70°F to 85°F
72°F to 88°F
70°F to 88°F
70°F to 90°F
72°F to 92°F
72°F to 90°F
74°F to 86°F
68°F to 76°F
65°F to 70°F
63°F to 68°F
61°F to 67°F
63°F to 76°F
67°F to 74°F
Map: other cities in Nepal in september
Cities near Ilam:
| Dhankuta in september | tolerable weather |
| Biratnagar in september | good weather |
| Makalu Barun National Park in september | very bad weather |
| Lukla in september | very bad weather |
| Everest in september | very bad weather |
| Janakpur in september | tolerable weather |
| Banepa in september | very bad weather |
| Nagarkot in september | very bad weather |
| Bhaktapur in september | very bad weather |
| Bodnath in september | bad weather |
| Kathmandu in september | very bad weather |
| Patan in september | very bad weather |
Click over cities on the map for information about the weather in september.
Ilam
perfect weather
good
tolerable
bad
very bad
Weather data for Ilam in september:
Weather data for Ilam for september are derived from an average of the weather forecast since 2009 in Ilam. There is a margin of error and these forecasts are to be considered as general information only. The weather in Ilam can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Ilam.